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TXB0108GXYR
Schematic [ru]
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ROHM TXB0108GXYR, TXB0108PWR, TXB0108RGYR, TXB0108ZXYR Schematic [ru]

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GXY OR ZXY PACKAGE
(BOTTOM VIEW)
A
B
C
D
21 3 4 5
8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

FEATURES

• 1.2 V to 3.6 V on A Port and 1.65 to 5.5 V on • ESD Protection Exceeds JESD 22
B Port (V
• V
Isolation Feature – If Either V
CC
GND, All Outputs Are in the High-Impedance State
• OE Input Circuit Referenced to V
• Low Power Consumption, 4- µ A Max I
• I
Supports Partial-Power-Down Mode
off
Operation
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
≤ V
CCA
)
CCB
Input Is at
CC
– A Port
– 2000-V Human-Body Model (A114-B) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101)
CCA
CC
– B Port
– ± 15-kV Human-Body Model (A114-B) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101)
TERMINAL ASSIGNMENTS
(20-Ball GXY/ZXY Package)
1 2 3 4 5
D V C B1 B3 B5 B7 GND B A1 A3 A5 A7 OE A V
CCB
CCA
B2 B4 B6 B8
A2 A4 A6 A8
TXB0108

DESCRIPTION/ORDERING INFORMATION

This 8-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to track V accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes. V
When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. The TXB0101 is desinged so that the OE input circuit is supplied by V
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
. V
CCA
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track V
CCA
CCA
.
CCA
Copyright © 2006–2007, Texas Instruments Incorporated
should not exceed V
. V
CCB
CCB
.
CCB
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TXB0108 8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

DESCRIPTION/ORDERING INFORMATION (CONTINUED)

This device is fully specified for partial-power-down applications using I preventing damaging current backflow through the device when it is powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.
ORDERING INFORMATION
T
A
PACKAGE
QFN – RGY Reel of 1000 TXB0108RGYR YE08
–40 ° C to 85 ° C
TSSOP – PW Reel of 2000 TXB0108PWR YE08 VFBGA – GXY Reel of 2500 TXB0108GXYR YE08 VFBGA – ZXY (Pb-free) Reel of 2500 TXB0108ZXYR YE08
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
(1)
ORDERABLE PART NUMBER TOP-SIDE MARKING
PIN DESCRIPTION
NO. NAME FUNCTION
1 A1 Input/output 1. Referenced to V 2 V
CCA
3 A2 Input/output 2. Referenced to V 4 A3 Input/output 3. Referenced to V 5 A4 Input/output 4. Referenced to V 6 A5 Input/output 5. Referenced to V 7 A6 Input/output 6. Referenced to V 8 A7 Input/output 7. Referenced to V
9 A8 Input/output 8. Referenced to V 10 OE 11 GND Ground
12 B8 Input/output 8. Referenced to V 13 B7 Input/output 7. Referenced to V 14 B6 Input/output 6. Referenced to V 15 B5 Input/output 5. Referenced to V 16 B4 Input/output 4. Referenced to V 17 B3 Input/output 3. Referenced to V 18 B2 Input/output 2. Referenced to V 19 V
CCB
20 B1 Input/output 1. Referenced to V
A-port supply voltage. 1.1 V ≤ V
Output enable. Pull OE low to place all outputs in 3-state mode. Referenced to V
.
CCA
B-port supply voltage. 1.65 V ≤ V
CCA
CCA CCA CCA CCA CCA CCA CCA
CCB CCB CCB CCB CCB CCB CCB
CCB
CCA
CCB
off
.
≤ 3.6 V, V . . . . . . .
. . . . . . .
≤ 5.5 V.
.
. The I
circuitry disables the outputs,
off
≤ V
CCA
CCB
.
2
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OE
A1 A2
A3 A4 A5 A6 A7 A8
B1 B2
B3 B4 B5 B6 B7 B8
3.3-V
System
1.8 -V
System
Data
Data
Controller
1.8 V
3.3 V
TXB0108
V
CCA
V
CCB
8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

TYPICAL OPERATING CIRCUIT

TXB0108

Absolute Maximum Ratings

(1)
over operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
V
Supply voltage range –0.5 4.6 V
CCA
V
Supply voltage range –0.5 6.5 V
CCB
V
Input voltage range
I
V
Voltage range applied to any output in the high-impedance or power-off state
O
V
Voltage range applied to any output in the high or low state
O
I
Input clamp current VI< 0 –50 mA
IK
I
Output clamp current VO< 0 –50 mA
OK
I
Continuous output current ± 50 mA
O
Continuous current through V
θ
Package thermal impedance PW package
JA
T
stg
Storage temperature range –65 150 ° C
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) The input and output negative-voltage ratings may be exceeded if the input and output current ratings are observed. (3) The value of V (4) The package thermal impedance is calculated in accordance with JESD 51-7. (5) The package thermal impedance is calculated in accordance with JESD 51-5.
CCA
and V
(2)
, V
CCA
are provided in the recommended operating conditions table.
CCB
, or GND ± 100 mA
CCB
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–0.5 6.5 V
(2)
(2) (3)
A inputs –0.5 V B inputs –0.5 V
GXY/ZXY package
RGY package
(4)
(4)
(5)
–0.5 6.5 V
+ 0.5
CCA
+ 0.5
CCB
V
78 83 ° C/W 37
3
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TXB0108 8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

Recommended Operating Conditions

V
CCA
Supply voltage V
V
CCB
V
High-level input voltage 1.2 V to 3.6 V 1.65 V to 5.5 V V
IH
V
Low-level input voltage 1.65 V to 5.5 V V
IL
Input transition
∆ t/ ∆ v 1.65 V to 3.6 V 40 ns/V
rise or fall rate
T
Operating free-air temperature –40 85 ° C
A
(1) The A and B sides of an unused data I/O pair must be held in the same state, i.e., both at V (2) V (3) V
must be less than or equal to V
CCA
is the supply voltage associated with the input port.
CCI
Data inputs V OE V Data inputs 1.2 V to 5.5 V 0 V OE 1.2 V to 3.6 V 0 V A-port inputs 1.2 V to 3.6 V 1.65 V to 5.5 V 40
B-port inputs 1.2 V to 3.6 V
and must not exceed 3.6 V.
CCB
(1) (2)
V
CCA
V
CCB
MIN MAX UNIT
1.2 3.6
1.65 5.5
(3)
x 0.65
CCI
x 0.65 5.5
CCA
x 0.35
CCI
CCA
4.5 V to 5.5 V 30
or both at GND.
CCI
V
CCI
(3)
x 0.35
4
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8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION

Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER V
V
V
V V I
I
I
I
I
I
I
I
C
C
(1) V (2) V
OHA
OLA
OHB OLB
OE 1.2 V to 3.6 V 1.65 V to 5.5 V ± 1 ± 2 µ A
I
A port 0 V 0 V to 5.5 V ± 1 ± 2
off
B port 0 V to 3.6 V 0 V ± 1 ± 2 A or B port OE = GND 1.2 V to 3.6 V 1.65 V to 5.5 V ± 1 ± 2 µ A
OZ
CCA
CCB
+ I
CCA
CCB
CCZA
CCZB
OE 1.2 V to 3.6 V 1.65 V to 5.5 V 5 5.5 pF
I
A port 5 6.5
io
B port 8 10
is the supply voltage associated with the input port.
CCI
is the supply voltage associated with the output port.
CCO
IOH= –20 µ A V
IOL= 20 µ A V
IOH= –20 µ A 1.65 V to 5.5 V V IOL= 20 µ A 1.65 V to 5.5 V 0.4 V
VI= V IO= 0
VI= V IO= 0
VI= V IO= 0
VI= V IO= 0, 1.65 V to 5.5 V µ A OE = GND
VI= V IO= 0, 1.65 V to 5.5 V µ A OE = GND
(1) (2)
TEST
CONDITIONS
CCA
V
1.2 V 1.1
1.4 V to 3.6 V V
1.2 V 0.9
1.4 V to 3.6 V 0.4
1.2 V 0.06
or GND,
CCI
1.4 V to 3.6 V 5
1.65 V to 5.5 V
3.6 V 0 V 2 0 V 5.5 V –2
1.2 V 3.4
or GND,
CCI
1.4 V to 3.6 V 5
1.65 V to 5.5 V
3.6 V 0 V –2 0 V 5.5 V 2
or GND,
CCI
or GND, 1.2 V 0.05
CCI
1.2 V 3.5
1.4 V to 3.6 V 10
1.65 V to 5.5 V µ A
1.4 V to 3.6 V 5
or GND, 1.2 V 3.3
CCI
1.4 V to 3.6 V 5
1.2 V to 3.6 V 1.65 V to 5.5 V pF
TXB0108
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007
CCB
MIN TYP MAX MIN MAX
– 0.4
CCA
– 0.4 V
CCB
TA= 25 ° C –40 ° C to 85 ° C
UNIT
µ A
µ A
µ A

Timing Requirements

TA= 25 ° C, V
t
w
Data rate 20 20 20 20 Mbps Pulse duration Data inputs 50 50 50 50 ns
= 1.2 V
CCA

Timing Requirements

over recommended operating free-air temperature range, V
Data rate 50 50 50 50 Mbps
t
Pulse duration Data inputs 20 20 20 20 ns
w
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V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V V
TYP TYP TYP TYP
= 1.5 V ± 0.1 V (unless otherwise noted)
CCA
V
= 1.8 V V
CCB
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
CCB
= 2.5 V V
CCB
= 3.3 V V
MIN MAX MIN MAX MIN MAX MIN MAX
= 5 V
CCB
= 5 V
CCB
UNIT
UNIT
5
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TXB0108 8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

Timing Requirements

over recommended operating free-air temperature range, V
Data rate 52 60 60 60 Mbps
t
Pulse duration Data inputs 19 17 17 17 ns
w

Timing Requirements

over recommended operating free-air temperature range, V
Data rate 70 100 100 Mbps
t
Pulse duration Data inputs 14 10 10 ns
w

Timing Requirements

over recommended operating free-air temperature range, V
Data rate 100 100 Mbps
t
w
Pulse duration Data inputs 10 10 ns
= 1.8 V ± 0.15 V (unless otherwise noted)
CCA
V
= 1.8 V V
CCB
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
CCB
= 2.5 V V
CCB
= 3.3 V V
MIN MAX MIN MAX MIN MAX MIN MAX
= 2.5 V ± 0.2 V (unless otherwise noted)
CCA
V
= 2.5 V V
CCB
± 0.2 V ± 0.3 V ± 0.5 V
= 3.3 V V
CCB
MIN MAX MIN MAX MIN MAX
= 3.3 V ± 0.3 V (unless otherwise noted)
CCA
V
= 3.3 V V
CCB
± 0.3 V ± 0.5 V
CCB
MIN MAX MIN MAX
= 5 V
CCB
UNIT
= 5 V
CCB
UNIT
= 5 V
UNIT

Switching Characteristics

TA= 25 ° C, V
PARAMETER UNIT
t
pd
t
en
t
dis
trA, t trB, t
t
SK(O)
Max data rate 20 20 20 20 Mbps
= 1.2 V
CCA
V
FROM TO
(INPUT) (OUTPUT)
= 1.8 V V
CCB
TYP TYP TYP TYP
CCB
= 2.5 V V
CCB
= 3.3 V V
CCB
A B 9.5 7.9 7.6 8.5 B A 9.2 8.8 8.4 8
OE µ s
OE ns
fA fB
A-port rise and fall times 4.1 4.4 4.1 3.9 ns B-port rise and fall times 5 5 5.1 5.1 ns
A 1 1 1 1 B 1 1 1 1 A 20 17 17 18 B 20 16 15 15
Channel-to-channel skew 2.4 1.7 1.9 7 ns
= 5 V
ns
6
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8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

Switching Characteristics

over recommended operating free-air temperature range, V
PARAMETER UNIT
t
pd
t
en
t
dis
trA, t
fA
trB, t
fB
t
SK(O)
Max data rate 50 50 50 50 Mbps
FROM TO
(INPUT) (OUTPUT)
A B 1.4 12.9 1.2 10.1 1.1 10 0.8 9.9 B A 0.9 14.2 0.7 12 0.4 11.7 0.3 13.7
OE µ s
OE ns
A 1 1 1 1 B 1 1 1 1 A 6.6 33 6.4 25.3 6.1 23.1 5.9 24.6
B 6.6 35.6 5.8 25.6 5.5 22.1 5.6 20.6 A-port rise and fall times 0.8 6.5 0.8 6.3 0.8 6.3 0.8 6.3 ns B-port rise and fall times 1 7.3 0.7 4.9 0.7 4.6 0.6 4.6 ns
Channel-to-channel skew 2.6 1.9 1.6 1.3 ns

Switching Characteristics

over recommended operating free-air temperature range, V
PARAMETER UNIT
t
pd
t
en
t
dis
trA, t
fA
trB, t
fB
t
SK(O)
Max data rate 52 60 60 60 Mbps
FROM TO
(INPUT) (OUTPUT)
A B 1.6 11 1.4 7.7 1.3 6.8 1.2 6.5 B A 1.5 12 1.2 8.4 0.8 7.6 0.5 7.1
OE µ s
OE ns
A 1 1 1 1
B 1 1 1 1
A 5.9 26.7 5.6 21.6 5.4 18.9 4.8 18.7
B 6.1 33.9 5.2 23.7 5 19.9 5 17.6 A-port rise and fall times 0.7 5.1 0.7 5 1 5 0.7 5 ns B-port rise and fall times 1 7.3 0.7 5 0.7 3.9 0.6 3.8 ns
Channel-to-channel skew 0.8 0.7 0.6 0.6 ns
= 1.5 V ± 0.1 V (unless otherwise noted)
CCA
V
= 1.8 V V
CCB
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
CCB
= 2.5 V V
CCB
= 3.3 V V
MIN MAX MIN MAX MIN MAX MIN MAX
= 1.8 V ± 0.15 V (unless otherwise noted)
CCA
V
= 1.8 V V
CCB
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
CCB
= 2.5 V V
CCB
= 3.3 V V
MIN MAX MIN MAX MIN MAX MIN MAX
CCB
CCB
TXB0108
= 5 V
ns
= 5 V
ns
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TXB0108 8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

Switching Characteristics

over recommended operating free-air temperature range, V
PARAMETER UNIT
t
pd
t
en
t
dis
trA, t
fA
trB, t
fB
t
SK(O)
Max data rate 70 100 100 Mbps
FROM TO
(INPUT) (OUTPUT)
A B 1.1 6.4 1 5.3 0.9 4.7 B A 1 7 0.6 5.6 0.3 4.4
OE µ s
OE ns
A 1 1 1 B 1 1 1 A 5 16.9 4.9 15 4.5 13.8
B 4.8 21.8 4.5 17.9 4.4 15.2 A-port rise and fall times 0.8 3.6 0.6 3.6 0.5 3.5 ns B-port rise and fall times 0.6 4.9 0.7 3.9 0.6 3.2 ns
Channel-to-channel skew 0.4 0.3 0.3 ns

Switching Characteristics

over recommended operating free-air temperature range, V
PARAMETER UNIT
t
pd
t
en
t
dis
trA, t
fA
trB, t
fB
t
SK(O)
Max data rate 100 100 Mbps
FROM TO
(INPUT) (OUTPUT)
A B 0.9 4.9 0.8 4 B A 0.5 5.4 0.2 4
OE µ s
OE ns
A-port rise and fall times 0.5 3 0.5 3 ns B-port rise and fall times 0.7 3.9 0.6 3.2 ns
Channel-to-channel skew 0.4 0.3 ns
= 2.5 V ± 0.2 V (unless otherwise noted)
CCA
V
= 2.5 V V
CCB
± 0.2 V ± 0.3 V ± 0.5 V
= 3.3 V V
CCB
CCB
MIN MAX MIN MAX MIN MAX
= 3.3 V ± 0.3 V (unless otherwise noted)
CCA
V
= 3.3 V V
CCB
± 0.3 V ± 0.5 V
CCB
MIN MAX MIN MAX
A 1 1 B 1 1 A 4.5 13.9 4.1 12.4 B 4.1 17.3 4 14.4
= 5 V
ns
= 5 V
ns
8
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8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

Operating Characteristics

TA= 25 ° C
V
CCA
1.2 V 1.2 V 1.5 V 1.8 V 2.5 V 2.5 V 3.3 V V
PARAMETER TEST CONDITIONS UNIT
5 V 1.8 V 1.8 V 1.8 V 2.5 V 5 V to
TYP TYP TYP TYP TYP TYP TYP
A-port input, B-port output 9 8 7 7 7 7 8
C
pdA
B-port input, A-port output 12 11 11 11 11 11 11 A-port input, B-port output 35 26 27 27 27 27 28
C
pdB
B-port input, A-port output 26 19 18 18 18 20 21 A-port input, B-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.01
C
pdA
B-port input, A-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.01 A-port input, B-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.03
C
pdB
B-port input, A-port output 0.01 0.01 0.01 0.01 0.01 0.01 0.03
CL= 0, f = 10 MHz,
tr= tf= 1 ns,
OE = V
(outputs enabled)
CL= 0, f = 10 MHz,
tr= tf= 1 ns,
OE = GND
(outputs disabled)
CCA
CCB
TXB0108
3.3 V 5 V
pF
pF
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4k
4k
A B
V
CCA
V
CCB
One
Shot
One
Shot
One
Shot
One
Shot
T1
T2
T3
T4
TXB0108 8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

PRINCIPLES OF OPERATION

Applications

The TXB0108 can be used in level-translation applications for interfacing devices or systems operating at different interface voltages with one another.

Architecture

The TXB0108 architecture (see Figure 1 ) does not require a direction-control signal to control the direction of data flow from A to B or from B to A. In a dc state, the output drivers of the TXB0108 can maintain a high or low, but are designed to be weak, so that they can be overdriven by an external driver when data on the bus starts flowing the opposite direction.
The output one shots detect rising or falling edges on the A or B ports. During a rising edge, the one shot turns on the PMOS transistors (T1, T3) for a short duration, which speeds up the low-to-high transition. Similarly, during a falling edge, the one shot turns on the NMOS transistors (T2, T4) for a short duration, which speeds up the high-to-low transition. The typical output impedance during output transition is 70 Ω at V 50 Ω at V
= 1.8 V to 3.3 V and 40 Ω at V
CCO
= 3.3 V to 5 V.
CCO
= 1.2 V to 1.8 V,
CCO
Figure 1. Architecture of TXB0108 I/O Cell

Input Driver Requirements

Typical IINvs V
characteristics of the TXB0108 are shown in Figure 2 . For proper operation, the device driving
IN
the data I/Os of the TXB0108 must have drive strength of at least ± 2 mA.
10
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I
IN
V
IN
VT/4 kW
–(V
D
– V
T
)/4 kW
A. VT is the input threshold voltage of the TXB0108 (typically V
CCI
/2).
B. VD is the supply voltage of the external driver.
8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007
PRINCIPLES OF OPERATION (continued)
TXB0108
Figure 2. Typical IINvs V
Curve
IN

Power Up

During operation, ensure that V damage the device, so any power supply can be ramped up first. The TXB0108 has circuitry that disables all output ports when either V
is switched off (V
CC
≤ V
CCA
at all times. During power-up sequencing, V
CCB
= 0 V).
CCA/B
CCA

Enable and Disable

The TXB0108 has an OE input that is used to disable the device by setting OE = low, which places all I/Os in the high-impedance (Hi-Z) state. The disable time (t when the outputs actually get disabled (Hi-Z). The enable time (ten) indicates the amount of time the user must allow for the one-shot circuitry to become operational after OE is taken high.

Pullup or Pulldown Resistors on I/O Lines

The TXB0108 is designed to drive capacitive loads of up to 70 pF. The output drivers of the TXB0108 have low dc drive strength. If pullup or pulldown resistors are connected externally to the data I/Os, their values must be kept higher than 50 k Ω to ensure that they do not contend with the output drivers of the TXB0108.
For the same reason, the TXB0108 should not be used in applications such as I2C or 1-Wire where an open-drain driver is connected on the bidirectional data I/O. For these applications, use a device from the TI TXS01xx series of level translators.
) indicates the delay between when OE goes low and
dis
≥ V
does not
CCB
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From Output
Under Test
LOAD CIRCUIT FOR
ENABLE/DISABLE
TIME MEASUREMENT
S1
2 × V
CCO
Open
50 kW
V
CCI
0 V
V
CCI
/2 V
CCI
/2
t
w
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
PULSE DURATION
Input
t
PZL/tPLZ
t
PHZ/tPZH
2 × V
CCO
Open
TEST S1
A. CL includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRRv10 MHz, ZO = 50 Ω, dv/dt ≥ 1 V/ns. C. The outputs are measured one at a time, with one transition per measurement. D. t
PLH
and t
PHL
are the same as tpd.
E. V
CCI
is the VCC associated with the input port.
F. V
CCO
is the VCC associated with the output port.
G. All parameters and waveforms are not applicable to all devices.
50 kW
From Output
Under Test
1 MW
15 pF
15 pF
LOAD CIRCUIT FOR MAX DATA RATE,
PULSE DURATION PROPAGATION
DELAY OUTPUT RISE AND FALL TIME
MEASUREMENT
t
PLH
t
PHL
0 V
V
CCO
/2
V
CCI
/2 V
CCI
/2
0.9 y V
CCO
V
CCO
/2
t
r
0.1 y V
CCO
t
f
V
CCI
Input
Output
V
OH
V
OL
TXB0108 8-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTO-DIRECTION SENSING AND ± 15-kV ESD PROTECTION
SCES643A – NOVEMBER 2006 – REVISED JANUARY 2007

PARAMETER MEASUREMENT INFORMATION

Figure 3. Load Circuits and Voltage Waveforms
12
Submit Documentation Feedback
PACKAGE OPTION ADDENDUM
www.ti.com
25-Sep-2007
PACKAGING INFORMATION
Orderable Device Status
(1)
Package
Type
Package Drawing
Pins Package
Qty
Eco Plan
TXB0108PWR ACTIVE TSSOP PW 20 2000 Green (RoHS &
no Sb/Br)
TXB0108PWRG4 ACTIVE TSSOP PW 20 2000 Green (RoHS &
no Sb/Br)
TXB0108RGYR ACTIVE QFN RGY 20 1000 Green (RoHS &
no Sb/Br)
TXB0108RGYRG4 ACTIVE QFN RGY 20 1000 Green (RoHS &
no Sb/Br)
TXB0108ZXYR ACTIVE BGA MI
CROSTA
ZXY 20 2500 Green (RoHS &
no Sb/Br)
R JUNI
OR
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device.
(2)
Lead/Ball Finish MSL Peak Temp
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-1-260C-UNLIM
CU NIPDAU Level-2-260C-1 YEAR
CU NIPDAU Level-2-260C-1 YEAR
SNAGCU Level-1-260C-UNLIM
(3)
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
TAPE AND REEL BOX INFORMATION
21-Feb-2008
Device Package Pins Site Reel
Diameter
(mm)
TXB0108PWR PW 20 SITE 41 330 16 7.0 7.0 2.0 8 16 Q1
TXB0108RGYR RGY 20 SITE 41 180 12 4.0 5.0 2.0 8 12 Q1
TXB0108ZXYR ZXY 20 SITE 60 330 12 3.0 3.0 1.0 4 12 Q2
Reel
Width
(mm)
A0 (mm) B0 (mm) K0 (mm) P1
(mm)W(mm)
Pin1
Quadrant
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
21-Feb-2008
Device Package Pins Site Length (mm) Width (mm) Height (mm)
TXB0108PWR PW 20 SITE 41 346.0 346.0 33.0
TXB0108RGYR RGY 20 SITE 41 191.0 213.0 32.0
TXB0108ZXYR ZXY 20 SITE 60 343.0 338.0 21.0
Pack Materials-Page 2
MECHANICAL DATA
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999
PW (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE
14 PINS SHOWN
0,65
1,20 MAX
14
0,30
0,19
8
4,50 4,30
PINS **
7
Seating Plane
0,15 0,05
8
1
A
DIM
14
0,10
6,60 6,20
M
0,10
0,15 NOM
0°–8°
2016
Gage Plane
24
0,25
0,75 0,50
28
A MAX
A MIN
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice. C. Body dimensions do not include mold flash or protrusion not to exceed 0,15. D. Falls within JEDEC MO-153
3,10
2,90
5,10
4,90
5,10
4,90
6,60
6,40
7,90
7,70
9,80
9,60
4040064/F 01/97
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