SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
D
Members of the Texas Instruments
Widebus
D
State-of-the-Art Advanced BiCMOS
Family
Technology (ABT) Design for 3.3-V
Operation and Low Static-Power
Dissipation
D
Support Mixed-Mode Signal Operation (5-V
Input and Output Voltages With 3.3-V V
D
Support Unregulated Battery Operation
Down to 2.7 V
D
UBT
(Universal Bus Transceiver)
Combines D-Type Latches and D-Type
Flip-Flops for Operation in Transparent,
Latched, or Clocked Mode
D
Typical V
< 0.8 V at V
D
I
off
and Power-Up 3-State Support Hot
(Output Ground Bounce)
OLP
= 3.3 V, TA = 25°C
CC
Insertion
D
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
D
Distributed VCC and GND Pin Configuration
Minimizes High-Speed Switching Noise
D
Flow-Through Architecture Optimizes PCB
Layout
D
Latch-Up Performance Exceeds 500 mA Per
JESD 17
D
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D
Package Options Include Plastic Shrink
Small-Outline (DL) and Thin Shrink
Small-Outline (DGG) Packages and 380-mil
Fine-Pitch Ceramic Flat (WD) Package
Using 25-mil Center-to-Center Spacings
CC
SN54LVTH16501.. . WD PACKAGE
SN74LVTH16501... DGG OR DL PACKAGE
OEAB
LEAB
)
OEBA
LEBA
A1
GND
A2
A3
V
CC
A4
A5
A6
GND
A7
A8
A9
A10
A1 1
A12
GND
A13
A14
A15
V
CC
A16
A17
GND
A18
(TOP VIEW)
1
56
2
55
3
54
4
53
5
52
6
51
7
50
8
49
9
48
10
47
11
46
12
45
13
44
14
43
15
42
16
41
17
40
18
39
19
38
20
37
21
36
22
35
23
34
24
33
25
32
26
31
27
30
28
29
GND
CLKAB
B1
GND
B2
B3
V
CC
B4
B5
B6
GND
B7
B8
B9
B10
B1 1
B12
GND
B13
B14
B15
V
CC
B16
B17
GND
B18
CLKBA
GND
description
The ’L VTH16501 devices are 18-bit universal bus transceivers designed for low-voltage (3.3-V) VCC operation,
but with the capability to provide a TTL interface to a 5-V system environment.
Data flow in each direction is controlled by output-enable (OEAB and OEBA
and clock (CLKAB and CLKBA) inputs. For A-to-B data flow, the devices operate in the transparent mode when
LEAB is high. When LEAB is low , the A data is latched if CLKAB is held at a high or low logic level. If LEAB is
low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. When OEAB is high, the
outputs are active. When OEAB is low, the outputs are in the high-impedance state.
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.
Widebus and UBT are trademarks of Texas Instruments Incorporated.
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
parameters.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
), latch-enable (LEAB and LEBA),
Copyright 1999, Texas Instruments Incorporated
1
SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
description (continued)
Data flow for B to A is similar to that of A to B but uses OEBA, LEBA, and CLKBA. The output enables are
complementary (OEAB is active high and OEBA
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
is active low).
When V
However, to ensure the high-impedance state above 1.5 V, OE
is between 0 and 1.5 V , the devices are in the high-impedance state during power up or power down.
CC
should be tied to VCC through a pullup resistor
and OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by
the current-sinking/current-sourcing capability of the driver.
These devices are fully specified for hot-insertion applications using I
and power-up 3-state. The I
off
circuitry
off
disables the outputs, preventing damaging current backflow through the devices when they are powered down.
The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
The SN54L VTH16501 is characterized for operation over the full military temperature range of –55°C to 125°C.
The SN74LVTH16501 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
INPUTS
OEAB LEAB CLKAB A
L X X X Z
H HX LL
HHX HH
HL= LL
HL↑ HH
H LH XB
HLL XB
†
A-to-B data flow is shown: B-to-A flow is similar but
uses OEBA
‡
Output level before the indicated steady-state input
conditions were established, provided that CLKAB
was high before LEAB went low
§
Output level before the indicated steady-state input
conditions were established
, LEBA, and CLKBA.
†
OUTPUT
B
‡
0
§
0
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
logic symbol
†
OEAB
CLKAB
LEAB
OEBA
CLKBA
LEBA
1
55
2
27
30
28
3
A1 B1
5
A2
6
A3
8
A4
9
A5
10
A6
12
A7
13
A8
14
A9
15
A10
16
A11
17
A12
19
A13
20
A14
21
A15
23
A16
24
A17
26
A18
EN1
C3
G2
EN4
C6
G5
3D
4
2C3
5C6
11
1
6D
54
52
51
49
48
47
45
44
43
42
41
40
38
37
36
34
33
31
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
3
SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
logic diagram (positive logic)
OEAB
CLKAB
LEAB
LEBA
CLKBA
OEBA
A1
1
55
2
28
30
27
3
CLK
1D
C1
1D
C1
CLK
54
B1
To 17 Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
Input voltage range, V
Voltage range applied to any output in the high-impedance
or power-off state, V
Voltage range applied to any output in the high state, V
Current into any output in the low state, I
Current into any output in the high state, I
Input clamp current, I
Output clamp current, I
Package thermal impedance, θ
Storage temperature range, T
†
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.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current flows only when the output is in the high state and VO > VCC.
3. The package thermal impedance is calculated in accordance with JESD 51.
–0.5 V to 4.6 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CC
(see Note 1) –0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I
(see Note 1) –0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
: SN54LVTH16501 96 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
(see Note 1) –0.5 V to VCC + 0.5 V. . . . . . . . . . . . .
O
SN74LVTH16501 128 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 2): SN54LVTH16501 48 mA. . . . . . . . . . . . . . . . . . . . .
O
SN74LVTH16501 64 mA. . . . . . . . . . . . . . . . . . . . .
(V
< 0) –50 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IK
I
(V
< 0) –50 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OK
O
(see Note 3): DGG package 81°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
JA
DL package 74°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
†
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
UNIT
SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
recommended operating conditions (see Note 4)
SN54LVTH16501 SN74LVTH16501
MIN MAX MIN MAX
V
CC
V
IH
V
IL
V
I
I
OH
I
OL
∆t/∆v Input transition rise or fall rate Outputs enabled 10 10 ns/V
∆t/∆V
T
A
NOTE 4: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Supply voltage 2.7 3.6 2.7 3.6 V
High-level input voltage 2 2 V
Low-level input voltage 0.8 0.8 V
Input voltage 5.5 5.5 V
High-level output current –24 –32 mA
Low-level output current 48 64 mA
Power-up ramp rate 200 200 µs/V
CC
Operating free-air temperature –55 125 –40 85 °C
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
5
SN54LVTH16501, SN74LVTH16501
PARAMETER
TEST CONDITIONS
UNIT
V
V
V
V
V
V
V
V
V
V
Control inputs
‡
V
3 V
()
V
CC
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54LVTH16501 SN74LVTH16501
MIN TYP†MAX MIN TYP†MAX
V
IK
OH
OL
I
I
A or B ports
I
off
I
I(hold)
I
OZPU
I
OZPD
I
CC
∆I
C
i
C
io
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
†
All typical values are at VCC = 3.3 V, TA = 25°C.
‡
Unused pins at VCC or GND
§
This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
¶
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
CC
A or B ports
¶
VCC = 2.7 V, II = –18 mA –1.2 –1.2 V
VCC = 2.7 V to 3.6 V, IOH = –100 µA VCC–0.2 VCC–0.2
VCC = 2.7 V, IOH = –8 mA 2.4 2.4
= 3
CC
= 2.7
CC
= 3
CC
VCC = 3.6 V, VI = VCC or GND ±1 ±1
p
VCC = 0 or 3.6 V, VI = 5.5 V 10 10
VCC = 3.6 V
VCC = 0, VI or VO = 0 to 4.5 V ±100 µA
=
CC
VCC = 3.6 V§, VI = 0 to 3.6 V ±500
VCC = 0 to 1.5 V, VO = 0.5 V to 3 V,
OE
/OE = don’t care
VCC = 1.5 V to 0, VO = 0.5 V to 3 V,
OE
/OE = don’t care
=
= 3.6 V,
IO = 0,
VI = VCC or GND
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V,
Other inputs at VCC or GND
VI = 3 V or 0 4 4 pF
VO = 3 V or 0 10 10 pF
IOH = –24 mA 2
IOH = –32 mA 2
IOL = 100 µA 0.2 0.2
IOL = 24 mA 0.5 0.5
IOL = 16 mA 0.4 0.4
IOL = 32 mA 0.5 0.5
IOL = 48 mA 0.55
IOL = 64 mA 0.55
VI = 5.5 V 20 20
VI = V
CC
VI = 0 –5 –5
VI = 0.8 V 75 75
VI = 2 V –75 –75
Outputs high 0.19 0.19
Outputs low 5 5
Outputs disabled 0.19 0.19
1 1
±100* ±100 µA
±100* ±100 µA
0.2 0.2 mA
µA
µA
mA
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
twPulse duration
ns
tsuSet
A
LE↓
thHold time
ns
B
A
A or B
ns
LEBA
LEAB
A or B
ns
A or B
ns
OEBA
OEAB
A or B
ns
OEBA
OEAB
A or B
ns
SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 1)
SN54LVTH16501 SN74LVTH16501
f
clock
VCC = 3.3 V
± 0.3 V
MIN MAX MIN MAX MIN MAX MIN MAX
Clock frequency 150 150 150 150 MHz
LE high 3.3 3.3 3.3 3.3
CLK high or low 3.3 3.3 3.3 3.3
A before CLKAB↑ 2.3 2.6 2.1 2.4
up time
B before CLKBA↑ 2.3 2.6 2.1 2.4
or B before
A or B after CLK↑ 1.1 0 1 0
A or B after LE↓
CLK high
CLK low
2.6 1.8 2.4 1.6
1.6 0.7 1.4 0.5
1.8 1.8 1.7 1.7
VCC = 2.7 V
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
SN54LVTH16501 SN74LVTH16501
PARAMETER
f
max
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
†
All typical values are at VCC = 3.3 V, TA = 25°C.
FROM
(INPUT)
or
or
CLKBA or
CLKAB
or
or
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
MIN MAX MIN MAX MIN TYP†MAX MIN MAX
150 150 150 150 MHz
1.2 3.9 4.3 1.3 2.7 3.7 4
1.2 3.9 4.3 1.3 2.4 3.7 4
1.4 5.5 5.9 1.5 3.4 5.1 5.7
1.4 5.5 5.9 1.5 3.5 5.1 5.7
1.2 5.4 6 1.3 3.5 5.1 5.7
1.2 5.4 6 1.3 3.4 5.1 5.7
1.2 5.1 5.8 1.3 3.4 4.8 5.5
1.2 5.1 5.8 1.3 3.4 4.8 5.5
1.6 6.1 6.6 1.7 4.2 5.8 6.3
1.6 6.1 6.6 1.7 3.8 5.8 6.3
VCC = 2.7 V
VCC = 3.3 V
± 0.3 V
VCC = 3.3 V
± 0.3 V
VCC = 2.7 V
VCC = 2.7 V
UNIT
ns
UNIT
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
7
SN54LVTH16501, SN74LVTH16501
3.3-V ABT 18-BIT UNIVERSAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS700D – JULY 1997 – REVISED APRIL 1999
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
Input
Input
Output
Output
INVERTING AND NONINVERTING OUTPUTS
500 Ω
500 Ω
LOAD CIRCUIT
t
w
1.5 V 1.5 V
VOLTAGE WAVEFORMS
PULSE DURATION
1.5 V 1.5 V
t
PLH
1.5 V 1.5 V
t
PHL
1.5 V 1.5 V
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
S1
t
PHL
t
PLH
6 V
Open
GND
2.7 V
0 V
V
V
V
V
2.7 V
0 V
OH
OL
OH
OL
Timing Input
Data Input
Output
Control
Output
Waveform 1
S1 at 6 V
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
TEST S1
t
PLH/tPHL
t
PLZ/tPZL
t
PHZ/tPZH
t
su
1.5 V 1.5 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
1.5 V 1.5 V
t
PZL
t
PZH
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
1.5 V
1.5 V
Open
6 V
GND
1.5 V
t
h
t
PLZ
VOL + 0.3 V
t
PHZ
VOH – 0.3 V
2.7 V
0 V
2.7 V
0 V
2.7 V
0 V
3 V
V
OL
V
OH
≈ 0 V
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf≤ 2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
IMPORTANT NOTICE
T exas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue
any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty . Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERT AIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER
CRITICAL APPLICA TIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERST OOD TO
BE FULLY AT THE CUSTOMER’S RISK.
In order to minimize risks associated with the customer’s applications, adequate design and operating
safeguards must be provided by the customer to minimize inherent or procedural hazards.
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other
intellectual property right of TI covering or relating to any combination, machine, or process in which such
semiconductor products or services might be or are used. TI’s publication of information regarding any third
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
Copyright 1999, Texas Instruments Incorporated
Loading...