The 74ABT162245A high-performance BiCMOS device combines
low static and dynamic power dissipation with high speed.
The 74ABT162245A device is a 16-bit transceiver featuring
non-inverting 3-State bus compatible outputs in both send and
receive directions. The control function implementation minimizes
external timing requirements. The device features two Output
Enable (1OE
(1DIR, 2DIR) inputs for direction control.
The 74ABT162245A is designed with 30 ohm series resistance in
both the upper and lower output structures on both A and B ports.
This design reduces line noise in applications such as memory
address drivers, clock drivers, and bus receiver/transmitters.
The 74ABT162245A is the same as the 74ABT16245A-1. The part
number has been changed to reflect industry standards
Two options are available, 74ABT162245A which does not have the
bus hold feature and the 74ABTH162245A which incorporates the
bus hold feature.
CONDITIONS
T
= 25°C; GND = 0V
amb
CC
, 2OE) inputs for easy cascading and two Direction
TYPICALUNIT
2.0
3.0
3pF
ns
ORDERING INFORMATION
PACKAGESTEMPERATURE RANGE OUTSIDE NORTH AMERICANORTH AMERICADWG NUMBER
48-Pin Plastic SSOP Type III–40°C to +85°C74ABT162245A DLBT162245A DLSOT370-1
48-Pin Plastic TSSOP Type II–40°C to +85°C74ABT162245A DGGBT162245A DGGSOT362-1
48-Pin Plastic SSOP Type III–40°C to +85°C74ABTH162245A DLBH162245A DLSOT370-1
48-Pin Plastic TSSOP Type II–40°C to +85°C74ABTH162245A DGGBH162245A DGGSOT362-1
1998 Feb 25853-1772 19018
2
Page 3
Philips SemiconductorsProduct specification
16-bit bus transceiver with 30Ω series
termination resistors (3-State)
PIN CONFIGURATION
1
1DIR
2
1B0
3
1B1
GND
4
5
1B2
6
1B3
7
V
CC
8
1B4
1B5
9
GND
10
1B6
11
1B7
12
2B0
13
2B1
14
GND
15
16
2B2
2B3
17
18
V
CC
2B4
19
20
2B5
21
GND
22
2B6
23
2B7
24
2DIR
PIN DESCRIPTION
SYMBOLPIN NUMBERNAME AND FUNCTION
1DIR, 2DIR1, 24
47, 46, 44, 43
1A0 – 1A7,
2A0 – 2A7
1B0 – 1B7
2B0 – 2B7
1OE, 2OE48, 25Output enables
GND
V
CC
41, 40, 38, 37
36, 35, 33, 32
30, 29, 27, 26
2, 3, 5, 6
8, 9, 11, 12
13, 14, 16, 17
19, 20, 22, 23
4, 10, 15, 21
28, 34, 39, 45
7, 18, 31, 42Positive supply voltage
48
1OE
47
1A0
46
1A1
GND
45
44
1A2
43
1A3
42
V
CC
41
1A4
1A5
40
GND
39
1A6
38
1A7
37
2A0
36
2A1
35
GND
34
33
2A2
2A3
32
31
V
CC
2A4
30
29
2A5
28
GND
27
2A6
26
2A7
25
2OE
SA00020
Direction control inputs
(Active-High)
Data inputs/outputs (A side)
Data inputs/outputs (B side)
Ground (0V)
74ABT162245A
74ABTH162245A
LOGIC SYMBOL
1
1DIR
48
1OE
47
1A0
46
1A1
44
1A2
43
1A3
41
1A4
40
1A5
38
1A6
3712
1A7
2
1B0
3
1B1
5
1B2
6
1B3
8
1B4
9
1B5
11
1B6
1B7
FUNCTION TABLE
INPUTSINPUTS/OUTPUTS
nOEnDIRnAxnBx
LLA = BInputs
LHInputsB = A
HXZZ
H = HIGH voltage level
L = LOW voltage level
X = D0n’t care
Z = High impedance “off” state
24
2DIR
36
2A0
35
2A1
33
2A2
32
2A3
30
2A4
29
2A5
27
2A6
2623
2A7
25
2OE
13
2B0
14
2B1
16
2B2
17
2B3
19
2B4
20
2B5
22
2B6
2B7
SA00021
1998 Feb 25
3
Page 4
Philips SemiconductorsProduct specification
16-bit bus transceiver with 30Ω series
termination resistors (3-State)
LOGIC SYMBOL (IEEE/IEC)
48
1
25
24
47
46
445
436
418
409
3811
3712
36
35
3316
3217
3019
2920
2722
2623
G3
3 EN1 (BA)
3 EN2 (AB)
G6
6 EN4 (BA)
6 EN5 (AB)
∇ 1
∇ 4
2
2 ∇
3
13
5 ∇
14
SA00022
74ABT162245A
74ABTH162245A
SCHEMATIC OF EACH OUTPUT
V
CC
GND
27Ω
OUTPUT
27Ω
SA00042
1998 Feb 25
4
Page 5
Philips SemiconductorsProduct specification
I
DC output current
mA
SYMBOL
PARAMETER
UNIT
16-bit bus transceiver with 30Ω series
termination resistors (3-State)
ABSOLUTE MAXIMUM RATINGS
SYMBOL
V
CC
I
IK
V
I
OK
V
OUT
OUT
T
stg
NOTES:
1. Stresses beyond those listed 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 performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
DC supply voltage–0.5 to +7.0V
DC input diode currentVI < 0–18mA
DC input voltage
I
DC output diode currentVO < 0–50mA
DC output voltage
High-level output voltageVCC = 5.0V; IOH = –3mA; VI = VIL or V
OH
VCC = 4.5V; IOH = –32mA; VI = VIL or V
Low-level output voltageVCC = 4.5V; IOL = 8mA; VI = VIL or V
OL
Low-level output voltageVCC = 4.5V; IOL = 12mA; VI = VIL or V
I
Input leakage currentVCC = 5.5V; VI = GND or 5.5V
I
IH
IH
IH
IH
IH
Control
pins
2.52.92.5V
3.03.43.0V
2.02.42.0V
0.460.650.65V
0.500.800.80V
±0.01±1.0±1.0µA
VCC = 4.5V; VI = 0.8V5050
I
HOLD
A and B inputs
4
VCC = 5.5V; VI = 2.0V–75–75
VCC = 5.5V; VI = 0 to 5.5V±500
I
IPU/I
IIH+I
IIL+I
I
I
I
I
OFF
CEX
I
O
CCH
CCL
CCZ
Power-off leakage currentVCC = 0.0V; VO or V
Power-up/down 3-State
PD
output current
3-State output High currentVCC = 5.5V; VO = 5.5V; VI = VIL or V
OZH
3-State output Low currentVCC = 5.5V; VO = 0.0V; VI = VIL or V
OZL
3
VCC = 2.0V; VO = 0.5V; VI = GND or V
VOE = Don’t care
Output high leakage currentVCC = 5.5V; VO = 5.5V; VI = GND or V
Output current
1
VCC = 5.5V; VO = 2.5V–50–92–180–50–180mA
VCC = 5.5V; Outputs High, VI = GND or V
Quiescent supply currentVCC = 5.5V; Outputs Low, VI = GND or V
VCC = 5.5V; Outputs 3-State;
VI = GND or V
Outputs enabled, one data input at 3.4V ,
other inputs at VCC or GND; VCC = 5.5V
≤ 4.5V±5.0±100±100µA
I
CC;
IH
IH
CC
CC
CC
CC
±5.0±50±50µA
0.51010µA
–0.5–10–10µA
5.05050µA
0.30.700.70mA
101919mA
0.30.700.70mA
400700700µA
Outputs 3-State, one data input at 3.4V , other
inputs at VCC or GND; VCC = 5.5V
1.05050µA
74ABT162245A
∆I
CC
input pin
pp
2
p
Outputs 3-State, one data input at 3.4V , other
inputs at VCC or GND; VCC = 5.5V
100250250µA
74ABTH162245A
Control pins, outputs disabled, one enable
input at 3.4V, other inputs at VCC or GND;
400700700µA
VCC = 5.5V
NOTES:
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
2. This is the increase in supply current for each input at 3.4V .
3. This parameter is valid for any VCC between 0V and 2.1V , with a transition time of up to 10msec. From VCC = 2.1V to VCC = 5 ±10% a
transition time of up to 100 µsec is permitted.
4. This is the bus hold overdrive current required to force the input to the opposite logic state.
amb
to +85°C
UNIT
µA
1998 Feb 25
6
Page 7
Philips SemiconductorsProduct specification
16-bit bus transceiver with 30Ω series
termination resistors (3-State)
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOLPARAMETERWAVEFORM
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
INPUT
OUTPUT
Propagation delay
nAx to nBx or nBx to nAx
Output enable time
to High and Low level
Output disable time
from High and Low level
1.5V
t
PLH
1.5V1.5V
1.5V
t
PHL
SA00028
Waveform 1. Input to Output Propagation Delays
1
2
2
3 V
0 V
V
V
74ABT162245A
74ABTH162245A
LIMITS
T
= +25°C
amb
VCC = +5.0V
MinTypMaxMinMax
1.0
1.5
1.5
2.0
1.7
1.5
nOE INPUT
OH
OL
OUTPUT
OUTPUT
2.0
3.0
3.1
5.0
3.5
3.2
3.3
4.5
4.3
6.1
4.8
4.5
V
M
t
PZL
t
PZH
T
= –40°C to +85°C
amb
VCC = +5.0V ±0.5V
1.0
1.5
1.5
2.0
1.7
1.5
V
M
V
M
UNIT
3.5
4.9
5.0
7.0
5.4
4.9
V
M
t
PLZ
t
PHZ
ns
ns
ns
3.5V
VOL + 0.3V
V
OL
V
OH
– 0.3V
V
OH
0V
SA00024
1998 Feb 25
Waveform 2. 3-State Output Enable and Disable Times
7
Page 8
Philips SemiconductorsProduct specification
16-bit bus transceiver with 30Ω series
termination resistors (3-State)
TEST CIRCUIT AND WAVEFORMS
V
CC
R
OUT
L
R
L
of
PULSE
GENERATOR
V
IN
R
D.U.T.
T
V
OUT
C
L
Test Circuit for 3-State Outputs
SWITCH POSITION
TESTSWITCH
t
PLZ
t
PZL
closed
closed
All otheropen
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value.
C
= Load capacitance includes jig and probe capacitance;
L
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to Z
pulse generators.
74ABT162245A
74ABTH162245A
t
90%
7.0V
NEGATIVE
PULSE
POSITIVE
PULSE
10%
V
M
10%10%
t
THL
t
TLH
90%90%
V
M
Input Pulse Definition
INPUT PULSE REQUIREMENTS
FAMILY
AmplitudeRep. Ratet
74ABT/H163.0V1MHz500ns 2.5ns2.5ns
W
(tF)
(tR)t
t
W
90%
V
M
t
TLH
THL
V
M
10%
VM = 1.5V
t
W
R
AMP (V)
0V
(tR)
(tF)
AMP (V)
0V
t
F
SA00018
1998 Feb 25
8
Page 9
Philips SemiconductorsProduct specification
16-Bit bus transceiver with 30Ω series termination
resistors (3-State)
SSOP48: plastic shrink small outline package; 48 leads; body width 7.5 mmSOT370-1
74ABT162245A
74ABTH162245A
1998 Feb 25
9
Page 10
Philips SemiconductorsProduct specification
16-Bit bus transceiver with 30Ω series termination
resistors (3-State)
TSSOP48: plastic thin shrink small outline package; 48 leads; body width 6.1mmSOT362-1
74ABT162245A
74ABTH162245A
1998 Feb 25
10
Page 11
Philips SemiconductorsProduct specification
16-Bit bus transceiver with 30Ω series termination
resistors (3-State)
NOTES
74ABT162245A
74ABTH162245A
1998 Feb 25
11
Page 12
Philips SemiconductorsProduct specification
16-Bit bus transceiver with 30Ω series termination
resistors (3-State)
Data sheet status
Data sheet
status
Objective
specification
Preliminary
specification
Product
specification
Product
status
Development
Qualification
Production
Definition
This data sheet contains the design target or goal specifications for product development.
Specification may change in any manner without notice.
This data sheet contains preliminary data, and supplementary data will be published at a later date.
Philips Semiconductors reserves the right to make chages at any time without notice in order to
improve design and supply the best possible product.
This data sheet contains final specifications. Philips Semiconductors reserves the right to make
changes at any time without notice in order to improve design and supply the best possible product.
[1]
74ABT162245A
74ABTH162245A
[1] Please consult the most recently issued datasheet before initiating or completing a design.
Definitions
Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook.
Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or
at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended
periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips
Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or
modification.
Disclaimers
Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury . Philips Semiconductors customers using or selling these products for use in such applications
do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard
cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no
responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless
otherwise specified.
Philips Semiconductors
811 East Arques Avenue
P.O. Box 3409
Sunnyvale, California 94088–3409
Telephone 800-234-7381
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
print codeDate of release: 05-96
Document order number:9397-750-03487
yyyy mmm dd
12
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