Important notice
Dear Customer,
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Philips Semiconductors
Product specification
16-bit bus transceiver with 30Ω series
termination resistors (3-State)
74ABT162245A
74ABTH162245A
FEATURES
•
16-bit bidirectional bus interface
•
Power-up 3-State
•
Multiple V
CC
and GND pins minimize switching noise
•
3-State buffers
•
Output capability: +12mA/–32mA
•
Latch-up protection exceeds 500mA
per
JEDEC Std 17
•
ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
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, 2OE) inputs for easy cascading and two Direction
(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
amb
= 25°C; GND = 0V
•
Same part as 74ABT16245A-1
•
74ABTH162245A incorporates bus hold data inputs which
eliminate the need for external pull-up resistors to hold unused
inputs
•
Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
QUICK REFERENCE DATA
SYMBOL
t
PLH
t
PHL
C
IN
C
I/O
I
CCZ
I
CCL
PARAMETER
Propagation delay
nAx to nBx or nBx to nAx
Input capacitance
I/O pin capacitance
Quiescent su ly current
supply
TYPICAL
2.0
3.0
3
7
300
10
UNIT
ns
pF
pF
nA
mA
C
L
= 50pF; V
CC
= 5V
V
I
= 0V or V
CC
V
O
= 0V or V
CC
; 3-State
Outputs disabled; V
CC
= 5.5V
Outputs Low; V
CC
= 5.5V
ORDERING INFORMATION
PACKAGES
48-Pin Plastic SSOP Type III
48-Pin Plastic TSSOP Type II
48-Pin Plastic SSOP Type III
48-Pin Plastic TSSOP Type II
TEMPERATURE RANGE
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
OUTSIDE NORTH AMERICA
74ABT162245A DL
74ABT162245A DGG
74ABTH162245A DL
74ABTH162245A DGG
NORTH AMERICA
BT162245A DL
BT162245A DGG
BH162245A DL
BH162245A DGG
DWG NUMBER
SOT370-1
SOT362-1
SOT370-1
SOT362-1
1998 Feb 25
2
853-1772 19018
Analog electronics
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