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74ABT2952N

Octal registered transceiver 3-State



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74ABT2952N pdf
INTEGRATED CIRCUITS
74ABT2952
Octal registered transceiver (3-State)
Product specification
Supersedes data of 1995 Jun 15
IC23 Data Handbook
1998 Feb 11
Philips
Semiconductors



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74ABT2952N pdf
Philips Semiconductors
Octal registered transceiver (3-State)
Product specification
74ABT2952
FEATURES
8-bit registered transceiver
Independent registers for A and B buses
Output capability: +64mA/–32mA
Latch-up protection exceeds 500mA per JEDEC Std 17
ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
Power-up 3-State
Power-up reset
Live insertion/extraction permitted
DESCRIPTION
The 74ABT2952 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT2952 device is an 8-bit registered transceiver. Two 8-bit
back-to-back registers store data flowing in both directions between
two bidirectional buses. Data applied to the inputs is entered and
stored on the rising edge of the Clock (CPXX) provided that the
Clock Enable (CEXX) is Low. The data is then present at the 3-State
output buffers, but is only accessible when the Output Enable
(OEXX) is Low. Data flow from A inputs to B outputs is the same as
for B inputs to A outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
CIN
CI/O
ICCZ
Propagation delay
CPBA to An or
CPAB to Bn
Input capacitance
I/O capacitance
Total supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
VI = 0V or VCC
Outputs disabled; VO = 0V or VCC
Outputs disabled; VCC =5.5V
TYPICAL
5.7
4
7
110
UNIT
ns
pF
pF
µA
ORDERING INFORMATION
PACKAGES
24-Pin Plastic DIP
24-Pin plastic SO
24-Pin Plastic SSOP Type II
24-Pin Plastic TSSOP Type I
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
–40°C to +85°C
74ABT2952 N
–40°C to +85°C
74ABT2952 D
–40°C to +85°C
74ABT2952 DB
–40°C to +85°C
74ABT2952 PW
NORTH AMERICA
74ABT2952 N
74ABT2952 D
74ABT2952 DB
7ABT2952PW DH
DWG NUMBER
SOT222-1
SOT137-1
SOT340-1
SOT355-1
PIN CONFIGURATION
B7 1
B6 2
B5 3
B4 4
B3 5
B2 6
B1 7
B0 8
OEAB 9
CPAB 10
CEAB 11
GND 12
24 VCC
23 A7
22 A6
21 A5
20 A4
19 A3
18 A2
17 A1
16 A0
15 OEBA
14 CPBA
13 CEBA
SA00114
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
NAME AND FUNCTION
10, 14
CPAB /
CPBA
Clock input A to B / Clock input B to A
11, 13
CEAB / Clock enable input A to B / Clock
CEBA enable input B to A
16, 17, 18,
19, 20, 21,
22, 23
A0 – A7 Data inputs/outputs (A side)
1, 2, 3, 4, 5,
6, 7, 8
B0 – B7
Data outputs/outputs (B side)
9, 15
OEAB /
OEBA
Output enable inputs
12 GND Ground (0V)
24 VCC Positive supply voltage
1998 Feb 11
2 853-1554 18949



Part Number 74ABT2952N
Description Octal registered transceiver 3-State
Maker NXP - NXP
Total Page 12 Pages
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