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54ACT11470 Datasheet(PDF) 1 Page - Texas Instruments

Part # 54ACT11470
Description  8-BIT REGISTERED BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

54ACT11470 Datasheet(HTML) 1 Page - Texas Instruments

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54ACT11470, 74ACT11470
8BIT REGISTERED BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCAS207 − D4016, APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
Copyright
1993, Texas Instruments Incorporated
2−1
Inputs Are TTL-Voltage Compatible
Flow-Through Architecture Optimizes
PCB Layout
Center-Pin V
CC and GND Configuration
Minimizes High-Speed Switching Noise
EPIC  (Enhanced-Performance Implanted
CMOS) 1-
µm Process
500-mA Typical Latch-Up Immunity
at 125
°C
Package Options Include Plastic Small-
Outline Packages, Ceramic Chip Carriers,
and Standard Ceramic 300-mil DIPs
description
The
′ACT11470 is an 8-bit registered bus
transceiver that contains two sets of D-type
flip-flops for temporary storage of data flowing in
either direction. Separate clock (CLKAB or
CLKBA) and output-enable (OEAB or OEBA)
inputs are provided for each register to permit
independent control in either direction of data flow.
The A-to-B enable (CEAB) input must be low in
order to enter data from A or to output data to B.
If both CEAB and CLKAB are low, then the B port
presents the level of the A port prior to the most
recent low-to-high transition of CLKAB. Data flow
from B to A is similar, but requires the use of
CEBA, CLKBA, and OEBA inputs.
To avoid false clocking of the flip-flops, CEAB and
CEBA should not be switched from low to high
while CLK is low.
The 54ACT11470 is characterized for operation
over the full military temperature range of − 55
°C
to 125
°C. The 74ACT11470 is characterized for
operation from − 40
°C to 85°C.
FUNCTION TABLE†
INPUTS
OUTPUT
CEAB
CLKAB
OEAB
A
OUTPUT
B
H
X
X
X
Z
X
XH
XZ
L
LL
X
B0‡
L
LL
L
L
L
H
H
† A-to-B data flow is shown: B-to-A flow is similar but
uses CEBA, CLKBA, and OEBA.
‡ Output level before the indicated steady-state input
conditions were established.
EPIC is a trademark of Texas Instruments Incorporated.
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CEBA
A1
A2
A3
A4
GND
GND
GND
GND
A5
A6
A7
A8
CEAB
OEBA
CLKBA
B1
B2
B3
B4
VCC
VCC
B5
B6
B7
B8
CLKAB
OEAB
54ACT11470 . . . JT PACKAGE
74ACT11470 . . . DW PACKAGE
(TOP VIEW)
32 1
13 14
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B7
B8
CLKAB
OEAB
CEAB
A8
A7
B1
CLKBA
OEBA
CEBA
A1
A2
A3
4
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54AC11470 . . . FK PACKAGE
(TOP VIEW)
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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.


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