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74ACT11623D Datasheet(PDF) 1 Page - Texas Instruments

No. de Pieza. 74ACT11623D
Descripción  OCTAL TRANSCEIVER WITH DUAL ENABLE
Descarga  11 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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74ACT11623D Datasheet(HTML) 1 Page - Texas Instruments

 
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74ACT11623
OCTAL BUS TRANSCEIVER
WITH 3STATE OUTPUTS
SCAS059A − D2957, JULY 1987 − REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Copyright
1993, Texas Instruments Incorporated
2−1
Local Bus-Latch Capability
Inputs Are TTL-Voltage Compatible
Flow-Through Architecture Optimizes
PCB Layout
Center-Pin V
CC and GND Configurations
Minimize High-Speed Switching Noise
EPICt (Enhanced-Performance Implanted
CMOS) 1-
mm Process
500-mA Typical Latch-Up Immunity
at 125
°C
Package Options Include Plastic Small-
Outline Packages and Standard Plastic
300-mil DIPs
description
The 74ACT11623 is designed for asynchronous two-way communication between data buses. The control
function implementation allows for maximum flexibility in timing.
The device allows data transmission from the A bus to the B bus or from the B bus to the A bus depending upon
the logic levels at the enable inputs (GBA and GAB). The enable inputs can be used to disable the device so
that the buses are effectively isolated.
The dual-enable configuration gives these devices the capability to store data by simultaneous enabling of GBA
and GAB. Each output reinforces its input in this transceiver configuration. Thus, when both control inputs are
enabled and all other data sources to the two sets of bus lines are at high impedance, both sets of bus lines (16
in all) will remain at their last states. The 8-bit codes appearing on the two sets of buses will be identical for the
74ACT11623.
The 74ACT11623 is characterized for operation from − 40
°C to 85°C.
GBA
L
H
H
GAB
L
H
L
B data to A bus
A data to B bus
Isolation
B data to A bus,
A data to B bus
OPERATION
ENABLE INPUTS
LH
FUNCTION TABLE
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
A1
A2
A3
A4
GND
GND
GND
GND
A5
A6
A7
A8
GAB
B1
B2
B3
B4
VCC
VCC
B5
B6
B7
B8
GBA
DW OR NT PACKAGE
(TOP VIEW)
EPIC is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is 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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