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SN54AC245 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. SN54AC245
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54AC245 Datasheet(HTML) 1 Page - Texas Instruments

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SN54AC245, SN74AC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS461D – FEBRUARY 1995 – REVISED DECEMBER 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D EPICt (Enhanced-Performance Implanted
CMOS) 1-
mm Process
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK), and
Flatpacks (W), and Standard Plastic (N) and
Ceramic (J) DIPs
description
The ’AC245 octal bus transceivers are designed
for
asynchronous
two-way
communication
between
data
buses.
The
control-function
implementation
minimizes
external
timing
requirements.
When the output-enable (OE) is low, the device
passes noninverted data from the A bus to the B
bus or from the B bus to the A bus, depending on
the logic level at the direction control (DIR) input.
A high on OE disables the device so that the buses
are effectively isolated.
The SN54AC245 is characterized for operation
over the full military temperature range of – 55
°C
to 125
°C. The SN74AC245 is characterized for
operation from – 40
°C to 85°C.
FUNCTION TABLE
INPUTS
OPERATION
OE
DIR
OPERATION
L
L
H
L
H
X
B data to A bus
A data to B bus
Isolation
Copyright
© 1996, 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.
EPIC is a trademark of Texas Instruments Incorporated.
SN54AC245 ...J OR W PACKAGE
SN74AC245 . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
SN54AC245 . . . FK PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.


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