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SN54HCT125 Datasheet(PDF) 1 Page - Texas Instruments

Part No. SN54HCT125
Description  QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54HCT125 Datasheet(HTML) 1 Page - Texas Instruments

   
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SN54HCT125, SN74HCT125
QUADRUPLE BUS BUFFER GATES
WITH 3-STATE OUTPUTS
SCLS069C – NOVEMBER 1988 – REVISED MAY 1997
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D High-Current 3-State Outputs Drive Bus
Lines or Buffer Memory Address Registers
D Package Options Include Plastic
Small-Outline (D) and Ceramic Flat (W)
Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (N) and Ceramic (J)
300-mil DIPs
description
These bus buffer gates feature independent line
drivers with 3-state outputs. Each output is
disasbled when the associated output-enable
(OE) input is high.
The SN54HCT125 is characterized for operation
over the full military temperature range of –55
°C
to 125
°C. The SN74HCT125 is characterized for
operation from –40
°C to 85°C.
FUNCTION TABLE
(each gate)
INPUTS
OUTPUT
OE
A
Y
L
H
H
L
LL
H
X
Z
logic symbol
EN
1
2
1B
4
5
2B
10
9
3B
13
12
4B
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the D, J, N, and W packages.
1Y
3
1OE
2OE
3OE
4OE
2Y
6
3Y
8
4Y
11
Copyright
© 1997, Texas Instruments Incorporated
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.
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.
SN54HCT125 ...J OR W PACKAGE
SN74HCT125 ...D OR N PACKAGE
(TOP VIEW)
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3OE
1Y
NC
2OE
NC
2A
SN54HCT125 . . . FK PACKAGE
(TOP VIEW)
NC – No internal connection
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1OE
1A
1Y
2OE
2A
2Y
GND
VCC
4OE
4A
4Y
3OE
3A
3Y


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