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SN54HC191 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. SN54HC191
Description  4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN54HC191 Datasheet(HTML) 3 Page - Texas Instruments

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SN54HC191, SN74HC191
4BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
SCLS121D − DECEMBER 1982 − REVISED OCTOBER 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagram (positive logic)
Pin numbers shown are for the D, J, N, NS, and W packages.
S
C1
1D
R
7
9
S
C1
1D
R
6
10
S
C1
1D
R
2
1
S
C1
1D
R
3
15
11
14
5
4
12
13
QA
QB
QC
QD
RCO
CTEN
D/U
LOAD
MAX/MIN
CLK
A
B
C
D


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