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CD74AC161 Datasheet(PDF) 3 Page - Texas Instruments

Part # CD74AC161
Description  CDx4AC161 4-Bit Synchronous Binary Counters
PDF  23 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

CD74AC161 Datasheet(HTML) 3 Page - Texas Instruments

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3 Pin Configuration and Functions
Figure 3-1. CD54AC161 F Package, CD74AC161 E or M Package (Top View)
Pin Functions
NAME
PIN
TYPE
DESCRIPTION
CLR
1
I
Clear, active low
CLK
2
I
Clock, rising edge triggered
A
3
I
Load data A
B
4
I
Load data B
C
5
I
Load data C
D
6
I
Load data D
ENP
7
I
Count enable, does not affect RCO
GND
8
—
Ground
LOAD
9
I
Parallel load, active low
ENT
10
I
Count enable, affects RCO
QD
11
O
QD output
QC
12
O
QC output
QB
13
O
QB output
QA
14
O
QA output
RCO
15
O
Ripple-carry output
VCC
16
__
Supply
www.ti.com
CD54AC161, CD74AC161
SCHS239D – NOVEMBER 1998 – REVISED MAY 2024
Copyright © 2024 Texas Instruments Incorporated
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3
Product Folder Links: CD54AC161 CD74AC161



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