Specification	CD74AC161M96

Count Rate	90 MHz
Direction	Up
Logic Type	Binary Counter
Mounting Type	Surface Mount
Number of Bits per Element	4
Number of Elements	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Package / Case	16-SOIC
Package / Case [x]	0.154 in
Package / Case [y]	3.9 mm
Reset	Asynchronous
Supplier Device Package	16-SOIC
Timing	Synchronous
Trigger Type	Positive Edge
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.5 V

CD74AC161 Series

Synchronous Presettable Binary Counters with Asynchronous Reset

Part	Trigger Type	Mounting Type	Number of Bits per Element	Timing	Reset	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Package / Case	Package / Case [x]	Package / Case [y]	Number of Elements	Logic Type	Direction	Voltage - Supply [Min]	Voltage - Supply [Max]	Count Rate	Package / Case	Package / Case
Texas Instruments CD74AC161M96	Positive Edge	Surface Mount	4	Synchronous	Asynchronous	-55 °C	125 °C	16-SOIC	16-SOIC	0.154 in	3.9 mm	1	Binary Counter	Up	1.5 V	5.5 V	90 MHz
Texas Instruments CD74AC161E	Positive Edge	Through Hole	4	Synchronous	Asynchronous	-55 °C	125 °C	16-PDIP	16-DIP			1	Binary Counter	Up	1.5 V	5.5 V	90 MHz	0.3 in	7.62 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.30
	Digi-Reel®	1	$ 1.30
	Tape & Reel (TR)	2500	$ 0.35
		5000	$ 0.33
		7500	$ 0.32
		12500	$ 0.30
		17500	$ 0.30
		25000	$ 0.29
Texas Instruments	LARGE T&R	1	$ 0.60
		100	$ 0.46
		250	$ 0.34
		1000	$ 0.24

Description

General part information

CD74AC161 Series

The ’AC161 devices are 4-bit binary counters. These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting.

Documents

Technical documentation and resources

CDx4AC161 4-Bit Synchronous Binary Counters datasheet (Rev. D)

Data sheet