CD74AC161 Series

Synchronous Presettable Binary Counters with Asynchronous Reset

Catalog

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

Catalog

Synchronous Presettable Binary Counters with Asynchronous Reset

Key Features

• Internal look-ahead for fast countingCarry output for n-bit cascadingSynchronous countingSynchronously programmableSCR-latchup-resistant CMOS process and circuit designExceeds 2kV ESD protection per MIL-STD-883, method 3015Internal look-ahead for fast countingCarry output for n-bit cascadingSynchronous countingSynchronously programmableSCR-latchup-resistant CMOS process and circuit designExceeds 2kV ESD protection per MIL-STD-883, method 3015

Description

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