HomedatasheetSN74HC161DRG4

SN74HC161DRG4 Datasheet

Counter ICs
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Description

These SN74HC161DRG4 synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The ’HC161 devices are 4-bit binary counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enable (ENP, ENT) inputs and internal gating. This mode of operation eliminates the output counting spikes that are normally associated with synchronous (ripple-clock) counters. A buffered clock (CLK) input triggers the four flip-flops on the rising (positive-going) edge of the clock waveform. SN74HC161DRG4 Features • Wide Operating Voltage Range of 2 V to 6 V• Outputs Can Drive Up To 10 LSTTL Loads• Low Power Consumption, 80-μA Max ICC• Typical tpd = 14 ns• ±4-mA Output Drive at 5 V• Low Input Current of 1 μA Max• Internal Look-Ahead for Fast Counting• Carry Output for n-Bit Cascading• Synchronous Counting• Synchronously Programmable
Features

Parameters

[{"Name":"Counter Type","Value":"Binary Counters"},{"Name":"Logic Family","Value":"CMOS "},{"Name":"Number of Bits ","Value":"4"},{"Name":"Counting Method ","Value":"Asynchronous "},{"Name":"Operating Supply Voltage ","Value":"2 V to 6 V"},{"Name":"Package / Case","Value":"SOIC-16"},{"Name":"Packaging","Value":"Reel "}]

Manufacturer information

MICROCHIP TECHNOLOGY

Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.


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