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54F161APCQR [Synchronous Presettable Binary Counter ]

other parts : 54F161ADC  54F161ADCQB  54F161ADCQR  54F161ADCX  54F161ADM  54F161ADMQB  54F161ADMQR 

National ->Texas Instruments

General Description
The ’F161A and ’F163A are high-speed synchronous modulo-16 binary counters. They are synchronously presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming synchronous multi-stage counters. The ’F161A has an asynchronous Master-Reset input that over rides all other inputs and forces the outputs LOW. The ’F163A has a Synchronous Reset input that overrides counting and parallel loading and allows the outputs to be simultaneously reset on the rising edge of the clock. The ’F161A and ’F163A are high-speed versions of the ’F161 and ’F163.

■ Synchronous counting and loading
■ High-speed synchronous expansion
■ Typical count frequency of 120 MHz
■ Guaranteed 4000V minimum ESD protection



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