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74HC161D Datasheet Presettable Synchronous 4-bit Binary Counter

Manufacturer: Nexperia

Overview: 74HC161 Presettable synchronous 4-bit binary counter; asynchronous reset Rev. 5 — 16 March 2021 Product data sheet 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The 74HC161 is a synchronous presettable binary counter with an internal look-head carry.

Synchronous operation is provided by having all flip-flops clocked simultaneously on the positivegoing edge of the clock (CP).

The outputs (Q0 to Q3) of the counters may be preset HIGH or LOW.

Key Features

  • Wide supply voltage range from 2.0 V to 6.0 V.
  • CMOS low power dissipation.
  • High noise immunity.
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
  • Complies with JEDEC standards:.
  • JESD8C (2.7 V to 3.6 V).
  • JESD7A (2.0 V to 6.0 V).
  • CMOS input levels.
  • Synchronous counting and loading.
  • 2 count enable inputs for n-bit cascading.
  • Asynchronous reset.
  • Positive-edge triggered clock.

74HC161D Distributor

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