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74HC40103 - 8-bit synchronous binary down counter

General Description

The 74HC40103 is an 8-bit synchronous down counter.

It has control inputs for enabling or disabling the clock (CP), for clearing the counter to its maximum count and for presetting the counter either synchronously or asynchronously.

Key Features

  • Cascadable.
  • Synchronous or asynchronous preset.
  • Low-power dissipation.
  • Complies with JEDEC standard no. 7A.
  • CMOS input levels.
  • ESD protection:.
  • HBM JESD22-A114F exceeds 2000 V.
  • MM JESD22-A115-A exceeds 200 V.
  • Multiple package options.
  • Specified from 40 C to +80 C and from 40 C to +125 C 3.

📥 Download Datasheet

Datasheet Details

Part number 74HC40103
Manufacturer Nexperia
File Size 805.66 KB
Description 8-bit synchronous binary down counter
Datasheet download datasheet 74HC40103 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
74HC40103 8-bit synchronous binary down counter Rev. 5 — 21 April 2016 Product data sheet 1. General description The 74HC40103 is an 8-bit synchronous down counter. It has control inputs for enabling or disabling the clock (CP), for clearing the counter to its maximum count and for presetting the counter either synchronously or asynchronously. In normal operation, the counter is decremented by one count on each positive-going transition of the clock (CP). Counting is inhibited when the terminal enable input (TE) is HIGH. The terminal count output (TC) goes LOW when the count reaches zero if TE is LOW, and remains LOW for one full clock period.