The ICM7242 is a CMOS timer/counter circuit consisting of an RC oscillator followed by an 8-bit binary counter. It will replace the 2242 in most applications, with a significant reduction in the number of external components. Three outputs are provided. They are the oscillator output, and buffered outputs from the first and eighth counters.


  • Replaces the 2242 in Most Applications
  • Timing From Microseconds to Days
  • Cascadable
  • Monostable or Astable Operation
  • Wide Supply Voltage Range 2V to 16V
  • Low Supply Current 115µA at 5V
  • Pb-Free Plus Anneal Available (RoHS Compliant)

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active PDIP Tube 1000

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
ICM7242 Datasheet Datasheet PDF 615 KB
PCN12086 - Alternate Manufacturing Site for Assembly of the Listed Intersil PDIP Packaged Products -Amkor Technology, Philippines (ATP) Product Change Notice PDF 86 KB
PIN19006 - Price Increase for the Listed Renesas Electronics America Products Price Increase Notice PDF 257 KB
PIN17006 - Q1 2017 Price Increase Price Increase Notice PDF 227 KB
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB