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)

tuneProduct Options

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


Title language Type Format File Size Date
Datasheets & Errata
star 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 Overview PDF 1.83 MB

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