| No. | Partie # | Fabricant | Description | Fiche Technique |
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National Semiconductor |
Synchronous 4-Bit Up/Down Decade Counter Y Y Y Wide supply voltage range High noise immunity Low power TTL compatibility Y Y Y 3V to 15V 0 45 VDD (typ ) Fan out of 2 driving 74L or 1 driving 74LS Carry and borrow outputs for easy expansion to N-bit by cascading Asynchronous clear Equiva |
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Intersil Corporation |
CMOS Presettable Up/Down Counters • CD40192BMS - BCD Type • CD40193BMS - Binary Type • High Voltage Type (20V Rating) • Individual Clock Lines for Counting Up or Counting Down • Synchronous High-Speed Carry and Borrow Propagation Delays for Cascading • Asynchronous Reset and Preset C |
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