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MM74C90 Datasheet 4-bit Decade Counter 4-bit Binary Counter

Manufacturer: Fairchild (now onsemi)

Overview: MM74C90 • MM74C93 4-Bit Decade Counter • 4-Bit Binary Counter October 1987 Revised January 1999 MM74C90 • MM74C93 4-Bit Decade Counter • 4-Bit Binary.

General Description

The MM74C90 decade counter and the MM74C93 binary counter and plementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors.

The 4-bit decade counter can reset to zero or preset to nine by applying appropriate logic level on the R01, R02, R91 and R92 inputs.

Also, a separate flip-flop on the A-bit enables the user to operate it as a divide-by-2, 5 or 10 frequency counter.

Key Features

  • s Wide supply voltage range: s Guaranteed noise margin: s High noise immunity: s Low power compatibility: Fan out of 2 TTL driving 74L s The MM74C93 follows the MM74L93 Pinout 3V to 15V 1V 0.45 VCC (typ. ) Ordering Code: Order Number MM74C90N MM74C93N Package Number N14A N14A Package.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Logo MM74C90 4-Bit Decade Counter National Semiconductor
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Fairchild Semiconductor Logo MM74C902 Hex Non-Inverting TTL Buffer Fairchild Semiconductor
National Logo MM74C902 Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer National
National Logo MM74C903 Hex Inverting TTL / Non-Inverting TTL / Inverting CMOS / Non-Inverting CMOS Buffer National

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MM74C90 Distributor