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HD74HC390 Datasheet Dual Decade Counters

Manufacturer: Renesas

Overview: HD74HC390 Dual Decade Counters REJ03D0624-0200 (Previous ADE-205-503) Rev.2.

General Description

The HD74HC390 incorporate dual decade counters, each posed of a divide-by-two and a divide-by-five counter.

The divide-by-two and divide-by-five counters can be cascaded to form dual decade, dual bi-quinary, or various binations up to a single divide-by-100 counter.

The HD74HC390 is incremented on the high to low transition (negative edge) of the clock input, and each has an independent clear input.

Key Features

  • High Speed Operation: tpd (Clock A to QA) = 11 ns typ (CL = 50 pF).
  • High Output Current: Fanout of 10 LSTTL Loads.
  • Wide Operating Voltage: VCC = 2 to 6 V.
  • Low Input Current: 1 µA max.
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C).
  • Ordering Information Par.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
Hitachi Semiconductor Logo HD74HC390 Dual Decade Counters Hitachi Semiconductor

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HD74HC390 Distributor