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HD74HC77 - 4-bit Bistable Latch

General Description

The HD74HC77 is ideally suited for use as temporary storage for binary information between processing units and input/output or indicator units.

Key Features

  • High Speed Operation: tpd (D to Q) = 12 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) = 2 µA max (Ta = 25°C).
  • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74HC77P.

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Datasheet Details

Part number HD74HC77
Manufacturer Renesas
File Size 199.49 KB
Description 4-bit Bistable Latch
Datasheet download datasheet HD74HC77 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HD74HC77 4-bit Bistable Latch REJ03D0552-0200 (Previous ADE-205-424) Rev.2.00 Oct 06, 2005 Description The HD74HC77 is ideally suited for use as temporary storage for binary information between processing units and input/output or indicator units. Information present at a data (D) input is transferred to the Q output when the enable (G) is high and the Q output will follow the data input as long as the enable remains high. When the enable goes low the information (that was present at the data input at the time the transition occurred) is retained at the Q output until the enable is permitted to go high.