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HD74HC78 Datasheet

Manufacturer: Hitachi Semiconductor (now Renesas)
HD74HC78 datasheet preview

Datasheet Details

Part number HD74HC78
Datasheet HD74HC78_HitachiSemiconductor.pdf
File Size 59.69 KB
Manufacturer Hitachi Semiconductor (now Renesas)
Description Dual J-K Flip-Flops (with Preset/ Common Clear and Common Clock)
HD74HC78 page 2 HD74HC78 page 3

HD74HC78 Overview

This flip-flop is edge sensitive to the clock input and change state on the negative transition of the clock pulse. Each flip-flop has independent J, K, and preset inputs and Q and Q outputs. Two flip-flops are controlled by a mon clear and a mon clock.

HD74HC78 Key Features

  • High Speed Operation: tpd (Clock to Q) = 20 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Opera
  • 0.5 1.35 1.8
  • 0.5 1.5 3.15 4.2
  • 1.9 4.4 5.9 4.13 5.63
  • Output voltage
  • 4.4 4.5
  • 5.9 6.0
  • Input current Quiescent supply current
  • 95 19 16 10 pF ns ns Preset or Clear to Clock ns Clock to J or K ns J or K to Clock ns Clock, Preset, Clear Preset to Q
  • 80 16 14

HD74HC78 from other manufacturers

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Brand Logo Part Number Description Other Manufacturers
Renesas Logo HD74HC78 Dual J-K Flip-Flops Renesas
Hitachi Semiconductor (now Renesas) logo - Manufacturer

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HD74HC78 Distributor

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