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SN74HCT74D Datasheet Dual D-type Positive-edge-triggered Flip-flops

Manufacturer: Texas Instruments

Overview: SN54HCT74, SN74HCT74 SCLS169G – DECEMBER 1982 – REVISED OCTOBER 2022 SNx4HCT74 Dual D-Type Positive-Edge-Triggered Flip-Flips With Clear and Preset.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ’HCT74 devices contain two independent D-type positive-edge-triggered flip-flops.

A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs, regardless of the levels of the other inputs.

When PRE and CLR are inactive (high), data at the data (D) input meeting the setup time requirements are transferred to the outputs on the positive-going edge of the clock (CLK) pulse.

Key Features

  • Operating voltage range of 4.5 V to 5.5 V.
  • Outputs can drive up to 10 LSTTL loads.
  • Low power consumption, 40-μA max ICC.
  • Typical tpd = 17 ns.
  • ±4-mA output drive at 5 V.
  • Low input current of 1 μA max.
  • Inputs are TTL-voltage compatible 2.

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More Datasheets from Texas Instruments

Part Number Description
SN74HCT74 DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
SN74HCT74N DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
SN74HCT00 QUADRUPLE 2-INPUT POSITIVE-NAND GATE
SN74HCT00D QUADRUPLE 2-INPUT POSITIVE-NAND GATE
SN74HCT00N QUADRUPLE 2-INPUT POSITIVE-NAND GATE
SN74HCT02 QUADRUPLE 2-INPUT POSITIVE-NOR GATE
SN74HCT02D QUADRUPLE 2-INPUT POSITIVE-NOR GATE
SN74HCT02N QUADRUPLE 2-INPUT POSITIVE-NOR GATE
SN74HCT04 HEX INVERTER
SN74HCT04-EP HEX INVERTER