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SN74HCT273 - Octal D-Type Flip-Flops

General Description

These devices are positive-edge-triggered D-type flipflops with a common enable input.

The ’HCT273 devices are similar to the ’HCT377 devices, but feature a common clear enable (CLR) input instead of a latched clock.

Key Features

  • Operating voltage range of 4.5V to 5.5V.
  • Outputs can drive up to 10 LSTTL loads.
  • Low power consumption, 80µA maximum ICC.
  • Typical tpd = 12ns.
  • ±4mA output drive at 5V.
  • Low input current of 1µA maximum.
  • Inputs are TTL-voltage compatible.
  • Contain eight D-type flip-flops.
  • Direct clear input 2.

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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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SN74HCT273 SCLS068H – NOVEMBER 1988 – REVISED FEBRUARY 2025 SNx4HCT273 Octal D-Type Flip-Flops With Clear 1 Features • Operating voltage range of 4.5V to 5.5V • Outputs can drive up to 10 LSTTL loads • Low power consumption, 80µA maximum ICC • Typical tpd = 12ns • ±4mA output drive at 5V • Low input current of 1µA maximum • Inputs are TTL-voltage compatible • Contain eight D-type flip-flops • Direct clear input 2 Applications • Buffer or storage registers • Shift registers • Pattern generators 3 Description These devices are positive-edge-triggered D-type flipflops with a common enable input. The ’HCT273 devices are similar to the ’HCT377 devices, but feature a common clear enable (CLR) input instead of a latched clock.