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SN54HCT574 - OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS

General Description

These octal edge-triggered D-type flip-flops feature 3-state outputs designed specifically for bus driving.

The ’HCT574 devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

Key Features

  • Operating voltage range of 4.5 V to 5.5 V.
  • High-current 3-state noninverting outputs drive bus lines directly or up to 15 LSTTL loads.
  • Low power consumption, 80-μA max ICC.
  • Typical tpd = 22 ns.
  • ±6-mA output drive at 5 V.
  • Low input current of 1 μA max.
  • Inputs are TTL-voltage compatible.
  • Bus-structured pinout 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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SN54HCT574, SN74HCT574 SCLS177G – MARCH 1984 – REVISED JULY 2022 SNx4HCT574 Octal Edge-Triggered D-Type Flip-Flips With 3-State Outputs 1 Features • Operating voltage range of 4.5 V to 5.5 V • High-current 3-state noninverting outputs drive bus lines directly or up to 15 LSTTL loads • Low power consumption, 80-μA max ICC • Typical tpd = 22 ns • ±6-mA output drive at 5 V • Low input current of 1 μA max • Inputs are TTL-voltage compatible • Bus-structured pinout 2 Description These octal edge-triggered D-type flip-flops feature 3-state outputs designed specifically for bus driving. The ’HCT574 devices are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.