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HD74HC623 - Octal Bus Transceivers

Download the HD74HC623 datasheet PDF. This datasheet also covers the HD74HC620 variant, as both devices belong to the same octal bus transceivers family and are provided as variant models within a single manufacturer datasheet.

Description

This octal bus transceiver is designed for asynchronous two-way communication between data buses.

The control function implementation allows for maximum flexibility in timing.

Features

  • High Speed Operation: tpd (Bus to Bus) = 12 ns typ (CL = 50 pF).
  • High Output Current: Fanout of 15 LSTTL Loads (QA to QH outputs).
  • Wide Operating Voltage: VCC = 2 to 6 V.
  • Low Input Current: 1 µA max.
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C).
  • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation HD74HC620P DILP-20 pin PRDP0020AC-B (DP-20NEV) P HD74HC620FPEL HD74HC623F.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HD74HC620-Renesas.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number HD74HC623
Manufacturer Renesas
File Size 119.93 KB
Description Octal Bus Transceivers
Datasheet download datasheet HD74HC623 Datasheet

Full PDF Text Transcription

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HD74HC620, HD74HC623 Octal Bus Transceivers (with inverted 3-state outputs) Octal Bus Transceivers (with 3-state outputs) REJ03D0636-0200 (Previous ADE-205-516) Rev.2.00 Mar 30, 2006 Description This octal bus transceiver is designed for asynchronous two-way communication between data buses. The control function implementation allows for maximum flexibility in timing. This device allows data transmission from the A bus to the B bus or from the B bus to the A bus depending upon the logic levels at the enable inputs (GBA and GAB). The enable inputs can be used to disable the device so that the buses are effectively isolated. The dual-enable configuration gives these devices the capability to store data by simultaneous enabling of GBA and GAB.
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