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HD74ALVCH162501 Datasheet 18-bit Universal Bus Transceivers With 3-state Outputs

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HD74ALVCH162501 18-bit Universal Bus Transceivers with 3-state Outputs ADE-205-182 (Z) Preliminary 1st.

General Description

Data flow in each direction is controlled by output enable (OEAB and OEBA), latch enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs.

For A to B data flow, the device operates in the transparent mode when LEAB is high.

When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level.

Key Features

  • VCC = 2.3 V to 3.6 V.
  • Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C).
  • Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C).
  • High output current ±12 mA (@VCC = 3.0 V).
  • Bus hold on data inputs eliminates the need for external pullup / pulldown resistors.
  • All outputs have equivalent 26 Ω series resistors, so no external resistors are required. HD74ALVCH162501 Function Table.
  • 3 Inputs OEAB L H H H H H H LEAB X H H L L L L C.

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