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HD74ALVCH16269 Datasheet 12-bit To 24-bit Registered Bus Transceivers With 3-state Outputs

Manufacturer: Hitachi Semiconductor (now Renesas)

Overview: HD74ALVCH16269 12-bit to 24-bit Registered Bus Transceivers with 3-state Outputs ADE-205-136 (Z) Preliminary 1st.

General Description

The HD74ALVCH16269 is used in applications where two separate ports must be multiplexed onto, or demultiplexed from, a single port.

The device is particularly suitable as an interface between synchronous DRAMs and high speed microprocessors.

Data is stored in the internal B port registers on the low to high transition of the clock (CLK) input when the appropriate clock enable (CLKENA ) inputs are low.

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 ±24 mA (@VCC = 3.0 V).
  • Bus hold on data inputs eliminates the need for external pullup / pulldown resistors HD74ALVCH16269 Function Table Inputs CLK ↑ ↑ ↑ ↑ OEA H H L L OEB H L H L Outputs A Z Z Active Active 1B, 2B Z Active Z Active Output enable Inputs CLKENA1 H L L X X CLKENA2 H X X L L.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
Renesas Logo HD74ALVCH16269 12-bit to 24-bit Registered Bus Transceivers Renesas

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HD74ALVCH16269 Distributor