HD74ALVCH162721 - 3.3-V 20-bit Flip Flops with 3-state Outputs

Product Overview

Hitachi Semiconductor

Datasheet Details

Part number	HD74ALVCH162721
Manufacturer	Hitachi Semiconductor
File Size	52.34 KB
Description	3.3-V 20-bit Flip Flops with 3-state Outputs
Datasheet	HD74ALVCH162721 Datasheet
Additional preview pages of the HD74ALVCH162721 datasheet.

Product details

Description

The HD74ALVCH162721’s twenty flip flops are edge triggered D-type flip flops with qualified clock storage.

On the positive transition of the clock (CLK) input, the device provides true data at the Q outputs, provided that the clock enable (CLKEN ) input is low.

If CLKEN is high, no data is stored.

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 (@V CC = 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. HD74ALVCH162721 Function Table Inputs OE L L L L H CLKEN H L L L X CLK X ↑ ↑ L or H.

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Published: Mar 23, 2005 |