HD74HC674 - 16-bit Shift Register

Product Overview

Hitachi Semiconductor

Part number	HD74HC674
Manufacturer	Hitachi Semiconductor
File Size	44.53 KB
Description	16-bit Shift Register
Datasheet	HD74HC674 Datasheet
Additional preview pages of the HD74HC674 datasheet.

The HD74HC674 is a 16-bit parallel-in, serial-out shift register.

A three-state input/output (data I/O) port provides access for entering serial data or reading the shift-register word in a recirculating loop.

The device has four basic modes of operation: 1.

High Speed Operation: tpd (CLK to SER/Q15) = 17 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads 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) Function Table Inputs CS H L L L R/W X L H H Mode X X L H CLK X SER/Q15 Z Z Q14n P15 Operation Do nothing Shift and write (serial load) Shift and read Parallel load HD74HC674 Pin Arrangement CS CLK R/.

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Published: Mar 23, 2005 |