HD74AC194RP-EL

更新时间： 2024-02-26 06:36:16

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HD74AC194RP-EL 数据手册

HD74AC194

4-bit Bidirectional Unviersal Shift Register

Description

This bidirectional shift register is designed to incorporate virtually all of the features a system designer may

want in a shift register. It features parallel inputs, parallel outputs, right shift and left shift serial inputs,

operating mode control inputs, and a direct overriding clear line. The register has four destinct modes of

operation: parallel (broadside) load, shift right (in the direction Q₀toward Q₃); shift left; inhibit clock (do

nothing).

Synchronous parallel loading is accomplished by applying the four bits of data and taking both mode

control inputs, S₀and S₁, high. The data are loaded into their respective flip-flops and appear at the output

after the positive transition of the clock input. During loading, serial data flow is inhibited. Shift right is

accomplished synchronously with the rising edge of the clock pulse when S₀is high and S₁is low. Serial

date for this mode is entered at the shift right data input. When S₀is low and S₁is high, data shifts left

synchronously and new data is entered at the shifts left serial input. Clocking of the flip-flops is inhibited

when both mode control inputs are low. The mode control inputs should be changed only when the clock

input is high.

Features

•

Asynchronous Master Reset

Hole (Do Nothing) Mode

Outputs Source/Sink 24 mA

12 3 4 5 6 7...11

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型号	品牌	获取价格	描述	数据表
HD74AC194RPVEL	RENESAS	获取价格	AC SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO1
HD74AC194T	RENESAS	获取价格	AC SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO1
HD74AC194T-EL	RENESAS	获取价格	AC SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO1
HD74AC194T-ELL	HITACHI	获取价格	Parallel In Parallel Out, AC Series, 4-Bit, Bidirectional, True Output, CMOS, PDSO16, TTP-
HD74AC195	RENESAS	获取价格	4-bit Parallel-Access Shift Register
HD74AC195	HITACHI	获取价格	4-bit Parallel-Access Shift Register
HD74AC195FP	HITACHI	获取价格	Parallel In Parallel Out, AC Series, 4-Bit, Right Direction, True Output, CMOS, PDSO16, FP
HD74AC195FPEL	RENESAS	获取价格	4-bit Parallel-Access Shift Register
HD74AC195FP-EL	HITACHI	获取价格	Parallel In Parallel Out, AC Series, 4-Bit, Right Direction, True Output, CMOS, PDSO16, EI
HD74AC195P	RENESAS	获取价格	暂无描述