74F381

74F381概述

4位算术逻辑单元 4-Bit Arithmetic Logic Unit

General Description

The performs three arithmetic and three logic operations on two 4-bit words, A and B. Two additional select input codes force the function outputs LOW or HIGH. Carry propagate and generate outputs are provided for use with the 74F182 carry lookahead generator for high-speed expansion to longer word lengths. For ripple expansion, refer to the 74F382 ALU data sheet.

Features

■ Low input loading minimizes drive requirements

■ Performs six arithmetic and logic functions

■ Selectable LOW clear and HIGH preset functions

■ Carry generate and propagate outputs for use with carry lookahead generator

74F381数据文档
型号 品牌 下载
74F381

Fairchild 飞兆/仙童

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74F38D

Philips 飞利浦

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74F374D

Philips 飞利浦

下载
74F399D

Philips 飞利浦

下载
74F373D

Philips 飞利浦

下载
74F377AD

Philips 飞利浦

下载
74F32D

Philips 飞利浦

下载
74F382PC

Fairchild 飞兆/仙童

下载
74F381PC

Fairchild 飞兆/仙童

下载
74F399SC

Fairchild 飞兆/仙童

下载
74F352PC

Fairchild 飞兆/仙童

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