型号 功能描述 生产厂家 企业 LOGO 操作
MM74HC643

Inverting Octal TRI-STATE Transceiver

文件:145.22 Kbytes Page:6 Pages

NSC

国半

Inverting Octal TRI-STATE Transceiver

文件:145.22 Kbytes Page:6 Pages

NSC

国半

Inverting Octal TRI-STATE Transceiver

文件:145.22 Kbytes Page:6 Pages

NSC

国半

Octal Bus Transceivers (with 3-state outputs)

Description Each device has an active enable G and a direction control input, DIR. when DIR is high, data flows from the A inputs to the B outputs. When DIR is low, data flows from the B inputs to the A outputs. The HD74HC640 transfers inverted data from one bus to other and the HD74HC643 transfe

HITACHIHitachi Semiconductor

日立日立公司

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS INVERTING/NON INVERTING

DESCRIPTION The M54/74HC245, HC640 and HC643 utilise silicon gate C2MOS technology to achive operating speeds equivalent to LSTTL devices. Along with the low power dissipation and high noise immunity of standards C2MOS integrated circuit, it possesses the capability to drive 15 LSTTL loads. The

STMICROELECTRONICS

意法半导体

OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS INVERTING/NON INVERTING

DESCRIPTION The M54/74HC245, HC640 and HC643 utilise silicon gate C2MOS technology to achive operating speeds equivalent to LSTTL devices. Along with the low power dissipation and high noise immunity of standards C2MOS integrated circuit, it possesses the capability to drive 15 LSTTL loads. The

STMICROELECTRONICS

意法半导体

MM74HC643产品属性

  • 类型

    描述

  • 型号

    MM74HC643

  • 制造商

    NSC

  • 制造商全称

    National Semiconductor

  • 功能描述

    Inverting Octal TRI-STATE Transceiver

更新时间:2026-3-15 13:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
FSC
23+
TSSOP
50000
全新原装正品现货,支持订货
FSC
24+
TSSOP
5000
全新原装正品,现货销售
NS/国半
23+
DIP-24
13000
原厂授权一级代理,专业海外优势订货,价格优势、品种
24+
N/A
65000
一级代理-主营优势-实惠价格-不悔选择
National Semiconductor
24+25+
16500
全新原厂原装现货!受权代理!可送样可提供技术支持!
NS/国半
2447
DIP
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
NS/国半
23+
DIP
50000
全新原装正品现货,支持订货
Rochester
25+
电联咨询
7800
公司现货,提供拆样技术支持
Fairchild/ON
22+
20TSSOP
9000
原厂渠道,现货配单
NS
24+
SMD
5000
公司存货

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