型号 功能描述 生产厂家 企业 LOGO 操作
MM74HC643J

Inverting Octal TRI-STATE Transceiver

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NSC

国半

Octal bus transceiver; 3-state; true/inverting

GENERAL DESCRIPTION The 74HC/HCT643 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. FEATURES • Octal bidirectional bus interface • True and inverting 3-state outputs • Output capabilit

Philips

飞利浦

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

RENESAS

瑞萨

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 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

RENESAS

瑞萨

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

MM74HC643J产品属性

  • 类型

    描述

  • 型号

    MM74HC643J

  • 制造商

    NSC

  • 制造商全称

    National Semiconductor

  • 功能描述

    Inverting Octal TRI-STATE Transceiver

更新时间:2025-11-24 18:55:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
FSC
4
TSSOP
17683
一级代理,专注军工、汽车、医疗、工业、新能源、电力
NS
25+
SOT23-3
18000
原厂直接发货进口原装
FSC
25+
TSSOP20
30000
代理全新原装现货,价格优势
FSC
25+
TSSOP
4500
全新原装、诚信经营、公司现货销售!
NS
23+
DIP-24P
8560
受权代理!全新原装现货特价热卖!
NS
24+
SMD
5000
公司存货
Fairchild/ON
22+
20TSSOP
9000
原厂渠道,现货配单
onsemi(安森美)
24+
TSSOP20
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
原厂正品
23+
DIP14
5000
原装正品,假一罚十
NS
99
DIP
3
原装现货海量库存欢迎咨询

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