型号 功能描述 生产厂家 企业 LOGO 操作
SN74HCT257N.A

Quadruple 2-Line to 1-Line Data Select RS/Multiplexers With 3-State Outputs

1 Features • Operating voltage range of 4.5 V to 5.5 V • High-current3-state outputs interface directly with system bus • Typical tpd = 17 ns • Low power consumption, 80-μA max ICC • ±6-mA output drive at 5 V • Low input current of 1 μA max • Inputs are TTL-voltage compatible • Provide bu

TI

德州仪器

Quad 2-input multiplexer; 3-state

ETC

知名厂家

Quad 2-input multiplexer; 3-state

1. General description The 74HC257; 74HCT257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits • Wide supply voltage range from 2.0 V to

NEXPERIA

安世

Quad 2-input multiplexer; 3-state

1. General description The 74HC257; 74HCT257 is a quad 2-input multiplexer with 3-state outputs. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2. Features and benefits • Wide supply voltage range from 2.0 V to

NEXPERIA

安世

Quad 2-input multiplexer; 3-state

ETC

知名厂家

Quad 2-input multiplexer 3-state

文件:80.07 Kbytes Page:13 Pages

Philips

飞利浦

更新时间:2025-11-3 22:53:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
23+
NA
20000
全新原装假一赔十
TI/德州仪器
24+
NA/
17
优势代理渠道,原装正品,可全系列订货开增值税票
TI/德州仪器
25+
SOP-20
880000
明嘉莱只做原装正品现货
TI
25+23+
SOP
20665
绝对原装正品全新进口深圳现货
TI(德州仪器)
24+
SO20
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
TI
25+
TSOP
2500
强调现货,随时查询!
TI/德州仪器
2023+
SOJ20
4796
一级代理优势现货,全新正品直营店
TexasInstruments
18+
ICSELECTOR/MUXQUAD2-116-
6800
公司原装现货/欢迎来电咨询!
SN74HCT273ADW
25+
16
16
TMS
05+
SOIC
1000
全新原装 绝对有货

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