型号 功能描述 生产厂家 企业 LOGO 操作

Quad 2-line to 1-line selector/multiplexer, non-inverting 3-State

DESCRIPTION The 74F257A has four identical 2-input multiplexers with 3-State outputs which select 4 bits of data from two sources uncer control of a common Select (S) input. The I0a inputs are selected when the common Select input is Low and the I1n inputs are selected when the common Select i

Philips

飞利浦

Quad 2-Input Multiplexer with 3-STATE Outputs

General Description The 74F257A is a quad 2-input multiplexer with 3-STATE outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to a high impedance state wi

Fairchild

仙童半导体

Quad 2-Input Multiplexer with 3-STATE Outputs

General Description The 74F257A is a quad 2-input multiplexer with 3-STATE outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to a high impedance state wi

Fairchild

仙童半导体

Quad 2-Input Multiplexer with 3-STATE Outputs

General Description The 74F257A is a quad 2-input multiplexer with 3-STATE outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to a high impedance state wi

Fairchild

仙童半导体

Quad 2-Input Multiplexer with TRI-STATE Outputs

文件:157 Kbytes Page:8 Pages

NSC

国半

更新时间:2026-1-3 23:00:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
onsemi(安森美)
25+
SOIC-16-208mil
11543
正规渠道,免费送样。支持账期,BOM一站式配齐
恩XP
2016+
DIP
3000
只做原装,假一罚十,公司可开17%增值税发票!
FAIRCHILD
23+
SOP
20000
全新原装假一赔十
NATIONALSEMICONDUCTOR
24+
NA
80000
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nsc
25+
500000
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FAIRCHIL
25+23+
DIP16
27116
绝对原装正品全新进口深圳现货
FAIRCHILD/仙童
22+
SOP
8000
原装正品支持实单
PHI
25+
SOP16
4500
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25+
36
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NSC
175
全新原装 货期两周

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