型号 功能描述 生产厂家 企业 LOGO 操作

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-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 TRI-STATE Outputs

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NSC

国半

更新时间:2025-12-26 11:12:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NATIONALSEMICONDUCTOR
24+
NA
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
NSC
25+
SOP
2987
只售原装自家现货!诚信经营!欢迎来电!
FAIRCHIL
25+23+
DIP16
27116
绝对原装正品全新进口深圳现货
恩XP
2016+
DIP
3000
只做原装,假一罚十,公司可开17%增值税发票!
FAIRCHILD
1922+
SOP16-3.9MM
12600
MOT
24+
SOP
17500
公司常备大量原装正品现货!量大价优!
NS
24+
SOP-16
3500
原装现货,可开13%税票
FAIRCHILD
23+
SOP
20000
全新原装假一赔十
NS
2023+
SOP-16
50000
原装现货
FAIRCHILD/仙童
2223+
SOP
26800
只做原装正品假一赔十为客户做到零风险

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