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:2025-11-3 23:10:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NS
2023+
SOP-16
50000
原装现货
onsemi(安森美)
24+
PDIP16
924
只做原装,提供一站式配单服务,代工代料。BOM配单
NS
24+
NA/
2500
优势代理渠道,原装正品,可全系列订货开增值税票
FAIRCHI
24+
SOP16
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
TI/德州仪器
25+
SOP3.9
32360
TI/德州仪器全新特价74F257ASCX即刻询购立享优惠#长期有货
PHI
18+
SO16
19677
全新原装现货,可出样品,可开增值税发票
PHI
23+
DIP-16
6800
只做原装正品假一赔十为客户做到零风险!!
MOT
24+
SMD
20000
一级代理原装现货假一罚十
MOTOROLA/摩托罗拉
24+
DIP-16
349
大批量供应优势库存热卖
SOP-16
23+
NA
15659
振宏微专业只做正品,假一罚百!

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