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:2026-1-2 16:42:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
FAIRCHILD/仙童
22+
SOP
8000
原装正品支持实单
PHI
25+
SOP16
4500
全新原装、诚信经营、公司现货销售
25+
36
公司优势库存 热卖中!!
NSC
175
全新原装 货期两周
MOTOROLA/摩托罗拉
24+
S2
26970
郑重承诺只做原装进口现货
MOT
24+
SOP
5000
全新原装正品,现货销售
MOT
24+
5.2mm16
255
全新现货
NSC
17+
SOP8
6200
100%原装正品现货
恩XP
23+
SO16
5000
原装正品,假一罚十
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

SMD-74F257数据表相关新闻