位置：首页 > IC中文资料第1399页 > DM74LS257BM
| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
DM74LS257BM | 3-STATE Quad 2-Data Selectors/Multiplexers General Description These Schottky-clamped high-performance multiplexers feature 3-STATE outputs that can interface directly with data lines of bus-organized systems. With all but one of the common outputs disabled (at a high impedance state), the low impedance of the single enabled output will d | FAIRCHILD 仙童半导体 |   | |
DM74LS257BM | TRI-STATE Quad 2-Data Selectors/Multiplexers 文件：163.7 Kbytes Page：8 Pages | NSC 国半 | | |
TRI-STATE Quad 2-Data Selectors/Multiplexers 文件：163.7 Kbytes Page：8 Pages | NSC 国半 | | ||
TRI-STATE Quad 2-Data Selectors/Multiplexers 文件：163.7 Kbytes Page：8 Pages | NSC 国半 | | ||
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS The LSTTL/MSI SN54/74LS257B and the SN54/74LS258B are Quad 2-Input Multiplexers 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 | MOTOROLA 摩托罗拉 | | ||
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS The LSTTL/MSI SN54/74LS257B and the SN54/74LS258B are Quad 2-Input Multiplexers 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 | MOTOROLA 摩托罗拉 | |
DM74LS257BM产品属性
- 类型
描述
- 型号
DM74LS257BM
- 功能描述
编码器、解码器、复用器和解复用器 3-STATE Data Sel/Mul
- RoHS
否
- 制造商
Micrel
- 产品
Multiplexers
- 逻辑系列
CMOS
- 线路数量（输入/输出）
2/12
- 传播延迟时间
350 ps, 400 ps
- 电源电压-最大
2.625 V, 3.6 V
- 电源电压-最小
2.375 V, 3 V
- 最大工作温度
+ 85 C
- 安装风格
SMD/SMT
- 封装/箱体
QFN-44
- 封装
Tray
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
NS/国半 |
25+ |
NA |
880000 |
明嘉莱只做原装正品现货 |
|||
FAIRCHILD/仙童 |
24+ |
DIP16 |
9600 |
原装现货,优势供应,支持实单! |
|||
FSC |
23+ |
SOP-16 |
3800 |
全新原装正品现货,支持订货 |
|||
FSC |
23+ |
DIP |
8650 |
受权代理!全新原装现货特价热卖! |
|||
FAIRCHILD |
2001 |
DIP |
98 |
原装现货海量库存欢迎咨询 |
|||
NS |
2023+ |
5800 |
进口原装,现货热卖 |
||||
2023+ |
3000 |
进口原装现货 |
|||||
TI/德州仪器 |
23+ |
SOIC-16 |
50000 |
全新原装正品现货,支持订货 |
|||
FAIRCHILD |
24+ |
DIP |
98 |
||||
FAIRCHILD |
24+ |
DIP |
5000 |
仙童授权代理原装进口现货 |
DM74LS257BM芯片相关品牌
DM74LS257BM规格书下载地址
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2012-11-9
DdatasheetPDF页码索引
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