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 |
|---|---|---|---|---|---|---|---|
onsemi(安森美) |
25+ |
- |
22360 |
样件支持,可原厂排单订货! |
|||
onsemi(安森美) |
25+ |
- |
22412 |
正规渠道,免费送样。支持账期,BOM一站式配齐 |
|||
NS/国半 |
25+ |
NA |
880000 |
明嘉莱只做原装正品现货 |
|||
NS |
22+ |
DIP-16 |
8000 |
原装正品支持实单 |
|||
FAIRCHIL |
25+ |
DIP |
4500 |
全新原装、诚信经营、公司现货销售 |
|||
FAIRCHILD |
24+ |
DIP |
98 |
||||
DM74LS257BN |
25+ |
1301 |
1301 |
||||
FAIRCHILD |
17+ |
DIP16 |
6200 |
100%原装正品现货 |
|||
原厂正品 |
23+ |
SOP8 |
5000 |
原装正品,假一罚十 |
|||
FAIRCHILD/仙童 |
24+ |
DIP16 |
9600 |
原装现货,优势供应,支持实单! |
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DM74LS257BM规格书下载地址
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2012-11-9
DdatasheetPDF页码索引
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