位置：首页 > IC中文资料第1399页 > DM74LS257BN
| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
DM74LS257BN | 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 | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 |   | |
DM74LS257BN | TRI-STATE Quad 2-Data Selectors/Multiplexers 文件：163.7 Kbytes Page：8 Pages | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | | |
DM74LS257BN | 封装/外壳：16-DIP（0.300"，7.62mm） 包装：管件 描述：IC MULTIPLEXER 4 X 2:1 16DIP 集成电路（IC） 信号开关，多路复用器，解码器 | ONSEMI 安森美半导体 | | |
LOW POWER SCHOTTKY Quad 2-Input Multiplexer with 3-State Outputs The LSTTL/MSI SN74LS257B and the SN74LS258B 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) | ONSEMI 安森美半导体 | | ||
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 | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | | ||
Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs)
| HitachiHitachi Semiconductor 日立日立公司 | | ||
TRI-STATE Quad 2-Data Selectors/Multiplexers 文件：163.7 Kbytes Page：8 Pages | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | | ||
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 文件：661.04 Kbytes Page：16 Pages | TI 德州仪器 | |
| 替换型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
LOW POWER SCHOTTKY | ONSEMI 安森美半导体 | ONSEMI | | |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS | TI 德州仪器 | TI | | |
3-STATE Quad 2-Data Selectors/Multiplexers | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | Fairchild | | |
Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) | HitachiHitachi Semiconductor 日立日立公司 | Hitachi | | |
TRI-STATE Quad 2-Data Selectors/Multiplexers | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC | | |
Ouadruple 2-input Positive NAND Gates | HitachiHitachi Semiconductor 日立日立公司 | Hitachi | | |
Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs) | RENESAS 瑞萨 | RENESAS | | |
Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs) | HitachiHitachi Semiconductor 日立日立公司 | Hitachi | | |
Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs) | RENESAS 瑞萨 | RENESAS | | |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS | TI 德州仪器 | TI | | |
LOW POWER SCHOTTKY | ONSEMI 安森美半导体 | ONSEMI | | |
LOW POWER SCHOTTKY | ONSEMI 安森美半导体 | ONSEMI | | |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS | TI 德州仪器 | TI | | |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS | TI 德州仪器 | TI | | |
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS | Motorola 摩托罗拉 | Motorola | |
DM74LS257BN产品属性
- 类型
描述
- 型号
DM74LS257BN
- 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 |
|---|---|---|---|---|---|---|---|
FAIRCHILD/仙童 |
24+ |
NA/ |
1875 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
FAIRCHILD |
23+ |
DIP |
20000 |
全新原装假一赔十 |
|||
FAIRCHILD/仙童 |
1021+ |
DIP16 |
820 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
FAIRCHILD/仙童 |
25+ |
DIP |
35000 |
原装正品,假一罚十! |
|||
FAIRCHILD |
23+ |
DIP |
9526 |
||||
FAIRCHILD |
24+ |
DIP |
5000 |
仙童授权代理原装进口现货 |
|||
FAIRCHILD |
2018+ |
DIP16 |
11256 |
只做进口原装正品!假一赔十! |
|||
NSC |
23+ |
原装原封 |
8888 |
专做原装正品,假一罚百! |
|||
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 |
DM74LS257BN规格书下载地址
DM74LS257BN参数引脚图相关
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2012-11-9
DdatasheetPDF页码索引
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