| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
DM74LS257 | 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 |   | |
DM74LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers 文件：163.7 Kbytes Page：8 Pages | NSC 国半 | | |
DM74LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers | TI 德州仪器 | | |
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 | | ||
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 | | ||
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 | | ||
TRI-STATE(RM) Quad 2-Data Selectors/Multiplexers 文件：413.55 Kbytes Page：10 Pages | TI 德州仪器 | | ||
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 | | ||
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 | | ||
IC SELECTOR/MUX QUAD 2INP 16-DIP | ONSEMI 安森美半导体 | | ||
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 | |
| 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 | FAIRCHILD 仙童半导体 | 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 | NSC 国半 | 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 | |
DM74LS257产品属性
- 类型
描述
- 电路：
4 x 2：1
- 独立电路：
1
- 电流 - 输出高，低：
2.6mA，24mA
- 电压源：
单电源
- 电压 - 电源：
4.75 V ~ 5.25 V
- 工作温度：
0°C ~ 70°C
- 安装类型：
通孔
- 封装/外壳：
16-DIP（0.300\，7.62mm）
- 供应商器件封装：
16-PDIP
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
FAIRCHILD |
2001 |
DIP |
98 |
原装现货海量库存欢迎咨询 |
|||
NAT |
2015+ |
SOP |
19889 |
一级代理原装现货,特价热卖! |
|||
NS |
22+ |
DIP-16 |
5000 |
只做原装鄙视假货15118075546 |
|||
NSC |
23+ |
原装原封 |
8888 |
专做原装正品,假一罚百! |
|||
FAIRCHILD |
24+ |
DIP |
5000 |
仙童授权代理原装进口现货 |
|||
NS/国半 |
25+ |
NA |
880000 |
明嘉莱只做原装正品现货 |
|||
FAIRCHILD |
2023+ |
SMD |
2056 |
安罗世纪电子只做原装正品货 |
|||
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 |
DM74LS257芯片相关品牌
DM74LS257规格书下载地址
DM74LS257参数引脚图相关
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- DM7495N
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- DM7485
- DM7476W
- DM7476N
- DM7476
- DM7475
- DM7474N
- DM7474M
- DM7474
- DM7473N
DM74LS257数据表相关新闻
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2020-7-10DM74LS241WM，DM74LS241WMX，DM74LS243N，DM74LS244N，DM74LS244SJX，DM74LS245N，DM74LS245SJX，DM74LS251M，DM74LS251MX，DM74LS251N，DM74LS253MX，DM74LS257BMX，DM74LS221MX，DM74LS221SJ，DM74LS221
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2019-12-18DM74AS169AN，P6KE200AT/B，UEP1H220MPD1TD，DM9328N，1N5232B(T50A)，LS3360L，LT1E53A，MC14511BDWR2，SMA020450100R1%A2，SAA1064T，DM74AS257M
DM74AS169AN，P6KE200AT/B，UEP1H220MPD1TD，DM9328N，1N5232B(T50A)，LS3360L，LT1E53A，MC14511BDWR2，SMA020450100R1%A2，SAA1064T，DM74AS257M
2019-12-8DM74ALS04BM-六反相器
DM74ALS04BM-六反相器，此装置包含6个独立的门，其中每个执行反向功能的逻辑。 特点 开关规格为50 pF 在整个温度开关规格保证和VCC范围 高级氧化隔离，离子注入肖特基TTL过程 功能和引脚对引脚兼容与肖特基和低功耗肖特基TTL对口 改进的AC性能超过肖特基二极管和低功耗肖特基同行 DM74ALS04BM：M14A 14引脚小外形集成电路（SOIC）,JEDEC MS- 012,0.150窄 DM74ALS04BSJ: M14D 14引脚小外形封装（SOP），
2012-11-9
DdatasheetPDF页码索引
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