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| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
QUAD 2 CHANNEL MULTIPLEXER 3-STATE DESCRIPTION The 74VHC257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. ■ HIGH SPEED: tPD = 3.7ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C ■ HIGH NOISE I | STMICROELECTRONICS 意法半导体 |   | ||
QUAD 2 CHANNEL MULTIPLEXER 3-STATE DESCRIPTION The 74VHC257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. ■ HIGH SPEED: tPD = 3.7ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C ■ HIGH NOISE I | STMICROELECTRONICS 意法半导体 | | ||
QUAD 2 CHANNEL MULTIPLEXER 3-STATE DESCRIPTION The 74VHC257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. ■ HIGH SPEED: tPD = 3.7ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C ■ HIGH NOISE I | STMICROELECTRONICS 意法半导体 | | ||
QUAD 2 CHANNEL MULTIPLEXER 3-STATE DESCRIPTION The 74VHC257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. ■ HIGH SPEED: tPD = 3.7ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C ■ HIGH NOISE I | STMICROELECTRONICS 意法半导体 | | ||
QUAD 2 CHANNEL MULTIPLEXER 3-STATE DESCRIPTION The 74VHC257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. ■ HIGH SPEED: tPD = 3.7ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA=25°C ■ HIGH NOISE I | STMICROELECTRONICS 意法半导体 | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
SGSTHOMSONMICROELECTRONI |
新 |
920 |
全新原装 货期两周 |
||||
ST |
23+ |
ST-2017 |
16900 |
正规渠道,只有原装! |
|||
STMicroelectronics |
18+ |
ICMUXQUAD2CHAN3-STATE16S |
6580 |
公司原装现货 |
|||
FAIRCHILD/仙童 |
23+ |
SOP3.9 |
6500 |
专注配单,只做原装进口现货 |
|||
SMD |
2447 |
SMD |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
|||
STM |
24+ |
5000 |
|||||
FAI |
24+ |
SMD |
20000 |
一级代理原装现货假一罚十 |
|||
TOS |
25+ |
20-TSSOP |
4500 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
|||
TOSHIBA/东芝 |
21+ |
TSSOP-20 |
20000 |
优势供应 实单必成 可开13点增值税 |
|||
TOSHIBA |
24+ |
VSSOP |
6430 |
原装现货/欢迎来电咨询 |
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MC74VHC257AD规格书下载地址
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MC7660是引脚兼容的替代工业标准ICL7660电荷泵电压转换器。它转换成+1.5 V的+10 V输入相应的- 1.5V至- 10V的输出，只用两个低成本电容器，消除了电感器和其相关的成本，尺寸和EMI。板上振荡器工作在标称频率为10kHz。低于10kHz的操作（更低的电源电流的应用）可以通过连接一个外部电容从OSC接地（针1个开放式）。MC7660是在一个8引脚SOIC封装，可在扩展温度范围。 特点 •转换成+5 V电源，5V电源 •宽输入电压范围：1.5V至10V •高效的电压转换：99.9
2012-12-21
DdatasheetPDF页码索引
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