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Datasheet 74139 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 3 | 74139 | T1/CEPT/ISDN-PRI Dual Transformer oH V SC AV ER OM AI SIO PL LA N IA BL S NT E
Features
■ Surface mount
Applications
■ Telecom
SM 741 YYW W 39
*R
■ Dual transformer for transmit and receive ■ 1500 VAC HIPOT ■ Lead free version available (see How to
Order)
■ Lead free versions are RoHS compliant*
SM74139 - T1/CEPT/ |
 Bourns Electronic Solutions |
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| 2 | 74139 | Dual 2 to 4 Demultiplexers |
 ETC |
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| 1 | 74139 | Dual Line 2-4 decoder 54139/74139
双 2 线－4 线译码器 简要说明：
139 为两个 2 线－4 线译码器，共有 54/74S139 和 54/74LS139 两种线路结构型式， 其主要电特性的典型值如下：
型号 CT54S139/CT74S139 CT54LS139/CT74LS139
Tpd (AB->Y)(3 级) 7.5ns 22ns
PD 300mW 34mW
当选通端 |
 San Mao electronic |
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