| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | MEH74XAA | 8 pin DIP, 5.0 Volt, ECL, PECL, Clock Oscillators | 222K |
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| 2 | MEH74XAA | 8 pin DIP, 5.0 Volt, ECL, PECL, Clock Oscillators | 253K |
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| 3 | MEH74XAA | 8 pin DIP, 5.0 Volt, ECL, PECL, Clock Oscillators | 254K |
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| 4 | MEH74XAA-R | 8 pin DIP, 5.0 Volt, ECL, PECL, Clock Oscillators | 253K |
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| 5 | MEH74XAA-R | 8 pin DIP, 5.0 Volt, ECL, PECL, Clock Oscillators | 254K |
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