| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | M74HC643B1R | OCTAL BUS TRANSCEIVER 3-STATE: HC245 NON INVERTING HC640 INVERTING, HC643 INVERTING/NON INVERTING | 273K |
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| 2 | M74HC643B1R | OCTAL BUS TRANSCEIVER WITH 3 STATE OUTPUTS INVERTING/NON INVERTING | 346K |
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