| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | SN74LS668 | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS | 493K |
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| 2 | SN74LS668D | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS | 493K |
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| 3 | SN74LS668N | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS | 493K |
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| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | SN74LS668 | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS | 493K |
|
|
| 2 | SN74LS668D | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS | 493K |
|
|
| 3 | SN74LS668N | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS | 493K |
|
|