| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
|---|
| 1 | CD74HC190NSR | COUNTER|UP/DOWN|DECADE|HC-CMOS|SOP|16PIN|PLASTIC | 293K |
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| 2 | CD74HC190NSR | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | 628K |
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| 3 | CD74HC190NSRE4 | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | 628K |
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