規格
| 屬性 | 價值 |
| Supplier | Rochester Electronics, LLC |
| Package / Case | Bulk |
| Series | 74HC |
| Part Status | Active |
| Logic Type | Binary Counter |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Count Rate | 50 MHz |
| Trigger Type | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
