規格
| 屬性 | 價值 |
| Supplier | onsemi |
| Package / Case | Tube |
| Series | 74LS |
| Part Status | Obsolete |
| Logic Type | Binary Counter |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Count Rate | 25 MHz |
| Trigger Type | Negative Edge |
| Voltage - Supply | 4.75 V ~ 5.25 V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
