| Part Number | HEF4520BT |
| Description | IC COUNTER DUAL BINARY 16-SOIC |
| Manufacturer | NXP Semiconductors |
| Logic Type | Binary Counter |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Reset | Asynchronous |
| Timing | Asynchronous |
| Count Rate | 40MHz |
| Trigger Type | Positive, Negative |
| Voltage - Supply | 4.5 V ~ 15.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) |
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