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| Part Number | HCF4510BEY | HCF4520BEY | HCF4518BEY |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete |
| Logic Type | BCD Counter | Binary Counter | BCD Counter |
| Direction | Up, Down | Up | Up |
| Number of Elements | 1 | 2 | 2 |
| Number of Bits per Element | 4 | 4 | 4 |
| Reset | Asynchronous | Asynchronous | Asynchronous |
| Timing | Synchronous | - | Synchronous |
| Count Rate | 11 MHz | 8 MHz | 8 MHz |
| Trigger Type | Positive Edge | Positive, Negative | Positive, Negative |
| Voltage - Supply | 3 V ~ 20 V | 3 V ~ 20 V | 3 V ~ 20 V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP | 16-DIP | 16-DIP |
