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| Part Number | HCF4018BEY | HCF4518BEY | HCF4017BEY |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete |
| Logic Type | Divide-by-N | BCD Counter | Counter, Decade |
| Direction | Up | Up | Up |
| Number of Elements | 1 | 2 | 1 |
| Number of Bits per Element | 5 | 4 | 10 |
| Reset | Asynchronous | Asynchronous | Asynchronous |
| Timing | - | Synchronous | - |
| Count Rate | 17 MHz | 8 MHz | 11 MHz |
| Trigger Type | Positive Edge | Positive, Negative | Positive Edge |
| 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 |
