| Part Number | HCF4518BEY | HCF4018BEY |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Logic - Counters, Dividers | Logic - Counters, Dividers |
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| Product Status | Obsolete | Obsolete |
| Logic Type | BCD Counter | Divide-by-N |
| Direction | Up | Up |
| Number of Elements | 2 | 1 |
| Number of Bits per Element | 4 | 5 |
| Reset | Asynchronous | Asynchronous |
| Timing | Synchronous | - |
| Count Rate | 8 MHz | 17 MHz |
| Trigger Type | Positive, Negative | Positive Edge |
| Voltage - Supply | 3 V ~ 20 V | 3 V ~ 20 V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP | 16-DIP |