| Part Number | MC14520BCPG | MC14521BCPG | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Logic - Counters, Dividers | Logic - Counters, Dividers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Logic Type | Binary Counter | Divide-by-2 | 
| Direction | Up | - | 
| Number of Elements | 2 | 1 | 
| Number of Bits per Element | 4 | 24 | 
| Reset | Asynchronous | Asynchronous | 
| Timing | Synchronous | - | 
| Count Rate | 8 MHz | 12 MHz | 
| Trigger Type | Positive, Negative | Negative Edge | 
| Voltage - Supply | 3 V ~ 18 V | 3 V ~ 18 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-PDIP | 16-PDIP |