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| Part Number | MC14521BCPG | MC14526BCPG | MC14520BCPG | 
|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | 
| Product Status | Obsolete | Obsolete | Obsolete | 
| Logic Type | Divide-by-2 | Binary Counter | Binary Counter | 
| Direction | - | Down | Up | 
| Number of Elements | 1 | 1 | 2 | 
| Number of Bits per Element | 24 | 4 | 4 | 
| Reset | Asynchronous | Asynchronous | Asynchronous | 
| Timing | - | - | Synchronous | 
| Count Rate | 12 MHz | 6.6 MHz | 8 MHz | 
| Trigger Type | Negative Edge | Positive, Negative | Positive, Negative | 
| Voltage - Supply | 3 V ~ 18 V | 3 V ~ 18 V | 3 V ~ 18 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-PDIP | 16-PDIP | 16-PDIP |