| Part Number | CD4520BM | CD4521BM |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | Logic - Counters, Dividers | Logic - Counters, Dividers |
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| Product Status | Active | Active |
| 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 | 13 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 | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC |