| PartNumber | MC14521BD | MC14521BCPG | MC14521BDG |
| Description | Multipliers / Dividers LOG CMOS OSILATR 24STAGE | IC OSCILLATOR 24STAGE 16DIP | Multipliers / Dividers LOG CMOS OSILATR 24STAGE |
| Manufacturer | ON Semiconductor | - | ON Semiconductor |
| Product Category | Multipliers / Dividers | - | Logic - Counters, Dividers |
| RoHS | N | - | - |
| Product | Divider | - | Divider |
| Logic Family | CMOS | - | CMOS |
| Operating Supply Voltage | 3 V to 18 V | - | 3 V to 18 V |
| Mounting Style | SMD/SMT | - | SMD/SMT |
| Package / Case | SOIC-16 | - | - |
| Brand | ON Semiconductor | - | - |
| Logic Type | Rate Multipliers, Frequency Dividers & Timers | - | Divide-by-2 |
| Product Type | Multipliers / Dividers | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.023492 oz | - | 0.023492 oz |
| Series | - | - | 4000B |
| Packaging | - | - | Tube Alternate Packaging |
| Package Case | - | - | SOIC-16 |
| Operating Temperature | - | - | -55°C ~ 125°C |
| Mounting Type | - | - | Surface Mount |
| Direction | - | - | - |
| Voltage Supply | - | - | 3 V ~ 18 V |
| Supplier Device Package | - | - | 16-SOIC |
| Number of Elements | - | - | 1 |
| Number of Bits per Element | - | - | 24 |
| Reset | - | - | Asynchronous |
| Timing | - | - | - |
| Count Rate | - | - | 12MHz |
| Trigger Type | - | - | Negative Edge |