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| PartNumber | PIC16C621A-20E/SO | PIC16C621A-20E/SS | PIC16C621A-20E/P |
| Description | 8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O | 8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O | IC MCU 8BIT 1.75KB OTP 18DIP |
| Manufacturer | Microchip | Microchip | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-18 | SSOP-20 | - |
| Series | PIC16(L)C62x | PIC16(L)C62x | - |
| Core | PIC | PIC | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 40 MHz | 40 MHz | - |
| Program Memory Size | 1 kB | 1 kB | - |
| Data RAM Size | 96 B | 96 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 13 I/O | 13 I/O | - |
| Operating Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Tube | Tube | - |
| Height | 2.05 mm | 1.75 mm | - |
| Length | 11.55 mm | 7.2 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | EPROM | EPROM | - |
| Width | 7.5 mm | 5.3 mm | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Data ROM Size | 96 B | 96 B | - |
| Data ROM Type | EPROM | EPROM | - |
| Number of Timers/Counters | 8 Timer | 8 Timer | - |
| Processor Series | PIC16 | PIC16 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 42 | 67 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.5 V | 2.5 V | - |
| Tradename | PIC | PIC | - |
| Unit Weight | 0.007408 oz | 0.016000 oz | - |