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| PartNumber | PIC16C621A-20I/SS | PIC16C621A-20I/P | PIC16C621A-20I/SO |
| Description | 8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O | 8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O | 8-bit Microcontrollers - MCU 1.75KB 96 RAM 13 I/O |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SSOP-20 | PDIP-18 | SOIC-18 |
| Series | PIC16(L)C62x | PIC16(L)C62x | PIC16(L)C62x |
| Core | PIC | PIC | PIC |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 40 MHz | 40 MHz | 40 MHz |
| Program Memory Size | 1 kB | 1 kB | 1 kB |
| Data RAM Size | 96 B | 96 B | 96 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 13 I/O | 13 I/O | 13 I/O |
| Operating Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tube | Tube |
| Height | 1.75 mm | 3.3 mm | 2.31 mm |
| Length | 7.2 mm | 22.86 mm | 11.53 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | EPROM | EPROM | EPROM |
| Width | 5.3 mm | 6.35 mm | 7.49 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data ROM Size | 96 B | 96 B | 96 B |
| Data ROM Type | EPROM | EPROM | EPROM |
| Number of Timers/Counters | 8 Timer | 8 Timer | 8 Timer |
| Processor Series | PIC16 | PIC16 | PIC16 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 67 | 25 | 42 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 6 V | 5.5 V |
| Supply Voltage Min | 2.5 V | 2.5 V | 2.5 V |
| Tradename | PIC | PIC | PIC |
| Unit Weight | 0.016000 oz | 0.044801 oz | 0.007408 oz |