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| PartNumber | PIC16C74A-20I/P | PIC16C74A-20I/PT | PIC16C74A-20I/PQ |
| Description | 8-bit Microcontrollers - MCU 7KB 192 RAM 33 I/O | 8-bit Microcontrollers - MCU 7KB 192 RAM 33 I/O | 8-bit Microcontrollers - MCU 7KB 192 RAM 33 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 | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | PDIP-40 | TQFP-44 | MQFP-44 |
| Series | PIC16(L)C7x | PIC16(L)C7x | PIC16(L)C7x |
| Core | PIC | PIC | PIC |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 192 B | 192 B | 192 B |
| ADC Resolution | 8 bit | 8 bit | 8 bit |
| Number of I/Os | 33 I/O | 33 I/O | 33 I/O |
| Operating Supply Voltage | 2.5 V to 6 V | 2.5 V to 6 V | 2.5 V to 6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Tray | Tray |
| Height | 3.81 mm | 1 mm | 2 mm |
| Length | 52.26 mm | 10 mm | 10 mm |
| Product | MCU | MCU | MCU |
| Program Memory Type | EPROM | EPROM | EPROM |
| Width | 13.84 mm | 10 mm | 10 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Data RAM Type | RAM | - | - |
| Data ROM Size | 192 B | 192 B | 192 B |
| Data ROM Type | OTP EPROM | OTP EPROM | OTP EPROM |
| Interface Type | I2C, SPI, USART | I2C, SPI, USART | I2C, SPI, USART |
| Number of ADC Channels | 8 | 8 | 8 |
| Number of Timers/Counters | 3 Timer | 3 Timer | 3 Timer |
| Processor Series | PIC16 | PIC16 | PIC16 |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 10 | 160 | 96 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 6 V | 6 V | 6 V |
| Supply Voltage Min | 4 V | 4 V | 4 V |
| Tradename | PIC | PIC | PIC |
| Unit Weight | 0.210004 oz | - | - |
| Moisture Sensitive | - | Yes | Yes |