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| PartNumber | PIC16C642-04/SP | PIC16C642-04/SO | PIC16C642-04E/SO |
| Description | 8-bit Microcontrollers - MCU 7KB 176 RAM 22 I/O | 8-bit Microcontrollers - MCU 7KB 176 RAM 22 I/O | IC MCU 8BIT 7KB OTP 28SOIC |
| Manufacturer | Microchip | Microchip | Microchip Technology |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-28 | SOIC-28 | - |
| Series | PIC16(L)C64x | PIC16(L)C64x | PICR 16C |
| Core | PIC | PIC | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 4 MHz | 4 MHz | - |
| Program Memory Size | 7 kB | 7 kB | 7KB (4K x 14) |
| Data RAM Size | 176 B | 176 B | - |
| ADC Resolution | No ADC | No ADC | - |
| Number of I/Os | 33 I/O | 33 I/O | - |
| Operating Supply Voltage | 3 V to 6 V | 3 V to 6 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | Tube |
| Height | 3.3 mm | 2.31 mm | - |
| Length | 34.67 mm | 17.87 mm | - |
| Product | MCU | MCU | - |
| Program Memory Type | EPROM | EPROM | OTP |
| Width | 7.24 mm | 7.49 mm | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Data ROM Size | 176 B | 176 B | - |
| Data ROM Type | EPROM | EPROM | - |
| Interface Type | RS-232 | RS-232 | - |
| 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 | 15 | 27 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Supply Voltage Max | 6 V | 6 V | - |
| Supply Voltage Min | 4 V | 4 V | - |
| Tradename | PIC | PIC | - |
| Unit Weight | 0.147798 oz | 0.078125 oz | - |
| Moisture Sensitive | - | Yes | - |
| Package Case | - | - | 28-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | - | - | -40°C ~ 125°C (TA) |
| Supplier Device Package | - | - | 28-SOIC |
| Number of I O | - | - | 22 |
| Speed | - | - | 4MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | PIC |
| RAM Size | - | - | 176 x 8 |
| Peripherals | - | - | Brown-out Detect/Reset, LED, POR, WDT |
| Connectivity | - | - | - |
| Voltage Supply Vcc Vdd | - | - | 4 V ~ 6 V |
| Core Size | - | - | 8-Bit |
| Data Converters | - | - | - |
| Oscillator Type | - | - | External |