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| Part Number | PIC16F631-E/P | PIC16F631-I/P | PIC16F636-E/P | PIC16F639-E/P | PIC16F630-E/P |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Obsolete | Active |
| Core Processor | PIC | PIC | PIC | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz |
| Connectivity | - | - | - | - | - |
| Peripherals | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, LVD, POR, WDT | Brown-out Detect/Reset, LVD, POR, WDT | Brown-out Detect/Reset, POR, WDT |
| Number of I/O | 18 | 18 | 11 | 11 | 12 |
| Program Memory Size | 1.75KB (1K x 14) | 1.75KB (1K x 14) | 3.5KB (2K x 14) | 3.5KB (2K x 14) | 1.75KB (1K x 14) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | 128 x 8 | 128 x 8 | - | - | 128 x 8 |
| RAM Size | 64 x 8 | 64 x 8 | 128 x 8 | 128 x 8 | 64 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 5.5V | 2V ~ 3.6V | 2V ~ 5.5V |
| Data Converters | - | - | - | - | - |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP | 20-PDIP | 14-PDIP | 20-PDIP | 14-PDIP |
