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| Part Number | PIC16F873A-E/ML | PIC16F873A-I/ML | PIC16F876A-E/ML | PIC16F874A-E/ML | PIC16F873AT-E/ML |
|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Obsolete | Obsolete |
| 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 | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 22 | 22 | 22 | 33 | 22 |
| Program Memory Size | 7KB (4K x 14) | 7KB (4K x 14) | 14KB (8K x 14) | 7KB (4K x 14) | 7KB (4K x 14) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | 128 x 8 | 128 x 8 | 256 x 8 | 128 x 8 | 128 x 8 |
| RAM Size | 192 x 8 | 192 x 8 | 368 x 8 | 192 x 8 | 192 x 8 |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 5.5V | 4V ~ 5.5V | 4V ~ 5.5V | 4V ~ 5.5V | 4V ~ 5.5V |
| Data Converters | A/D 5x10b | A/D 5x10b | A/D 5x10b | A/D 8x10b | A/D 5x10b |
| Oscillator Type | External | External | External | External | External |
| 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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-VQFN Exposed Pad | 28-VQFN Exposed Pad | 28-VQFN Exposed Pad | 44-VQFN Exposed Pad | 28-VQFN Exposed Pad |
| Supplier Device Package | 28-QFN (6x6) | 28-QFN (6x6) | 28-QFN (6x6) | 44-QFN (8x8) | 28-QFN (6x6) |
