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| Part Number | PIC16F721-I/SS | PIC16F726-I/SS | PIC16F722-I/SS | PIC16F721T-I/SS | PIC16F723-I/SS | PIC16F72-I/SS | PIC16F720-I/SS | PIC16F721-E/SS | PIC16F721-I/SO |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Core Processor | PIC | PIC | PIC | PIC | PIC | PIC | PIC | PIC | PIC |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 16MHz | 20MHz | 20MHz | 16MHz | 20MHz | 20MHz | 16MHz | 16MHz | 16MHz |
| Connectivity | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI, UART/USART | I²C, SPI | 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 | 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 | 17 | 25 | 25 | 17 | 25 | 22 | 17 | 17 | 17 |
| Program Memory Size | 7KB (4K x 14) | 14KB (8K x 14) | 3.5KB (2K x 14) | 7KB (4K x 14) | 7KB (4K x 14) | 3.5KB (2K x 14) | 3.5KB (2K x 14) | 7KB (4K x 14) | 7KB (4K x 14) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | - | - | - | - |
| RAM Size | 256 x 8 | 368 x 8 | 128 x 8 | 256 x 8 | 192 x 8 | 128 x 8 | 128 x 8 | 256 x 8 | 256 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 4V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Data Converters | A/D 12x8b | A/D 11x8b | A/D 11x8b | A/D 12x8b | A/D 11x8b | A/D 5x8b | A/D 12x8b | A/D 12x8b | A/D 12x8b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | External | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 28-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.209", 5.30mm Width) | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SSOP | 28-SSOP | 28-SSOP | 20-SSOP | 28-SSOP | 28-SSOP | 20-SSOP | 20-SSOP | 20-SOIC |
