| Technical/Catalog Information | PIC18F2539-E/SO |
| Vendor | Microchip Technology |
| Category | Integrated Circuits (ICs) |
| Program Memory Size | 24KB (12K x 16) |
| RAM Size | 1408 x 8 |
| Number of I /O | 21 |
| Package / Case | 28-SOIC (7.5mm Width) |
| Speed | 40MHz |
| Controller Series | PIC18F |
| Oscillator Type | Internal |
| Packaging | Tube |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| Core Processor | PIC |
| Data Converters | A/D 5x10b |
| Core Size | 8-Bit |
| Operating Temperature | -40°C ~ 125°C |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 4.2 V ~ 5.5 V |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | PIC18F2539 E SO
PIC18F2539ESO
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