| Part Number | PIC16HV540-04/SO | PIC16HV540-04I/SO | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Active | 
| Core Processor | PIC | PIC | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 4MHz | 4MHz | 
| Connectivity | - | - | 
| Peripherals | Brown-out Detect/Reset, POR, WDT | Brown-out Detect/Reset, POR, WDT | 
| Number of I/O | 12 | 12 | 
| Program Memory Size | 768B (512 x 12) | 768B (512 x 12) | 
| Program Memory Type | OTP | OTP | 
| EEPROM Size | - | - | 
| RAM Size | 25 x 8 | 25 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 15V | 3.5V ~ 15V | 
| Data Converters | - | - | 
| Oscillator Type | External | External | 
| Operating Temperature | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 18-SOIC (0.295", 7.50mm Width) | 18-SOIC (0.295", 7.50mm Width) | 
| Supplier Device Package | 18-SOIC | 18-SOIC |