8-bit RISC microcontroller featuring 14KB OTP memory and 368B RAM. Operates at up to 4MHz with an 8-bit data bus. Supports I2C, SPI, and USART/UART interfaces. Includes 22 programmable I/Os, 3 timers/counters, and peripherals like Brown-out Detect, POR, PWM, and WDT. Packaged in a 28-pin SOIC, operating from 4V to 6V, with an extended temperature range of -40°C to 85°C.
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Microchip PIC16C66-04I/SO technical specifications.
| Access Time | 4us |
| Package/Case | SOIC |
| Core Architecture | PIC |
| Data Bus Width | 8b |
| Frequency | 4MHz |
| Interface | I2C, SPI, USART, UART |
| Lead Free | Lead Free |
| Max Frequency | 4MHz |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 1W |
| Max Supply Voltage | 6V |
| Memory Size | 14KB |
| Memory Type | OTP |
| Min Supply Voltage | 4V |
| Number of I/Os | 22 |
| Number of Programmable I/O | 22 |
| Number of Timers/Counters | 3 |
| Operating Supply Voltage | 5V |
| Oscillator Type | External |
| Package Quantity | 27 |
| Packaging | Rail/Tube |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, I2C |
| Radiation Hardening | No |
| RAM Size | 368B |
| RoHS Compliant | Yes |
| Series | PIC® 16C |
| Watchdog Timer | Yes |
| RoHS | Compliant |
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