Microchip Technology PIC16F18446-I/P
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | PIC® XLP™ 16F, Functional Safety (FuSa) |
| Packaging | Tube | |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Speed | 32MHz |
| Connectivity | EUSART, I2C, LINbus, MSSP, SMBus/PMBus, RS-232, RS-485, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 18 |
| Program Memory Size | 28KB (16K x 14) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.3V ~ 5.5V |
| Data Converters | A/D 17x12b; D/A 1x5b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Through Hole |
| Supplier Device Package | 20-PDIP |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| ROHS |  |
The Microchip PIC16F18446-I/P is an 8-bit PIC microcontroller in a 20-pin DIP package. It operates at 32MHz with 28KB flash and 2KB RAM. Designed for -40°C to 125°C, it includes PWM, brown-out reset, and POR, making it a robust choice for harsh environments.
- Extended temperature range (-40°C to 125°C) – reliable in extreme conditions.
- Large 28KB flash – supports complex firmware without external memory.
- Through-hole DIP package – easy to prototype and repair.
- Integrated watchdog and brown-out reset – enhances system stability.
High-Temperature Industrial Sensors
Rated to 125°C, it can operate in engine compartments or furnace control systems.
Prototyping and Education
The DIP package allows easy breadboarding for students learning embedded control.
HVAC Controllers
32MHz speed and 28KB flash handle complex thermostat algorithms and fan control.
Agricultural Automation
Robust temperature range and PWM outputs drive irrigation valves and motorized actuators.
Power Supply Management
Brown-out detection ensures safe shutdown in switch-mode power supplies.
White Goods Appliances
Reliable operation in washing machines or dishwashers with extended temperature demands.
- Q: What is the operating temperature range?
- A: -40°C to 125°C, suitable for extreme environments.
- Q: What is the maximum speed?
- A: 32MHz.
- Q: How much flash memory is included?
- A: 28KB (16K x 14).
- Q: What package is this?
- A: 20-DIP (0.300", 7.62mm) for through-hole prototyping.
- Q: Does it support low-power modes?
- A: Yes, it has multiple sleep modes and a watchdog timer.
Base Product Number ：
PIC16F18446
PIC16F18446-I/P.pdf
- Q: What is the operating temperature range?
- A: -40°C to 125°C, suitable for extreme environments.
- Q: What is the maximum speed?
- A: 32MHz.
- Q: How much flash memory is included?
- A: 28KB (16K x 14).
- Q: What package is this?
- A: 20-DIP (0.300", 7.62mm) for through-hole prototyping.
- Q: Does it support low-power modes?
- A: Yes, it has multiple sleep modes and a watchdog timer.
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