PIC16F18446-E/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16F18446-E/SO is an 8-bit PIC microcontroller running up to 32 MHz with integrated ADC, XLP low-power technology, and a 20-pin SOIC package. It operates from 1.8 V to 5.5 V, making it suitable for battery-powered and cost-sensitive embedded designs. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18446-E/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3700(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32 MHz maximum CPU clock with XLP eXtreme Low Power technology for energy-efficient embedded applications
- Integrated 12-bit ADC with computation engine (ADC2) supporting oversampling and averaging for precision measurements
- Wide operating voltage range of 1.8 V to 5.5 V enabling compatibility with 3.3 V and 5 V system rails
Applications
The PIC16F18446-E/SO suits battery-operated IoT sensor nodes, home appliance control panels, and motor control systems where an 8-bit MCU with up to 32 MHz performance is required at minimal BOM cost. Its integrated 12-bit ADC with computation engine simplifies analog front-end design for temperature sensors, pressure transducers, and capacitive touch interfaces. Industrial automation equipment and consumer wearables benefit from its XLP low-power modes that extend battery life while operating from 1.8 V to 5.5 V supply rails.
Specifications
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 7Weeks |
| Date Of Intro | 2017-12-21 |
| YTEOL | 19 |
| Has ADC | YES |
| Additional Feature | IT ALSO OPERATES AT 2.3V MIN AT 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 1 |
| Number of Timers | 9 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 4.8mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F18446-E/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
Frequently Asked Questions
What is the maximum clock speed of the PIC16F18446-E/SO and how does it affect real-time control tasks?
The PIC16F18446-E/SO operates at up to 32 MHz, providing sufficient processing throughput for real-time control loops in motor drivers, HVAC controllers, and sensor acquisition tasks. At 32 MHz with its single-cycle instruction architecture, the PIC16 core executes approximately 8 million instructions per second (8 MIPS), enabling responsive PWM generation and ADC sampling in cost-sensitive embedded applications.
How does the XLP low-power mode in the PIC16F18446-E/SO extend battery life in IoT designs?
The PIC16F18446-E/SO's XLP (eXtreme Low Power) technology reduces sleep-mode current to as low as 50 nA at 1.8 V, making it suitable for coin-cell or AA battery-powered IoT sensor nodes that need years of operation between battery changes. Its multiple low-power oscillator options and peripheral retention in sleep mode allow the device to wake on interrupt from sensors while keeping average current well below 1 µA in duty-cycled applications.
Which communication interfaces does the PIC16F18446-E/SO support for sensor and peripheral connectivity?
The PIC16F18446-E/SO integrates multiple serial interfaces including EUSART, SPI, and I2C, along with a 12-bit ADC with 20 channels and a 5-bit DAC. This combination supports direct connection to I2C temperature sensors, SPI display modules, and analog sensors without external interface ICs, reducing BOM complexity for designs targeting the 20-pin SOIC footprint in space-constrained applications.
Is the PIC16F18446-E/SO a suitable drop-in for older PIC16F1 series devices in existing SOIC-20 designs?
The PIC16F18446-E/SO is pin-compatible with many PIC16F1 series 20-pin SOIC devices and offers enhanced peripherals compared to older family members, including a 12-bit ADC2 versus 10-bit ADC on earlier parts, and additional Configurable Logic Cell (CLC) modules. Designers migrating from PIC16F1823 or similar 20-pin parts gain improved analog resolution and additional digital logic resources while retaining the same 20-pin SOIC-20 footprint and 1.8 V to 5.5 V supply compatibility.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.9700 | $1.97 |
| 5+ | $1.9100 | $9.55 |
| 25+ | $1.7400 | $43.50 |
| 100+ | $1.5700 | $157.00 |
| 1000+ | $1.4400 | $1440.00 |
| 5000+ | $1.3700 | $6850.00 |
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