PIC16F18857-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC16F18857-I/ML is an 8-bit PIC16 microcontroller with 56 KB Flash, 4 KB RAM, 256 bytes EEPROM, and up to 32 MHz clock in a 28-pin QFN package. It includes DAC, ADC, CLC, and multiple serial peripherals for sensor-driven designs. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18857-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3500(MOQ 5)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 56 KB Flash and 4 KB RAM provide ample code and data space for sensor fusion algorithms in a compact 28-pin QFN-28 package
- On-chip 8-bit DAC and 10-bit ADC enable closed-loop analog control without external converter ICs
- Configurable Logic Cell (CLC) allows hardware-level signal routing and glue logic, reducing external gate count
- 32 MHz internal oscillator with 2.3 V minimum supply at 16 MHz enables low-power battery-operated operation
Applications
The PIC16F18857-I/ML targets smart sensor nodes, IoT edge devices, and low-power home appliance controls that need both analog conditioning and digital processing in a compact QFN-28 footprint. The combination of on-chip DAC, 10-bit ADC, and Configurable Logic Cells makes it suitable for motor soft-start circuits, thermostat controllers, and HVAC fan-speed regulators. Its 32 MHz clock and rich serial peripheral set also support UART-based wireless module interfacing in wireless sensor network designs.
Specifications
| Manufacturer Package Code | VQFN-28 |
| Factory Lead Time | 3Weeks |
| YTEOL | 7 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES WITH 2.3V MIN@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 | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 4 |
| Number of I/O Lines | 25 |
| Number of Serial I/Os | 1 |
| Number of Timers | 11 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.24SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE, HEAT SINK/SLUG |
| RAM (bytes) | 4096 |
| ROM (words) | 57344 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 4.25mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How much non-volatile memory does the PIC16F18857-I/ML provide, and can it store calibration data?
The PIC16F18857-I/ML provides 56 KB of Flash program memory and 256 bytes of on-chip EEPROM for non-volatile data storage. The EEPROM is ideal for storing sensor calibration coefficients, configuration parameters, and factory trim values that must survive power-down cycles without an external memory device.
What is the minimum supply voltage for reliable operation of PIC16F18857-I/ML?
The PIC16F18857-I/ML operates down to 2.3 V at clock frequencies up to 16 MHz, making it compatible with two-cell AA battery supplies that droop below 3 V as they discharge. Full 32 MHz performance requires at least 2.5 V, so designers targeting maximum clock speed should plan for a regulated 3.3 V or 5 V rail.
Which industrial sensor interface scenarios benefit most from the PIC16F18857-I/ML's Configurable Logic Cell?
The 4-cell Configurable Logic Cell (CLC) block can implement combinational and sequential logic between peripheral outputs without CPU intervention. In industrial scenarios, CLCs can debounce encoder signals, gate PWM outputs based on fault flags, or create custom state machines for flow-meter pulse counting—tasks that would otherwise consume CPU cycles or require external 74HC logic gates.
How does PIC16F18857-I/ML compare to PIC16F18856 for a design requiring more Flash?
PIC16F18857-I/ML carries 56 KB Flash versus 28 KB Flash on the PIC16F18856, both in pin-compatible QFN-28 packages. If firmware exceeds 28 KB—common in devices with large lookup tables or protocol stacks—the 18857 variant doubles available code space with no PCB redesign. RAM and peripheral counts remain identical at 4 KB and 256 bytes EEPROM.
What serial communication peripherals are available on PIC16F18857-I/ML for connecting external modules?
The PIC16F18857-I/ML integrates 2 MSSP (SPI/I2C) modules and 2 EUSART ports, supporting simultaneous connections to SPI display drivers, I2C sensors, and dual UART wireless modules such as Bluetooth or LoRa transceivers. The MSSP can operate in both master and slave SPI modes up to Fosc/4, which at 32 MHz equals 8 MHz SPI clock.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $1.9900 | $9.95 |
| 25+ | $1.8600 | $46.50 |
| 50+ | $1.7700 | $88.50 |
| 100+ | $1.5400 | $154.00 |
| 1000+ | $1.4200 | $1420.00 |
| 5000+ | $1.3500 | $6750.00 |
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