PIC16LF1939-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
PIC16LF1939-I/ML is an 8-bit PIC16 microcontroller by Microchip with 28 KB Flash memory operating at 2.5 V to 3.3 V. Key specs: up to 32 MHz clock frequency, integrated ADC and DAC channels, and a compact 44-pin QFN package. Available with worldwide shipping for low-power embedded control applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC16LF1939-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1800(MOQ 25)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC16LF1939-I/ML?
- 28 KB Flash memory with 8-bit PIC16 core running at up to 32 MHz for responsive embedded control
- Integrated ADC and DAC channels enable direct analog signal acquisition and generation without external components
- Low-voltage 2.5 V to 3.3 V operation in a 44-pin QFN package supports battery-powered and compact IoT designs
What is PIC16LF1939-I/ML used for?
The PIC16LF1939-I/ML is suited for low-power embedded control applications such as sensor nodes, smart home devices, and industrial monitoring systems requiring 8-bit processing at up to 32 MHz from a 2.5 V to 3.3 V supply. Its integrated ADC and DAC make it a cost-effective single-chip solution for analog signal conditioning and closed-loop control in motor drive, lighting, and HVAC applications. The compact 44-pin QFN package enables high-density PCB designs in space-constrained portable and IoT devices.
What are the specifications of PIC16LF1939-I/ML?
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| 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-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 36 |
| Number of Serial I/Os | 1 |
| Number of Timers | 8 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.28SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1024 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 4.6mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.5V |
| 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 |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Where can I find the PIC16LF1939-I/ML datasheet?
PIC16LF1939-I/ML Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16LF1939-I/ML?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What clock speed and memory does PIC16LF1939-I/ML offer for embedded control tasks?
The PIC16LF1939-I/ML runs at up to 32 MHz and includes 28 KB of Flash program memory, providing sufficient compute bandwidth for real-time control loops, communication protocol handling, and sensor data processing in 8-bit embedded applications running from a 2.5 V to 3.3 V power rail.
Can PIC16LF1939-I/ML handle analog signals without external ADC or DAC components?
Yes, PIC16LF1939-I/ML integrates both ADC and DAC channels on-chip, eliminating the need for external analog conversion components in many designs. This capability supports applications such as temperature measurement, light-level sensing, and closed-loop motor speed control where analog inputs and analog reference outputs are both needed within a single 44-pin QFN device.
When is PIC16LF1939-I/ML preferred over higher-end 32-bit MCUs for battery-powered designs?
For battery-powered IoT sensors and simple control systems where an 8-bit core at 32 MHz and 28 KB Flash are sufficient, PIC16LF1939-I/ML is preferred over 32-bit MCUs due to its lower active current draw and 2.5 V to 3.3 V low-voltage operation, which extends battery life significantly. Its smaller 44-pin QFN footprint also reduces BOM cost and PCB area compared to larger 32-bit alternatives with unnecessary performance overhead.
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About Microchip
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $2.7800 | $69.50 |
| 90+ | $2.5200 | $226.80 |
| 270+ | $2.5100 | $677.70 |
| 1000+ | $2.3100 | $2310.00 |
| 5000+ | $2.1800 | $10900.00 |
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