PIC16F1937-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC16F1937-I/ML is an 8-bit XLP PIC microcontroller with 14 KB Flash, 256 bytes EEPROM, and 1 KB SRAM, running at up to 32 MHz in a 44-pin QFN package. It supports operation from 1.8 V at 16 MHz for ultra-low-power designs. Suitable for battery-powered sensors, home appliances, and general-purpose embedded control requiring a balance of performance and low energy consumption.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F1937-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2900(MOQ 1)
- 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 PIC16F1937-I/ML?
- 8-bit PIC16 XLP core at up to 32 MHz with 1.8 V operation at 16 MHz
- 14 KB Flash program memory with self-write capability
- 256 bytes on-chip EEPROM for non-volatile data storage
- 10-bit ADC for analog sensor acquisition
- Integrated EUSART, SPI, and I2C communication peripherals
- 44-pin QFN package with low-profile surface-mount footprint
What is PIC16F1937-I/ML used for?
The PIC16F1937-I/ML targets battery-powered IoT sensor nodes, smart home appliances, and portable medical devices where ultra-low power consumption is critical. Its XLP technology enables deep sleep currents in the nanoamp range, extending battery life significantly compared to standard CMOS MCUs. The combination of 14 KB Flash, ADC, and multiple serial interfaces makes it capable of handling sensor acquisition, data logging, and wired communication in a single chip.
What are the specifications of PIC16F1937-I/ML?
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 1.8V MINIMUM SUPPLY FOR 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| JESD-30 Code | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 36 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC44,.31SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 512 |
| ROM (words) | 14336 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 8mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| 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 |
| ## PIC16F1937-I/ML Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Where can I find the PIC16F1937-I/ML datasheet?
PIC16F1937-I/ML Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC16F1937-I/ML?
Compatible alternatives and drop-in replacements for PIC16F1937-I/ML:
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PQCC44
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PQCC40
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PQCC44
Frequently Asked Questions
What is the minimum supply voltage for the PIC16F1937-I/ML, and how does it affect maximum clock speed?
The PIC16F1937-I/ML operates from as low as 1.8 V supply voltage, though at that voltage the maximum clock frequency is limited to 16 MHz. When the supply is raised to the full 3.3 V to 5.5 V range, the device can run at its maximum of 32 MHz, giving designers a choice between energy efficiency and processing throughput depending on the application.
How much program and data memory does the PIC16F1937-I/ML integrate, and is external memory needed for typical firmware?
The device provides 14 KB of Flash program memory, 1 KB of SRAM, and 256 bytes of EEPROM on a single chip. For most embedded control firmware — including sensor loops, serial protocol stacks, and simple UI logic — 14 KB is sufficient without external memory, and the 256-byte EEPROM allows storage of configuration data and calibration constants across power cycles.
Which communication interfaces are built into the PIC16F1937-I/ML, and how does it simplify connectivity in industrial sensor designs?
The PIC16F1937-I/ML integrates an EUSART (supporting RS-232 and RS-485 at baud rates up to several Mbps), SPI, and I2C peripherals, covering the most common wired interface standards in industrial and embedded applications. Having all three on-chip eliminates external interface ICs for most sensor-to-controller links, reducing the 44-pin BOM by several components and simplifying PCB routing on boards with tight area constraints.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $6.6000 | $6.60 |
| 3+ | $4.4000 | $13.20 |
| 7+ | $3.3000 | $23.10 |
| 25+ | $2.4900 | $62.25 |
| 50+ | $2.3200 | $116.00 |
| 125+ | $2.2900 | $286.25 |
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