PIC16F1937-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC16F1937-I/P is an 8-bit PIC microcontroller clocked at up to 32 MHz with 8192 words of Flash program memory and 256 bytes of EEPROM. It integrates an ADC, comparators, and timers in a breadboard-friendly 40-pin PDIP package. Ideal for prototyping and cost-sensitive embedded control applications.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F1937-I/P 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
Key Features
- 32 MHz maximum clock with low-power operation down to 1.8 V supply for 16 MHz performance
- 8192 x 14-word Flash and 256-byte EEPROM enabling non-volatile data logging without external memory
- Rich analog periphery including 11-channel 10-bit ADC, two comparators, and a voltage reference module
- 40-pin PDIP package providing 33 GPIO lines for easy prototyping on standard breadboards
Applications
The PIC16F1937-I/P suits consumer appliance control, home automation panels, and sensor data acquisition systems where an 8-bit core at 32 MHz provides sufficient computation at minimal cost. Its 1.8 V minimum operating voltage and wide supply range make it a natural fit for battery-powered remote controls, HVAC controllers, and low-power IoT edge nodes. Educators and hobbyists also rely on the 40-pin PDIP form factor for rapid prototyping on standard breadboards with Microchip's MPLAB ecosystem.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-40 |
| Factory Lead Time | 5Weeks |
| 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 | R-PDIP-T40 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 35 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F1937-I/P:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDIP40
28KB, 2KB RAM, 38x I/O, 4xPWMs, Comp, DAC, ADC, CWG, 2xEUSART, 2xSPI/I2C
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDIP40
28KB Flash, 2KB RAM, 256B EE, ADCC, Analog, PWM, CWG, SMT, HLT, WWDT, SCAN/CRC
28KB, 2KB RAM, 38x I/O, 4xPWMs, Comp, DAC, ADC, CWG, 2xEUSART, 2xSPI/I2C
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDIP40
Frequently Asked Questions
At what supply voltage can the PIC16F1937-I/P still operate reliably, and how does this affect clock speed?
The PIC16F1937-I/P operates down to 1.8 V, but at that minimum voltage the maximum reliable clock frequency is limited to 16 MHz. Running from a 3.3 V or 5 V supply allows the full 32 MHz clock, doubling throughput for time-critical tasks such as serial communication and PWM generation.
How many analog input channels does the PIC16F1937-I/P provide for sensor interfacing?
The device offers an 11-channel, 10-bit successive approximation ADC with a result resolution of approximately 4.88 mV per LSB at a 5 V reference, enabling precise reading of temperature sensors, potentiometers, and pressure transducers in a single chip without external ADC components.
When would a designer choose PIC16F1937-I/P over a smaller 28-pin PIC16F device?
The 40-pin PDIP variant provides 33 digital I/O lines compared to roughly 22 on a 28-pin device, making it the better choice when a design simultaneously drives multiple 7-segment displays, reads a matrix keypad, and interfaces 4 or more analog sensors — a combination that exhausts smaller packages but fits comfortably in the PIC16F1937's pin budget.
What non-volatile storage does the PIC16F1937-I/P offer for storing calibration or configuration data?
Beyond the 8192 x 14-word program Flash, the chip includes 256 bytes of data EEPROM rated for 1,000,000 erase/write cycles and a data retention of over 40 years, making it reliable for storing sensor calibration coefficients, user settings, or event counters that must survive power loss.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.7300 | $3.73 |
| 20+ | $3.4000 | $68.00 |
| 30+ | $2.8800 | $86.40 |
| 100+ | $2.6100 | $261.00 |
| 1000+ | $2.4200 | $2420.00 |
| 5000+ | $2.2900 | $11450.00 |
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