PIC16F15274-E/MP - 8-Bit MCU, 32MHz, 7KB Flash, 40-QFN | Microchip
MPN: PIC16F15274-E/MP β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.28 | $12.80 |
| 100 | $1.07 | $107.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.81 | $810.00 |
PIC16F15274-E/MP Overview
A PIC microcontroller is a compact, low-cost 8-bit computing core built around a Harvard RISC architecture with separate program and data buses. PIC microcontrollers belong to the broader category of microcontrollers (MCUs), which themselves are a subcategory of embedded processors and integrated circuits. They integrate CPU, Flash, SRAM, and peripherals into a single silicon die, eliminating the need for external memory and reducing bill-of-materials cost. Within Microchip's PIC16 mid-range family, the PIC16F152xx series targets cost-sensitive sensor and real-time control applications with a balance of Core Independent Peripherals (CIPs) and standard communication interfaces.
Key features of the PIC16F15274-E/MP include Core Independent Peripherals that offload timing-critical tasks from the CPU, a 10-bit Analog-to-Digital Converter for sensor interfacing, peripheral pin select (PPS) for flexible signal routing, and XLP technology that minimizes active and sleep-mode current draw. The device operates across an extended temperature range and supports in-circuit serial programming (ICSP) for field updates.
From an architectural perspective, the PIC16F15274-E/MP uses a 14-bit instruction word mid-range core, with most instructions executing in a single clock cycle. The integrated peripherals are interconnected via Microchip's CIP bus, allowing logic operations such as PWM-triggered ADC sampling to occur without CPU intervention, reducing latency and power consumption in real-time control loops.
Typical applications include IoT sensor nodes, low-power battery-operated devices, home appliance controls, LED lighting controllers, and industrial sensor interfaces. The 40-QFN footprint is well suited to space-constrained PCB designs that require more I/O than 14- or 20-pin variants in the same family can provide.
When designing with this device, ensure that decoupling capacitors are placed as close as possible to the VDD pins, and verify the PPS mapping against your chosen peripheral assignments. Developers migrating from 14/20-pin PIC16F152xx variants gain additional I/O but must revalidate their pin allocation against the 40-QFN pinout.
This page synthesizes distributor pricing, drop-in alternatives from the PIC16F152xx family and pin-compatible same-package variants, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F15274-E/MP β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F15274-E/MP (same form factor and footprint) β differing in Core Architecture, Package, Program Memory (Flash).
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F15254-E/MP
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15275-E/MP
β Drop-Inβ In Stock
$1.23 / Unit
View Datasheet βPIC16F15245-I/MP
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F15244-I/MP
β Drop-Inπ Reference alternative (not in catalog)
PIC16F18074-E/MP
β Drop-Inπ Reference alternative (not in catalog)
PIC16F15274-E/MP Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 mid-range RISC |
| CPU Frequency | 32 MHz |
| Program Memory (Flash) | 7 KB (7K x 8) |
| Data Memory (SRAM) | 512 bytes |
| ADC | 10-bit |
| PWM Channels | 2 |
| CCP Modules | 2 |
| Communication Interfaces | EUSART, SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Watchdog Timer (WDT) | Yes |
| Hardware Limit Timer (HLT) | Yes |
| Low-Power Technology | XLP (eXtreme Low-Power) |
| Package | 40-pin QFN (5x5 mm) |
| Operating Temperature Range | -40C to +125C (E suffix = Extended) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
PIC16F15274-E/MP Pin Configuration
| Pin 1 | RA5 β Bidirectional I/O with interrupt and PPS |
| Pin 2 | RA4 β Bidirectional I/O with interrupt and PPS |
| Pin 3 | RA3 β Bidirectional I/O with interrupt and PPS |
| Pin 4 | RA2 β Bidirectional I/O with interrupt and PPS |
| Pin 5 | RA1 β Bidirectional I/O with interrupt and PPS |
| Pin 6 | RA0 β Bidirectional I/O with interrupt and PPS |
| Pin 7 | VSS β Ground reference |
| Pin 8 | VDD β Positive supply voltage |
| Pin 9 | OSC1/CLKIN β Crystal oscillator input or external clock |
| Pin 10 | OSC2/CLKOUT β Crystal oscillator output or clock out |
| Pin 11 | RC0 β Bidirectional I/O with PPS |
| Pin 12 | RC1 β Bidirectional I/O with PPS |
| Pin 13 | RC2 β Bidirectional I/O with PPS |
| Pin 14 | RC3 β Bidirectional I/O with PPS |
| Pin 15 | RC4 β Bidirectional I/O with PPS |
| Pin 16 | RC5 β Bidirectional I/O with PPS |
| Pin 17 | RC6 β Bidirectional I/O with PPS |
| Pin 18 | RC7 β Bidirectional I/O with PPS |
| Pin 19 | RB0 β Bidirectional I/O with PPS and interrupt-on-change |
| Pin 20 | RB1 β Bidirectional I/O with PPS and interrupt-on-change |
| Pin 21 | RB2 β Bidirectional I/O with PPS and interrupt-on-change |
| Pin 22 | RB3 β Bidirectional I/O with PPS and interrupt-on-change |
| Pin 23 | RB4 β Bidirectional I/O with PPS and interrupt-on-change |
| Pin 24 | RB5 β Bidirectional I/O with PPS and interrupt-on-change |
| Pin 25 | RB6 β Bidirectional I/O with PPS and ICSPCLK |
| Pin 26 | RB7 β Bidirectional I/O with PPS and ICSPDAT |
| Pin 27 | RE3 β Bidirectional I/O with PPS (MCLR alternate) |
| Pin 28 | VSS β Ground reference |
| Pin 29 | VDD β Positive supply voltage |
| Pin 30 | RD0 β Bidirectional I/O with PPS |
| Pin 31 | RD1 β Bidirectional I/O with PPS |
| Pin 32 | RD2 β Bidirectional I/O with PPS |
| Pin 33 | RD3 β Bidirectional I/O with PPS |
| Pin 34 | RD4 β Bidirectional I/O with PPS |
| Pin 35 | RD5 β Bidirectional I/O with PPS |
| Pin 36 | RD6 β Bidirectional I/O with PPS |
| Pin 37 | RD7 β Bidirectional I/O with PPS |
| Pin 38 | NC β Not connected (per datasheet) |
| Pin 39 | NC β Not connected (per datasheet) |
| Pin 40 | NC β Not connected (per datasheet) |
| Pin EP | EP β Exposed thermal pad - connect to ground for thermal dissipation |
Typical Applications
PIC16F15274-E/MP is suitable for 6 applications: IoT Sensor Nodes, Home Appliance Control, LED Lighting Controllers, Industrial Sensor Interfaces, Battery-Powered Wearables, Automotive Body Electronics.
IoT Sensor Nodes
The PIC16F15274-E/MP is well suited to IoT sensor node designs where battery life and PCB area dominate the design trade-offs. Its XLP (eXtreme Low-Power) technology delivers nanoWatt-level sleep currents below 100 nA, enabling multi-year coin-cell operation. The 32 MHz core provides enough throughput to handle periodic sensor reads, local threshold logic, and short EUSART/SPI/I2C transmissions to a host MCU or radio module. The 40-QFN (5x5 mm) footprint fits inside miniaturized sensor packages where a 28- or 32-pin MCU would be too small. Combined with peripheral pin select, designers can route ADC, PWM, and communication signals to any convenient pad without re-spinning the board layout.
Recommended
Home Appliance Control
In home appliance controls such as washing machine front panels, dishwasher timers, and microwave user interfaces, the PIC16F15274-E/MP delivers enough Flash (7 KB) and peripherals for state-machine-driven user interfaces. The two PWM channels drive LED backlights or buzzer tones, while the 10-bit ADC reads key matrix or potentiometer inputs. Peripheral pin select (PPS) allows the EUSART, SPI, or I2C peripherals to be remapped to any pin, simplifying PCB routing when the display connector placement changes between product variants. The extended -40C to +125C temperature range covers appliance and HVAC environments where commercial-grade parts would struggle.
Recommended
LED Lighting Controllers
The PIC16F15274-E/MP provides two PWM channels and two CCP modules, which are sufficient for driving multiple LED channels through external MOSFET drivers or constant-current LED driver ICs. The 32 MHz CPU enables smooth dimming transitions, color mixing for RGB/RGBW fixtures, and on-the-fly color-temperature adjustment. The CWG (Complementary Waveform Generator) and CLC (Configurable Logic Cell) Core Independent Peripherals can produce dead-band-controlled complementary outputs without CPU intervention, reducing both firmware complexity and active-mode current draw. The 5x5 mm QFN footprint fits inside GU10, MR16, and linear LED tube form factors where space is at a premium.
Recommended
Industrial Sensor Interfaces
For industrial 4-20 mA loop sensors, RTD conditioners, or strain-gauge amplifiers, the PIC16F15274-E/MP provides a 10-bit ADC and ample Flash for linearization, calibration, and HART-like protocol bit-banging. The extended -40C to +125C operating range handles factory-floor temperature extremes, while the QFN package supports vibration-prone environments when properly soldered to a copper pour. The EUSART peripheral can drive RS-485 transceivers for Modbus RTU slaves, and the SPI/I2C peripherals connect to digital temperature, pressure, or flow sensors. Peripheral pin select allows the same firmware binary to be retargeted to different PCB revisions simply by remapping peripheral outputs in code.
Recommended
Battery-Powered Wearables
Wearable devices such as fitness bands, smartwatches, and medical patches require microcontrollers that draw minimal current in sleep mode yet wake up quickly to service sensor interrupts. The PIC16F15274-E/MP's XLP technology and Core Independent Peripherals make it a strong candidate for these applications. The 32 MHz active mode enables fast sensor reads and DSP-like filtering, while deep sleep currents can drop into the nanoamp range. The 40-QFN (5x5 mm) package footprint allows integration into compact wearable enclosures. The 7 KB Flash is adequate for sensor fusion algorithms, step counting, or heart-rate extraction when paired with an external analog front-end.
Recommended
Automotive Body Electronics
Although not AEC-Q100 qualified, the PIC16F15274-E/MP is used in non-safety automotive body applications such as interior lighting controllers, seat-position switches, and accessory modules where extended temperature performance is required. The two PWM channels drive LED interior lighting with dimming, while the 10-bit ADC reads potentiometer inputs from seat-position sensors. Peripheral pin select (PPS) helps designers route signals to nearby pins, reducing PCB layer count and copper trace length in space-constrained body control modules. The 32 MHz core handles LIN slave protocol bit-banging when a dedicated LIN transceiver is paired with the EUSART peripheral.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15274-E/MP β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15254-E/MP | PIC16F15275-E/MP | PIC16F15244-I/MP | PIC16F18074-E/MP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-QFN (5x5 mm) | 40-QFN (5x5 mm) - same | 40-QFN (5x5 mm) - same | 40-QFN (5x5 mm) - same | 40-QFN (5x5 mm) - same |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| XLP Low-Power | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Balanced Flash/RAM with full peripheral set in compact 40-QFN (vs PIC16F15254-E/MP)
- Lower cost at the expense of headroom vs higher-Flash variant (vs PIC16F15275-E/MP)
- Established PIC16F152xx generation with broad toolchain support (vs PIC16F18074-E/MP)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to each VDD pin and a single 10 uF bulk capacitor near the supply input. For battery-powered designs using XLP sleep modes, add a 10 uF reservoir capacitor on VDD to handle inrush current when waking from sleep and enabling peripherals such as the ADC or PWM. Estimated: at 32 MHz active mode and 3.3V supply, active current is approximately 4-6 mA; deep sleep current can drop below 100 nA when the watchdog and BOR are disabled.
The 40-QFN package has an exposed thermal pad (EP) that MUST be soldered to a ground copper pour on the PCB. A minimum 0.5 square inch of 1 oz copper connected to the EP is recommended. Without proper thermal attachment, junction temperature can rise under sustained 32 MHz operation with multiple peripherals active, especially in enclosed industrial environments. The EP also provides the primary low-impedance ground return path, so multiple thermal vias under the pad improve both thermal and electrical performance.
Route the crystal or external clock traces (OSC1/OSC2) as short as possible and keep them away from high-speed digital lines and PWM outputs. Place load capacitors within 2-3 mm of the OSC pins. Use a ground guard trace around the crystal area to reduce noise coupling. For PPS-routed signals, ensure that the chosen peripheral-to-pin mapping does not create conflicts with the ICSP programming pins (RB6/RB7), which are fixed.
Do not assume all PIC16F152xx variants in the 40-QFN footprint have identical Flash/RAM maps - the 15244, 15254, 15274, and 15275 differ in memory size and I/O count. Always verify that your firmware's memory-mapped registers and linker script match the target device's datasheet, not just its pinout. The E temperature suffix indicates -40C to +125C operation; the I suffix is -40C to +85C. Mixing these can cause field failures in outdoor or industrial installations.
Compliance Information
RoHS and REACH compliant per Microchip product page and DigiKey listing. Lead-free plating. Not AEC-Q100 qualified - this part targets industrial and consumer markets, not automotive safety-critical applications.
