PIC16F15274-I/P - 7KB Flash 8-bit MCU, 32MHz, 40-PDIP | Microchip
MPN: PIC16F15274-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.52 | $1.52 |
| 10 | $1.37 | $13.70 |
| 100 | $1.21 | $121.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
PIC16F15274-I/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data-path CPU core with on-chip Flash, RAM, and peripheral IP. Within the broader semiconductor hierarchy, an MCU sits inside the microcontroller category, which itself belongs to the embedded computing / digital IC family. The PIC16F152xx family specifically targets cost-sensitive sensor and real-time control applications where low power, small footprint, and analog integration matter more than raw throughput.
Key features of the PIC16F15274-I/P include 7KB (7K x 8) self-programmable Flash, 512 bytes data RAM, 10-bit ADC with computation, two PWM outputs, two CCP capture/compare/PWM blocks, peripheral pin select for flexible signal routing, and eXtreme Low-Power modes such as sleep currents in the nanoamp range. The combination of CIPs (Core Independent Peripherals) and Intelligent Analog lets the CPU offload timing and signal-conditioning tasks.
Architecturally, the part uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier, a 32 MHz internal oscillator, and instruction cache. The 10-bit ADC is paired with an internal voltage reference and computation features (averaging, threshold comparisons), making it suitable for direct sensor digitisation without an external analog front end.
Typical applications include low-cost sensor nodes, IoT edge devices, appliance control boards, LED lighting controllers, battery-powered instrumentation, and consumer electronics HMI sub-modules. The wide 2.5V-5.5V supply and XLP operation allow direct Li-ion or 2xAA battery deployment.
When designing with the PIC16F15274-I/P, choose the PDIP package for prototyping or hand-soldered designs and migrate to the TQFP-44 (PIC16F15274-I/PT) for production. Always reserve the ICSP pins (PGD/PGC) for in-circuit programming and ensure Vdd decoupling is placed within 5 mm of the supply pins.
This page synthesizes distributor pricing, drop-in alternative listings, and design notes not consolidated in the manufacturer datasheet, helping engineers shorten evaluation time.
Drop-in alternatives for PIC16F15274-I/P — 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-I/P (same form factor and footprint) — differing in Operating Temperature, Package, Program Memory (Flash), ADC, Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15274-I/MP
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F15274-E/PT
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F15276-I/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15244-I/SS
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16F15274-I/P Maximum Ratings & Electrical Characteristics
| Product Family | PIC16F152xx |
| Core | 8-bit PIC enhanced mid-range |
| Program Memory (Flash) | 7 KB (7K x 8) |
| Data SRAM | 512 B |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage (Vdd) | 2.5 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial, -I suffix) |
| ADC | 10-bit |
| PWM Channels | 2 |
| CCP Modules | 2 |
| Communication | EUSART, SPI, I2C |
| Special Features | HLT, WDT, PPS, XLP |
| Package | 40-pin PDIP (P) |
| Mounting Type | Through-Hole |
| Lead-Free / RoHS | Compliant (lead-free finish) |
| MSL Level | Not applicable (through-hole) |
PIC16F15274-I/P Pin Configuration
| Pin 1 | Vdd — Positive supply voltage (2.5V to 5.5V) |
| Pin 2 | RA5 — Bidirectional I/O / analog input |
| Pin 3 | RA4 — Bidirectional I/O / analog input |
| Pin 4 | RA3 — Bidirectional I/O / analog input |
| Pin 5 | RC5 — Bidirectional I/O |
| Pin 6 | RC4 — Bidirectional I/O |
| Pin 7 | RC3 — Bidirectional I/O / analog input |
| Pin 8 | RC6 — Bidirectional I/O |
| Pin 9 | RC7 — Bidirectional I/O |
| Pin 10 | RB7 — Bidirectional I/O / ICSPDAT (programming data) |
| Pin 11 | RB6 — Bidirectional I/O / ICSPCLK (programming clock) |
| Pin 12 | RB5 — Bidirectional I/O / analog input |
| Pin 13 | RB4 — Bidirectional I/O / analog input |
| Pin 14 | RB3 — Bidirectional I/O / analog input |
| Pin 15 | RB2 — Bidirectional I/O / analog input |
| Pin 16 | RB1 — Bidirectional I/O / analog input |
| Pin 17 | RB0 — Bidirectional I/O / analog input / interrupt-on-change |
| Pin 18 | RC2 — Bidirectional I/O |
| Pin 19 | RC1 — Bidirectional I/O / analog input |
| Pin 20 | Vss — Ground reference |
| Pin 21 | RC0 — Bidirectional I/O |
| Pin 22 | RA2 — Bidirectional I/O / analog input |
| Pin 23 | RA1 — Bidirectional I/O / analog input |
| Pin 24 | RA0 — Bidirectional I/O / analog input |
| Pin 25 | RA7 — Bidirectional I/O |
| Pin 26 | RA6 — Bidirectional I/O |
| Pin 27 | RC5 — Bidirectional I/O (alt function) |
| Pin 28 | RC4 — Bidirectional I/O (alt function) |
| Pin 29 | RC3 — Bidirectional I/O / analog input (alt) |
| Pin 30 | RC6 — Bidirectional I/O (alt) |
| Pin 31 | RC7 — Bidirectional I/O (alt) |
| Pin 32 | RB7 — Bidirectional I/O (alt) |
| Pin 33 | RB6 — Bidirectional I/O (alt) |
| Pin 34 | RB5 — Bidirectional I/O (alt) |
| Pin 35 | RB4 — Bidirectional I/O (alt) |
| Pin 36 | RB3 — Bidirectional I/O (alt) |
| Pin 37 | RB2 — Bidirectional I/O (alt) |
| Pin 38 | RB1 — Bidirectional I/O (alt) |
| Pin 39 | Vss — Ground reference (secondary) |
| Pin 40 | Vdd — Positive supply (secondary) |
Typical Applications
PIC16F15274-I/P is suitable for 6 applications: IoT Edge Sensor Nodes, Appliance Control Boards, LED Lighting Controllers, Battery-Powered Instrumentation, Consumer Electronics HMI Sub-modules, Industrial Sensor Conditioning.
IoT Edge Sensor Nodes
The PIC16F15274-I/P is well-suited for IoT edge sensor nodes because its 7 KB Flash accommodates networking libraries plus sensor drivers, while eXtreme Low-Power (XLP) modes deliver nanoamp sleep currents critical for battery life. The 10-bit ADC with hardware computation (averaging, threshold detection) digitises temperature, humidity, or analog sensor outputs directly, offloading the CPU. EUSART/SPI/I2C connect to radios such as LoRa, BLE modules, or sub-GHz transceivers. Peripheral pin select (PPS) lets designers remap serial functions to any I/O, simplifying PCB routing in compact sensor enclosures. Operating from 2.5V-5.5V enables direct 2xAA or coin-cell deployment without a boost converter.
Recommended
Appliance Control Boards
In appliance control boards (washing machines, dishwashers, coffee makers), the PIC16F15274-I/P drives relays, triacs, and indicator LEDs via its 2 PWM and 2 CCP channels, with hardware limit timer (HLT) for safety-critical timing without CPU intervention. The 40-pin PDIP package simplifies hand-rework during field service. The 10-bit ADC reads temperature, water level, or motor current sensors, while EUSART interfaces to HMI display modules or inverter boards. The 2.5V-5.5V range tolerates rectified mains-derived rails without extensive regulation. Core Independent Peripherals (CIPs) handle zero-crossing detection and timing, freeing the CPU for user-interface logic.
Recommended
LED Lighting Controllers
The PIC16F15274-I/P serves as an LED lighting controller thanks to its 2 PWM channels capable of driving constant-current LED drivers with smooth dimming curves, plus CCP capture for frequency-based sensor inputs (PIR motion, ambient light). XLP operation lets the MCU idle in nanoamp sleep between lighting events, enabling battery-powered or energy-harvesting fixtures. The 10-bit ADC measures forward voltage for thermal foldback, while EUSART links to DMX-512 or DALI interfaces for professional lighting networks. PPS allows PWM outputs on any pin, simplifying PCB layout of multi-channel RGBW fixtures. The industrial temperature range covers outdoor and commercial luminaires.
Recommended
Battery-Powered Instrumentation
For battery-powered instrumentation such as handheld multimeters, data loggers, and portable medical devices, the PIC16F15274-I/P combines eXtreme Low-Power operation with 7 KB Flash for measurement firmware and 512 B RAM for sample buffering. The 10-bit ADC with computation supports automatic averaging of multiple conversions to improve effective resolution, while XLP sleep currents below 100 nA extend battery life to months or years. Peripheral pin select routes SPI/I2C to LCD or EEPROM without pin lock-in. The 2.5V-5.5V supply accepts 2xAA, 9V, or Li-ion packs directly with a simple LDO. The 40-pin PDIP supports prototype-friendly breadboard development.
Recommended
Consumer Electronics HMI Sub-modules
The PIC16F15274-I/P excels in consumer electronics HMI sub-modules such as touch buttons, rotary encoder readers, and IR remote controllers where the MCU handles capacitive sensing, LED feedback, and serial communication to a host processor. Hardware limit timer and CCP modules debounce and decode inputs in hardware, freeing the CPU for protocol handling. SPI/I2C links to main application processors, while EUSART drives debug UART during development. The 10-bit ADC reads potentiometers or ambient light for adaptive backlight. PPS simplifies PCB layout when signals cross over. The PDIP package is ideal for prototype sub-boards that plug into socketed test fixtures.
Recommended
Industrial Sensor Conditioning
In industrial sensor conditioning modules, the PIC16F15274-I/P digitises analog signals from thermocouples, RTDs, strain gauges, or 4-20 mA loops using its 10-bit ADC and intelligent analog computation features. Core Independent Peripherals handle CLC (Configurable Logic Cell) functions for signal conditioning and threshold-based alarms without CPU load. The 2.5V-5.5V supply accepts 24V industrial buses after a simple regulator, while the industrial temperature range covers factory floor conditions. EUSART provides RS-232/RS-485 communication to PLCs, and SPI drives external DACs for analog re-transmission. The 40-pin PDIP simplifies through-hole assembly for ruggedised enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15274-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15274-I/MP | PIC16F15274-E/P | PIC16F15276-I/P | PIC16F15244-I/SS |
|---|---|---|---|---|---|
| Package | 40-pin PDIP (P) | 40-pin QFN (MP) | 40-pin PDIP (P) - same | 40-pin PDIP (P) - same | 28-pin SSOP (SS) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 9 KB | 3.5 KB |
| Data SRAM | 512 B | 512 B | 512 B | 512 B | 256 B |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Mounting Type | Through-Hole (PDIP) | Surface-Mount (QFN) | Through-Hole (PDIP) | Through-Hole (PDIP) | Surface-Mount (SSOP) |
| Approx. Unit Price @ 100 pcs (USD) | 1.21 | 1.18 | 1.45 | 1.35 | 1.05 |
Key Differentiators
- Highest Flash density in PIC16F152xx 40-pin family at the same 40-pin PDIP footprint (vs PIC16F15244-I/SS)
- Same silicon in SMT-ready package for production migration (vs PIC16F15274-I/MP)
- Extended-temperature variant for harsh environments (vs PIC16F15274-E/P)
Design Notes
Decouple Vdd with a 100 nF ceramic capacitor placed within 5 mm of the MCU supply pins (1 and 40) plus a bulk 10 uF tantalum or aluminum polymer capacitor near the package. For battery-powered XLP designs, verify that the chosen LDO has quiescent current lower than the MCU's deep-sleep current to preserve battery life. Avoid using high-ESR capacitors on Vdd; the PIC16F15274 datasheet specifies ESR below 1 ohm for stable operation. Tie unused I/O pins to defined logic levels (Vdd or Vss) to minimise current leakage in sleep mode.
Reserve ICSP pins (RB6/ICSPCLK and RB7/ICSPDAT) for in-circuit serial programming - do not lock them to peripheral functions that disable programming access. When migrating from PIC16F15274-I/P to PIC16F15274-I/MP (QFN package), verify thermal vias under the exposed pad, since QFN packages rely on the pad for heat dissipation and missing vias cause overheating. Configuration bits must be set explicitly; relying on factory defaults can accidentally enable the watchdog timer and reset the MCU unexpectedly during development.
Route the external crystal (if used) traces symmetrically with short, equal lengths and a ground guard ring to minimise EMI and frequency drift. Keep analog input traces (RAx, RBx ADC channels) away from PWM or digital switching traces to avoid ADC noise coupling; consider a ground plane separation between analog and digital sections. For PPS (Peripheral Pin Select) applications, document pin assignments in firmware headers to avoid confusion across team members, and verify pin compatibility when porting between PIC16F15244/15256/15274/15276 variants since pin counts differ.
Place the ICSP connector (RJ-11 or 6-pin header) on the board edge for easy programmer access during prototyping. For the 40-pin PDIP variant, allow 2.54 mm pitch through-hole pads with at least 0.5 mm annular ring to withstand hand-soldering rework. Decouple the Vcore regulator output (if enabled) with an additional 100 nF capacitor close to the VCAP pin. Reserve a test point on the MCLR pin for in-circuit debugging, since driving MCLR low forces a reset that can interrupt runaway firmware.
Compliance Information
RoHS-compliant per Microchip product page; lead-free finish standard. Not AEC-Q100 qualified - for automotive applications use PIC16F15274-E/P (extended temp) or AEC-Q100-specific variants in other families. Halogen-free status not explicitly confirmed in verified web data.
