PIC16F15254-I/SS - 8-bit MCU, 7KB Flash, 32MHz | Microchip
MPN: PIC16F15254-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.2 | $1.20 |
| 10 | $1.08 | $10.80 |
| 100 | $0.92 | $92.00 |
| 500 | $0.79 | $395.00 |
| 1,000 | $0.65 | $650.00 |
| 3,000 | $0.55 | $1,650.00 |
PIC16F15254-I/SS Overview
An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes one instruction per clock cycle (except branches), optimized for deterministic real-time control. PIC MCUs sit in the broader hierarchy of microcontrollers -> embedded processors -> semiconductors, and the PIC16 mid-range family specifically targets cost-sensitive general-purpose applications where low power, small footprint, and rich Core Independent Peripherals (CIPs) are valued over raw throughput.
Key features of the PIC16F15254-I/SS include 7KB self-programmable Flash, 256 bytes of EEPROM, a 10-bit Analog-to-Digital Converter with computation, two 10-bit PWM outputs, two Capture/Compare/PWM (CCP) peripherals, Peripheral Pin Select (PPS) for flexible signal routing, and Core Independent Peripherals that offload tasks from the CPU. The eXtreme Low-Power (XLP) technology delivers sleep currents in the nanoamp range, and the wide operating voltage range of 1.8V to 5.5V supports both 3.3V and 5V systems.
The PIC16F15254-I/SS uses an enhanced mid-range 14-bit instruction set with a 16-level hardware stack and a single-cycle hardware multiplier. The integrated oscillator, voltage reference, and brown-out reset (BOR) reduce external component count, while PPS allows most digital peripherals to be remapped to a wide range of I/O pins, simplifying PCB layout. Internal temperature-indicator and rail-to-rail analog comparators extend its usability in sensor-interface designs.
Typical applications include IoT sensor nodes, home appliances, LED lighting controllers, battery-powered consumer devices, industrial control and monitoring, and low-cost PIC-based motor-control loops. The combination of small Flash size, rich peripherals, and XLP makes it a strong fit for designs migrating from older PIC12F/PIC16F parts while adding modern features.
When designing with this MCU, pay attention to the minimum operating voltage for the chosen clock configuration - the internal 32MHz HFINTOSC requires at least 3.0V on VDD, while the 16MHz variant can operate down to 1.8V. Use Microchip's MPLAB X IDE and XC8 compiler for development, and validate power budgets against the datasheet's DC and AC characteristics tables for your specific peripheral mix.
This page synthesizes distributor pricing, drop-in alternatives within the PIC16F152xx family, and practical design notes not found in the manufacturer datasheet alone, helping engineers and buyers make informed selection and sourcing decisions.
Drop-in alternatives for PIC16F15254-I/SS — 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 PIC16F15254-I/SS (same form factor and footprint) — differing in Program Memory (Flash), ADC, Package, I/O Pins, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15255-I/SS
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.86 / Unit
View Datasheet →PIC16F15244-I/SS
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16F15256-I/SS
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F15243-I/REB
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F1513-I/SS
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.02 / Unit
View Datasheet →PIC16F1459-I/SS
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F15254-I/SS Maximum Ratings & Electrical Characteristics
| Product Family | PIC16F152xx |
| Core Architecture | PIC16 (Enhanced Mid-Range) 8-bit RISC |
| Maximum CPU Clock | 32 MHz |
| Program Memory (Flash) | 7 KB (7K x 14) |
| Data SRAM | 512 B |
| Data EEPROM | 256 B |
| ADC | 10-bit |
| PWM Modules | 2 x 10-bit |
| CCP Modules | 2 |
| Communication Peripherals | EUSART, SPI, I2C |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Operating Temperature Range | -40 C to +85 C (Industrial, -I suffix) |
| Package | 28-pin SSOP (SS) |
| Mounting Type | Surface Mount |
| Low-Power Technology | eXtreme Low-Power (XLP) |
| Peripheral Pin Select | Yes (PPS) |
| Watchdog Timer | Yes (WDT) |
| RoHS Status | Compliant |
PIC16F15254-I/SS Pin Configuration
| Pin 1 | RA0/AN0/C1IN0+/ICSPDAT — Bidirectional I/O; analog input; comparator input; ICSP data |
| Pin 2 | RA1/AN1/C1IN1-/ICSPCLK — Bidirectional I/O; analog input; comparator input; ICSP clock |
| Pin 3 | RA2/AN2 — Bidirectional I/O; analog input |
| Pin 4 | RA3/MCLR/VPP — Bidirectional I/O; master clear (reset) input; programming voltage |
| Pin 5 | RA4/AN3 — Bidirectional I/O; analog input |
| Pin 6 | RA5/AN4 — Bidirectional I/O; analog input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC1/CLKIN — Bidirectional I/O; oscillator input; external clock input |
| Pin 9 | RA6/OSC2/CLKOUT — Bidirectional I/O; oscillator output; clock output |
| Pin 10 | RC0/SOSCO — Bidirectional I/O; secondary oscillator output |
| Pin 11 | RC1/SOSCI — Bidirectional I/O; secondary oscillator input |
| Pin 12 | RC2/AN5 — Bidirectional I/O; analog input |
| Pin 13 | RC3/AN6 — Bidirectional I/O; analog input |
| Pin 14 | RC4/AN7 — Bidirectional I/O; analog input |
| Pin 15 | RC5 — Bidirectional I/O |
| Pin 16 | RC6 — Bidirectional I/O |
| Pin 17 | RC7 — Bidirectional I/O |
| Pin 18 | RB7 — Bidirectional I/O |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RB0/AN8 — Bidirectional I/O; analog input |
| Pin 22 | RB1/AN9 — Bidirectional I/O; analog input |
| Pin 23 | RB2/AN10 — Bidirectional I/O; analog input |
| Pin 24 | RB3/AN11 — Bidirectional I/O; analog input |
| Pin 25 | RB4 — Bidirectional I/O |
| Pin 26 | RB5 — Bidirectional I/O |
| Pin 27 | RB6/ICSPCLK — Bidirectional I/O; ICSP clock |
| Pin 28 | RA0/ICSPDAT — Bidirectional I/O; ICSP data (alternate location note: see datasheet) |
Typical Applications
PIC16F15254-I/SS is suitable for 6 applications: IoT Sensor Node, LED Lighting Controller, Home Appliance Control, Battery-Powered Consumer Device, Industrial Sensor Monitoring, Small Motor and Fan Controller.
IoT Sensor Node
The PIC16F15254-I/SS is well-suited for battery-powered IoT sensor nodes thanks to its eXtreme Low-Power (XLP) sleep currents below 100nA and 1.8-5.5V operating range. Its 10-bit ADC with computation captures sensor data while Peripheral Pin Select (PPS) lets the SPI or I2C interface map to almost any pin, simplifying PCB routing of multi-sensor boards. At 32MHz the MCU can run periodic wake-up-sleep duty cycles in the 1-5% range, while EUSART/SPI/I2C peripherals handle gateway links. The 7KB Flash fits typical LoRa/BLE-sensor state machines and over-the-air update stubs.
Recommended
LED Lighting Controller
The PIC16F15254-I/SS drives LED lighting fixtures via its two 10-bit PWM outputs and two CCP modules, allowing independent dimming of multiple LED strings. With 7KB Flash the firmware fits full color-mixing, fade curves, and DMX-like control protocols while the 32MHz clock keeps PWM frequencies above audible range to avoid flicker. The 1.8-5.5V supply range simplifies direct connection to mains-derived constant-current driver rails. PPS simplifies the PCB layout by remapping PWM outputs to whichever I/O pins route cleanly to the LED driver FETs.
Recommended
Home Appliance Control
The PIC16F15254-I/SS integrates 7KB Flash, 10-bit ADC, EUSART, and Core Independent Peripherals needed for white-goods control boards: washing machines, dishwashers, microwave ovens, and rice cookers. Its industrial -40C to +85C temperature grade handles under-cabinet heat, and 28-SSOP fits the compact control-board footprints common in appliances. PPS allows keypad, buzzer, triac-fire, and sensor inputs to be remapped to spare pins without PCB rework. The wide voltage range supports both 3.3V logic and 5V relay-driver boards from a single MCU.
Recommended
Battery-Powered Consumer Device
The PIC16F15254-I/SS supports coin-cell and 2xAAA battery-powered consumer devices through its XLP technology and wide 1.8-5.5V operating range. With sleep currents in the tens of nA, the device can run for years on a CR2032 in remote controls, electronic shelf labels, or wearables. The 10-bit ADC reads battery voltage for low-battery detection, while the 7KB Flash fits USB-HID-like stacks or proprietary wireless control firmware. PPS allows flexible I/O mapping in space-constrained wearable PCBs.
Recommended
Industrial Sensor Monitoring
The PIC16F15254-I/SS suits industrial 4-20mA loop and 0-10V sensor transmitters where wide supply range, deterministic ADC, and CIPs matter. Its 10-bit ADC with computation can perform hardware averaging and threshold detection, freeing the CPU for EUSART/Modbus protocol tasks. The 28-SSOP package is small enough to fit in DIN-rail transmitter housings, while PPS remaps the RS-485 UART to convenient pins without PCB redesign. The industrial -40C to +85C grade handles factory-floor temperature swings.
Recommended
Small Motor and Fan Controller
The PIC16F15254-I/SS controls low-voltage brushed DC motors and fans via its two 10-bit PWMs and two CCP modules, supporting closed-loop RPM control using ADC feedback from a tachometer or back-EMF sensing. With 32MHz CPU clock and CIPs, the firmware can run PID loops and fault detection without burdening the main thread. The hardware limit timer (HLT) provides hardware overcurrent protection independent of firmware. 28-SSOP fits compact BLDC-driver daughter boards used in PC cooling, appliance fans, and small pumps.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15254-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15255-I/SS | PIC16F15244-I/SS | PIC16F15256-I/SS | PIC16F1459-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 7 KB | 4 KB | 14 KB | 14 KB |
| SRAM | 512 B | 512 B | 256 B | 1024 B | 1024 B |
| EEPROM | 256 B | 256 B | 128 B | 256 B | 256 B |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 48 MHz |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.3 V to 5.5 V |
| USB Peripheral | No | No | No | No | Yes (USB 2.0 FS) |
| Approximate Unit Price (qty 1000) | $0.65 | $0.68 | $0.55 | $0.78 | $1.10 |
Key Differentiators
- eXtreme Low-Power (XLP) with sub-100nA sleep current (vs PIC16F1513-I/SS)
- Peripheral Pin Select (PPS) for flexible I/O mapping (vs PIC16F1459-I/SS)
- Same SSOP-28 footprint across the PIC16F152xx family for scalable memory (vs PIC16F15244-I/SS)
Design Notes
The PIC16F15254-I/SS operates from 1.8V to 5.5V, but the 32MHz HFINTOSC mode requires a minimum of 3.0V on VDD. If your design may drop below 3.0V under battery droop, switch to the 16MHz or 8MHz configuration or run from the 32kHz LFINTOSC during low-voltage events. Always place a 0.1uF decoupling capacitor as close as possible to the VDD pin (pin 20) and a 10uF bulk capacitor at the regulator output. For RF-noise immunity, add a ferrite bead in series with the supply trace feeding the analog VDD rail if a separate analog supply is used.
Use Microchip's recommended SSOP-28 land pattern and keep the ICSPDAT/ICSPCLK pins (RA0/RA1) accessible for in-circuit programming. The MCLR/VPP pin (RA3) requires a 10k pull-up resistor to VDD; do not leave it floating. Provide a 4.7k to 10k resistor on MCLR only if you need a manual reset button - otherwise tie directly to VDD through the pull-up. PPS allows remapping peripherals to almost any I/O pin, so keep high-speed signals (PWM, SPI) short and avoid routing them next to analog ADC inputs to minimize crosstalk.
Common pitfalls when using the PIC16F15254-I/SS include: (1) forgetting to configure the PPS registers for the chosen peripheral pin mapping; (2) not enabling the WDT in high-noise industrial environments where firmware lockup is unacceptable; (3) using the wrong configuration word settings for the oscillator mode - the CONFIG1 register must match the HFINTOSC and clock divider settings; (4) omitting the AVDD/AVSS pins if the ADC is used (on packages that expose them); and (5) forgetting to clear the BOR threshold if the supply can dip below the BOR voltage during startup, which can cause endless reset loops. Always validate the configuration bits in the MPLAB X IDE before programming.
When using the 10-bit ADC for precision measurements, place a 0.1uF bypass capacitor directly on each active analog input pin and use the dedicated AVSS/AVDD pair if available on the SSOP-28 variant. For noisy switching environments, average 16 or more ADC samples in hardware using the ADC Computation mode; this offloads the CPU while improving effective resolution by 1-2 LSBs. If your design includes a switching regulator, route the analog ground (AVSS) back to the regulator ground star-point to avoid ground-loop noise in ADC readings.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C temperature grade (I-suffix) - not AEC-Q100 qualified; choose automotive PIC16F15254-E/SS (extended) or PIC16F15254T-I/SS variants for harsher environments. Pb-free and halogen-free per Microchip Material Declaration.
