PIC16F15244T-I/REB - 8-Bit MCU 7KB Flash 32MHz 20-VQFN | Microchip
MPN: PIC16F15244T-I/REB ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.52 | $15.20 |
| 100 | $1.31 | $131.00 |
| 500 | $1.15 | $575.00 |
| 1,000 | $1.02 | $1,020.00 |
PIC16F15244T-I/REB Overview
A PIC16 microcontroller is an 8-bit Harvard-architecture RISC MCU widely used in cost-sensitive embedded control. The PIC16F152xx family extends this legacy by adding Functional Safety (FuSa) support, Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), and eXtreme Low-Power (XLP) sleep modes that drop quiescent current to the nanoampere range - features that place the PIC16F15244 within the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC.
Key features include a 10-bit Analog-to-Digital Converter (ADC) with up to 12 channels, two 10-bit PWMs, two Capture/Compare/PWM (CCP) modules, Peripheral Pin Select (PPS) for flexible I/O routing, and standard serial interfaces including EUSART, SPI, and I2C. The on-chip high-performance 32 MHz oscillator eliminates an external crystal in many designs, while the Windowed Watchdog Timer (WWDT) and Hardware Limit Timer (HLT) support safety-critical firmware.
The architecture pairs a RISC core with intelligent analog (10-bit ADC, internal voltage reference) and digital (CLC, NCO, PWM) peripherals, allowing sensor interfacing, motor control loops, and safety handshakes to run without CPU intervention. Functional-safety collateral such as FMEDA and diagnostic libraries targets IEC 61508 SIL-2 capable designs when the datasheet-recommended firmware patterns are followed.
Typical applications include industrial sensor nodes, building-automation controllers, low-power IoT end-points, LED lighting control, consumer appliances, and functional-safety subsystems such as appliance motor monitoring or smoke/CO detector signal chains. The compact 3x3 mm VQFN package suits space-constrained PCBAs.
When designing with this device, select MPLAB X IDE with XC8 compiler and configure PPS registers to remap peripheral functions to physical pins. Always route the exposed thermal pad to a continuous ground plane for thermal dissipation and EMI performance, and place 100 nF decoupling capacitors within 3 mm of each VDD pin per Microchip's recommended layout.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, accelerating your part-selection and PCB layout decisions for PIC16F15244-based designs.
Drop-in alternatives for PIC16F15244T-I/REB — 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 PIC16F15244T-I/REB (same form factor and footprint) — differing in ADC, Core Architecture, Program Memory (Flash), Mounting Type, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15244-I/REB
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.71 / Unit
View Datasheet →PIC16F15245T-I/REB
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F15243-I/REB
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F15244T-I/REB Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC |
| Family | PIC16F152xx Functional Safety (FuSa) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 B |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V |
| ADC | 10-bit, up to 12 channels |
| PWM Channels | 2 x 10-bit PWM + 2 x CCP |
| Communication Interfaces | EUSART, SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Watchdog Timer | Windowed WDT + HLT |
| Operating Temperature | -40 C to +85 C (Industrial, 'I') |
| Package | 20-pin VQFN (3x3 mm) with exposed pad |
| Mounting Type | Surface Mount, Tape & Reel ('T') |
| MSL Level | MSL1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Functional Safety Collateral | FMEDA, diagnostics library (FuSa family) |
PIC16F15244T-I/REB Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O with PPS remap; analog-capable (NC if unused) |
| Pin 2 | RA4 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 3 | RA3 — Bidirectional I/O with PPS remap; MCLR alternative on selected variants (NC if unused) |
| Pin 4 | RA2 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 5 | RA1 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 6 | RA0 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O with PPS remap; OSC1 alternative (NC if unused) |
| Pin 9 | RA6 — Bidirectional I/O with PPS remap; OSC2 alternative (NC if unused) |
| Pin 10 | RC5 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 11 | RC4 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 12 | RC3 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 13 | RC2 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 14 | RC1 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 15 | RC0 — Bidirectional I/O with PPS remap (NC if unused) |
| Pin 16 | VSS — Ground reference (secondary, pin-symmetric with pin 7) |
| Pin 17 | RB7 — Bidirectional I/O with PPS remap; ICSPDAT (NC if unused) |
| Pin 18 | RB6 — Bidirectional I/O with PPS remap; ICSPCLK (NC if unused) |
| Pin 19 | RB5 — Bidirectional I/O with PPS remap; AN/CMP input (NC if unused) |
| Pin 20 | VDD — Positive supply (1.8 V to 5.5 V) |
| Pin EP | EP — Exposed thermal pad - must be soldered to ground plane for thermal/EMI performance |
Typical Applications
PIC16F15244T-I/REB is suitable for 6 applications: Industrial Sensor Nodes, Building Automation Controllers, Functional-Safety Appliance Subsystems, Battery-Powered IoT End-Points, LED Lighting Control, Consumer Appliance Keypads/HMI.
Industrial Sensor Nodes
The PIC16F15244T-I/REB fits industrial 4-20 mA sensor transmitters and analog front-end modules thanks to its 10-bit ADC with up to 12 channels, 1.8V-5.5V wide VDD tolerance, and eXtreme Low Power (XLP) sleep modes that drop quiescent current to the nanoampere range. At 32 MHz the core resolves fast ADC samples for RTD, thermistor, or pressure-sensor signal chains, while Peripheral Pin Select (PPS) lets engineers route SPI/I2C sensor interfaces to any available pin, simplifying PCB layout. The Windowed Watchdog Timer (WWDT) plus Hardware Limit Timer (HLT) add IEC 61508-style safety diagnostics useful in process-control loops. Compared to discrete op-amp + ADC designs, the integrated MCU reduces BOM by 30-50% and frees board area for analog conditioning.
Recommended
Building Automation Controllers
In HVAC dampers, smart thermostats, and lighting controllers, the PIC16F15244T-I/REB provides 32 MIPS of processing, EUSART for RS-485 Modbus links, and PWM outputs for triac/SSR-driven actuators. Its 7 KB Flash comfortably fits BACnet/Modbus protocol stacks with room for application logic, while 512 B SRAM handles small message buffers. The 1.8V-5.5V operating range lets the device run from a single 3.3V or 5V rail typical of building-automation backplanes. Unlike larger Cortex-M0 controllers, the PIC16F15244 fits a 3x3 mm VQFN footprint, enabling slim-line wall switches and ceiling-mount sensor pods.
Recommended
Functional-Safety Appliance Subsystems
The PIC16F15244T-I/REB is part of Microchip's Functional Safety (FuSa) family with FMEDA documentation and a safety diagnostics library supporting IEC 61508 SIL-2 designs when paired with recommended firmware patterns. It excels in washing-machine motor monitors, dishwasher door-lock supervisors, and induction-coil temperature safety units, where its Windowed Watchdog Timer (WWDT) and Hardware Limit Timer (HLT) catch firmware lock-ups and over-temperature faults. The 32 MHz CPU executes safety loops fast enough for sub-millisecond fault detection, while the 20-pin VQFN footprint is small enough to fit inside appliance motor-control boards. Compared to non-FuSa PIC16F1xxx parts, the PIC16F15244 adds the documentation lifecycle required for safety certification.
Recommended
Battery-Powered IoT End-Points
With XLP sleep modes drawing nanoampere-level quiescent current and a 1.8V minimum VDD, the PIC16F15244T-I/REB runs for years on a single CR2032 coin cell in wireless sensor end-points like LoRa/BLE environmental loggers. The 32 kHz LFINTOSC wake-from-sleep path keeps average current under 1 uA between sensor acquisitions, while the 32 MHz HFINTOSC bursts to life for sub-millisecond ADC scans, SPI sensor reads, and UART transmissions. Peripheral Pin Select (PPS) lets designers reassign pins between UART, SPI, and I2C roles as needed, simplifying hardware bring-up. Compared to Cortex-M0+ alternatives, the PIC16F15244 offers a lower active current per MHz and smaller code footprint for typical periodic-sensor applications.
Recommended
LED Lighting Control
The PIC16F15244T-I/REB drives multi-channel architectural and RGBW LED lighting via two 10-bit PWMs plus two CCP modules supporting up to four independent dimming channels. Peripheral Pin Select (PPS) lets each PWM output map to any I/O pin, simplifying PCB routing on flexible-light PCBs. The 32 MHz CPU supports DMX-512 / DALI receive parsing, while the 7 KB Flash fits typical addressable-LED firmware libraries. The 1.8V-5.5V VDD range lets the device share a 3.3V rail with constant-current LED drivers like the CL88030. Compared to a generic PIC16F1823, the PIC16F15244 offers larger Flash and a true Windowed Watchdog Timer to catch firmware lock-ups in unattended lighting installations.
Recommended
Consumer Appliance Keypads/HMI
The PIC16F15244T-I/REB serves as the keypad/HMI controller in coffee makers, microwave displays, and vacuum-cleaner LCD modules, where its EUSART links to a main appliance MCU while its 10-bit ADC scans resistive touch or matrix keypads. Peripheral Pin Select (PPS) allows the EUSART to use any pin pair, simplifying PCB layout where the main board connector location varies. The 20-pin VQFN (3x3 mm) footprint saves board space versus a TSSOP-20, fitting tight HMI bezel assemblies. At 32 MHz the core completes debounce and LED-scanning tasks in tens of microseconds, leaving ample headroom for serial protocol handling. Compared to a discrete logic + timer design, the PIC16F15244 reduces BOM cost by 40-60%.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15244T-I/REB — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15244-I/REB | PIC16F15245T-I/REB | PIC16F15243-I/REB |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-VQFN (3x3 mm) | 20-VQFN (3x3 mm) - same | 20-VQFN (3x3 mm) - same | 20-VQFN (3x3 mm) - same |
| Flash Memory | 7 KB | 7 KB | 14 KB | 3.5 KB |
| RAM | 512 B | 512 B | 1 KB | 256 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 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 |
| ADC | 10-bit, 12-ch | 10-bit, 12-ch | 10-bit, 12-ch | 10-bit, 12-ch |
| Functional Safety (FuSa) | Yes | Yes | Yes | Yes |
Key Differentiators
- Functional Safety (FuSa) family membership (vs PIC16F15224-I/ST)
- Larger Flash for memory upgrade headroom (vs PIC16F15243-I/REB)
- Cost-optimized 20-pin VQFN (3x3 mm) footprint (vs PIC16F15244-I/SS (SSOP-20))
Design Notes
The 20-pin VQFN (3x3 mm) exposed thermal pad must be soldered to a continuous ground plane on the top or bottom PCB layer with at least 8 thermal vias (0.3 mm drill, 0.5 mm pitch) to a ground copper pour. Estimated: with 0.6 W typical dissipation in a 5V application, theta_JA drops from ~150 C/W (no pad soldered) to ~40 C/W (pad soldered with 8 vias), reducing junction temperature rise by 60 C. Place 100 nF decoupling capacitors within 3 mm of each VDD pin (pin 20) per Microchip's recommended layout; a bulk 1-10 uF tantalum or ceramic cap should be added on the VDD rail to handle switching transients from PWM outputs.
Do not leave ICSP pins RB6 (ICSPCLK) and RB7 (ICSPDAT) floating in production - either pull them high through 10 kohm resistors or use Microchip's recommended ICSP header footprint. Forgetting to disable the Windowed Watchdog Timer (WWDT) on prototype builds can trap the firmware in a reset loop if the WWDT window is misconfigured; clear the WDTCWS bits in CONFIG2 to disable during early bring-up. PPS registers must be unlocked (PPSLOCK = 0) before writing to RPINRx/RPORx, or the write is silently ignored - this is a frequent first-time-programmer error.
For battery-powered applications, use Sleep mode with the 32 kHz LFINTOSC for periodic wake-up; estimated: at 1.8V VDD the PIC16F15244 draws less than 50 nA in Sleep with WWDT disabled. Active current is roughly 130 uA/MHz at 3V, so a typical 32 MHz active period of 1 ms every 5 s yields an average current of about 8 uA from a CR2032 cell - per Microchip XLP datasheet benchmarks. Always set unused I/O pins to outputs (low) to minimize leakage from floating CMOS inputs, and disable unused peripherals via their PMD (Peripheral Module Disable) registers to save 1-3 uA per peripheral.
Route the analog ADC inputs (RA0-RA5) away from digital switching lines such as PWM outputs and the ICSP clock; keep analog traces short (under 25 mm) and guard them with a ground trace on each side. Place the external voltage reference bypass capacitor (0.1 uF + 1 uF) within 3 mm of the VREF pin if used. For SPI/I2C peripherals routed via PPS, keep trace lengths matched if using multi-master configurations to avoid timing skew. Estimated: a 4-layer PCB with continuous ground plane reduces EMI by 15-20 dB compared to a 2-layer board in PIC16-based designs per Microchip's EMC design guide.
Compliance Information
RoHS compliant per Microchip product page. Functional Safety (FuSa) collateral supports IEC 61508 SIL-2 designs when paired with recommended firmware; not AEC-Q100 qualified - not recommended for automotive applications requiring AEC-Q100. Halogen-free per Microchip environmental compliance documentation.
