PIC16F15313-I/RF - 8-bit 32MHz 3.5KB Flash MCU | Microchip
MPN: PIC16F15313-I/RF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.2 | $1.20 |
| 10 | $1.08 | $10.80 |
| 100 | $0.96 | $96.00 |
| 500 | $0.84 | $420.00 |
| 1,000 | $0.74 | $740.00 |
PIC16F15313-I/RF Overview
A microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory (typically FLASH), volatile working memory (RAM), and a rich set of on-chip peripherals such as timers, ADCs, communication interfaces, and configurable logic. MCUs sit at the top of the embedded-computing hierarchy - more capable than a simple ASIC for fixed logic, less expensive than a microprocessor/MPU that requires external RAM and storage, and indispensable for almost every modern electronic product. The PIC16F15313 specifically belongs to Microchip's enhanced mid-range 8-bit family (PIC16), which adds richer peripheral integration and lower power consumption than legacy baseline PIC10/12/16 parts.
Key features include 4 PWM channels, an on-chip comparator, a 5-bit DAC, a 10-bit ADC with multiple channels, four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), and both EUSART and SPI/I2C serial interfaces. The XLP (eXtreme Low Power) designation brings sub-uA sleep currents, making this part attractive for battery-powered or energy-harvesting designs. Industrial-grade operating temperature range is -40C to +85C, and supply voltage spans 2.3V (at 16 MHz) to 5.5V.
Architecturally the PIC16F15313 uses an enhanced mid-range 8-bit RISC core with a hardware multiplier, providing deterministic instruction execution and a single-cycle 8x8 multiply. The device integrates Core Independent Peripherals (CIPs) - CLC, CWG, NCO, and PWM - that operate without CPU intervention, offloading timing-critical functions and reducing firmware complexity while lowering overall system power.
Typical applications include IoT sensor nodes, low-cost consumer appliances, white goods control boards, battery-powered wireless charging controllers, LED lighting effects, and general-purpose 8-bit embedded logic replacement. Designers choose it when cost, small footprint, and ultra-low standby power outweigh the need for higher MIPS.
When laying out the PCB, follow Microchip's DFN-8 land-pattern recommendation and provide a thermal pad soldered to a copper pour for best thermal performance. Decoupling VDD with a 100 nF ceramic capacitor placed within 2 mm of the pin is recommended for ADC accuracy at higher sampling rates.
This page synthesizes Microchip datasheet parameters, current distributor pricing, drop-in same-package alternatives, and practical design notes not found in the datasheet alone - giving engineers a one-stop reference for evaluating the PIC16F15313-I/RF against the PIC16F15313 family and competitor parts.
Drop-in alternatives for PIC16F15313-I/RF — 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 PIC16F15313-I/RF (same form factor and footprint) — differing in ADC, CLC (Configurable Logic Cells), Comparators, Core, EUSART.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18313-I/RF
✅ Drop-In✓ In Stock
$0.66 / Unit
View Datasheet →PIC16F15323-I/RF
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F15313-I/RF Maximum Ratings & Electrical Characteristics
| Product Family | PIC16F153xx |
| Core | PIC 8-bit RISC, enhanced mid-range |
| Program Memory (FLASH) | 3.5 KB (2K x 14 words) |
| Data RAM | 256 bytes |
| Data EEPROM | 0 bytes (not present) |
| Maximum CPU Clock | 32 MHz |
| Supply Voltage Range | 2.3 V to 5.5 V (2.3 V min at 16 MHz, 3.0 V min at 32 MHz) |
| Package | 8-pin DFN (3x3 mm) with exposed pad |
| Operating Temperature | -40 C to +85 C (Industrial, "I") |
| PWM Channels | 4 |
| ADC | 10-bit |
| Comparators | 1 (on-chip) |
| DAC | 5-bit |
| CLC (Configurable Logic Cells) | 4 |
| CWG (Complementary Waveform Generator) | Yes |
| EUSART | 1 |
| SPI / I2C | Yes (MSSP module) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F15313-I/RF Pin Configuration
| Pin 1 | RA5/MCLR — Bidirectional I/O / Master Clear (reset, active low) |
| Pin 2 | RA4/AN3 — Bidirectional I/O / Analog channel 3 |
| Pin 3 | RA3/VPP — Bidirectional I/O / Programming voltage input |
| Pin 4 | RA2/AN2 — Bidirectional I/O / Analog channel 2 |
| Pin 5 | RA1/ICSPCLK — Bidirectional I/O / In-Circuit Serial Programming clock |
| Pin 6 | RA0/ICSPDAT — Bidirectional I/O / In-Circuit Serial Programming data |
| Pin 7 | VDD — Positive supply voltage (2.3V to 5.5V) |
| Pin 8 | VSS — Ground reference (exposed thermal pad connected to VSS) |
Typical Applications
PIC16F15313-I/RF is suitable for 7 applications: Battery-Powered IoT Sensor Node, Wireless Charging Controller, LED Lighting Effects Controller, White Goods / Home Appliance Control, Consumer Toy and Hobby Electronics, General-Purpose 8-bit Logic Replacement, Capacitive Touch Sensing Interface.
Battery-Powered IoT Sensor Node
The PIC16F15313-I/RF fits IoT sensor nodes because of its XLP deep-sleep current under 1 uA per datasheet DS40001802 and 2.3V-5.5V supply range that accommodates single-cell lithium, 2xAA, or coin-cell batteries. The on-chip 10-bit ADC samples sensor outputs while CLC peripherals run autonomously, freeing the CPU to remain asleep longer between wake events. The EUSART enables UART communication to a low-power radio module, while the SPI/I2C MSSP interfaces MEMS sensors. The 3.5 KB FLASH supports sensor-fusion state machines plus UART bootloaders for OTA firmware updates.
Recommended
Wireless Charging Controller
The PIC16F15313-I/RF is officially recommended by Microchip as a flexible, low-cost alternative to ASIC-based wireless charging solutions. Its Complementary Waveform Generator (CWG) produces the bridge-driver timing signals needed for Qi-compatible transmitters, while four PWM channels drive the LC tank at the resonant frequency. The on-chip comparator performs primary-side feedback sensing without an external op-amp, and the 5-bit DAC programs the operating point. The 32 MHz CPU executes the FOD (foreign-object detection) and PID control loops in real time, while the 8-DFN footprint is small enough for compact charging pads.
Recommended
LED Lighting Effects Controller
The PIC16F15313-I/RF suits addressable LED lighting because its four PWM channels and CWG produce complex color-mixing waveforms without CPU load. The 10-bit ADC reads ambient light sensors and potentiometers for brightness control, while the EUSART or SPI drives WS2812B or APA102 LED strips. With 3.5 KB FLASH, designers implement dimming curves, color-temperature transitions, and DMX-512-style protocols. The 2.3V minimum supply matches single-cell Li-ion packs driving 5V LED strips through a boost converter.
Recommended
White Goods / Home Appliance Control
The PIC16F15313-I/RF is suitable for white-goods user-interface and motor-control boards. Its 8-DFN package fits behind capacitive-touch buttons, and four PWM channels drive triac-based heater/relay elements. The on-chip comparator monitors zero-cross for line-synchronous dimming, while SPI/I2C drives an LED indicator display or external EEPROM. Industrial-grade -40C to +85C temperature range tolerates oven and dishwasher environments, and 3.5 KB FLASH holds appliance-specific state machines plus bootloader support for in-field firmware updates.
Recommended
Consumer Toy and Hobby Electronics
The PIC16F15313-I/RF fits hobby-grade robotics, drones, and toys because the 32 MHz core provides sufficient MIPS for RC servo control while the small 8-DFN footprint minimizes PCB area in lightweight airframes. Its four CLC peripherals implement custom PWM/fault logic, and the EUSART connects to SBUS, CRSF, or DSM receivers. The 2.3V minimum supply supports 1S LiPo battery packs without a boost regulator, while the comparator monitors battery voltage for low-battery cutoffs.
Recommended
General-Purpose 8-bit Logic Replacement
The PIC16F15313-I/RF replaces discrete 74HC logic and small ASICs in cost-sensitive designs. The four Configurable Logic Cells (CLC) emulate combinational/sequential logic gates without CPU intervention, freeing the MCU to handle serial protocols or sleep between events. Designers implement glue logic, level-shifters, watchdog functions, and timer replacement in a single 3x3 mm chip. Industrial temperature range and 5.5V supply tolerance directly interface 5V logic without level translators.
Recommended
Capacitive Touch Sensing Interface
The PIC16F15313-I/RF integrates capacitive touch sensing through its on-chip comparator and CLC peripherals, eliminating the need for a dedicated touch IC. The 10-bit ADC samples charge-transfer events on up to 8 electrodes routed to the 8-DFN pins, while the CWG drives the sensing pulses. Implementation uses Microchip's mTouch library which fits within 3.5 KB FLASH for typical 4-8 button designs, with the EUSART reporting touch events to a host processor or driving LEDs directly.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15313-I/RF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18313-I/RF | PIC16F15313-I/P | PIC16F15313-I/SN | PIC16F15323-I/RF |
|---|---|---|---|---|---|
| Package | 8-pin DFN (3x3 mm) | 8-pin DFN (3x3 mm) - same | 8-pin PDIP (DIP-8) | 8-pin SOIC (SO-8) | 8-pin DFN (3x3 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Program Memory | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 3.5 KB (2K x 14) | 7 KB (4K x 14) |
| Data RAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 512 bytes |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| CLC Cells | 4 | More than 4 (PIC16F18313 family feature) | 4 | 4 | 4 |
| PWM Channels | 4 | 4 | 4 | 4 | 4 |
Key Differentiators
- Core Independent Peripherals (CLC, CWG, NCO) (vs PIC10F322)
- Pin-compatible 2x memory upgrade path (vs PIC16F15323-I/RF)
- EUSART hardware + MSSP for SPI/I2C (vs PIC16F18313-I/RF baseline)
Design Notes
The PIC16F15313-I/RF XLP technology provides deep-sleep currents under 1 uA per Microchip datasheet DS40001802. Place a 100 nF decoupling capacitor within 2 mm of the VDD pin (pin 7) and tie the exposed thermal pad (pin 8) to a grounded copper pour to provide low-impedance ground return. For battery-powered designs, use the on-chip ADC with internal voltage reference for battery monitoring to avoid external resistor dividers that quiescently drain the cell.
Estimated: with the 3x3 mm DFN-8 package, total PCB land area is approximately 9 mm^2 plus thermal-pad vias. Recommended thermal-via array is at least 4 vias (0.3 mm drill) under the exposed pad to keep theta-JA at datasheet values. For ADC accuracy above 8 effective bits, route analog signals (AN2/AN3) away from PWM digital outputs on adjacent pins and place a guard ground trace between analog and digital regions.
Do not assume the RA3 pin can be used as a digital output - RA3 on PIC16F15313 is input-only and serves as the VPP programming voltage pin. Common pitfalls include forgetting the MCLR pull-up resistor (typically 10 kOhm to VDD) and omitting the ICSPCLK/ICSPDAT pull-downs required for reliable in-circuit serial programming. Always select the "I" industrial temperature grade for designs above +85C operating temperature.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified - automotive applications should consider PIC16F15313-E/RF or PIC16F15313 automotive-grade variants if available.
