PIC16F15313T-I/SN - 8-bit 32MHz 3.5KB Flash MCU | Microchip
MPN: PIC16F15313T-I/SN ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.86 | $0.86 |
| 10 | $0.78 | $7.80 |
| 100 | $0.66 | $66.00 |
| 500 | $0.55 | $275.00 |
| 1,000 | $0.47 | $470.00 |
| 3,300 | $0.4 | $1,320.00 |
PIC16F15313T-I/SN Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, Flash program memory, RAM, and a mix of digital and analog peripherals. PIC microcontrollers sit in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC16F15313T-I/SN belongs to the Microchip enhanced mid-range family, which adds C compiler-friendly instructions, peripheral pin select, and faster context switching relative to legacy baseline or mid-range cores.
Key features include 256 bytes of SRAM, four 10-bit PWMs, a 5-bit DAC, a comparator, a 10-bit ADC, four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), one EUSART, and SPI/I2C interfaces. The XLP IDLE and DOZE modes together with Peripheral Module Disable (PMD) allow aggressive current reduction by gating unused peripheral clocks. Peripheral Pin Select (PPS) lets remapable digital functions move between pins, simplifying PCB routing on the small 8-pin footprint.
Architecture-wise the chip combines an 8-bit data path with a 14-bit instruction word, providing 49 instructions and 16 stack levels. The on-board 32 MHz internal oscillator eliminates the need for an external crystal in cost-sensitive designs, while the low-power brown-out reset and watchdog timer improve field reliability.
Typical applications include consumer remote controls, IoT sensor nodes, low-power wireless companions, LED lighting controllers, battery chargers, and small appliance controls. Industrial use cases span HVAC damper actuators, smart thermostats, and portable instrumentation where the SOIC-8 footprint and 32 MHz performance fit the bill.
When designing with this part, reserve an unused GPIO for In-Circuit Serial Programming (ICSP) to allow firmware updates in the field, and budget Flash endurance of 10K erase/write cycles plus 40-year data retention per Microchip datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F15313T-I/SN — 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 PIC16F15313T-I/SN (same form factor and footprint) — differing in Package, ADC, DAC, I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15313-I/SN
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16F15313T-I/SN
✅ Drop-In✓ In Stock
$0.4 / Unit
View Datasheet →PIC16F18313T-I/SN
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F18313-E/SN
✅ Drop-In📋 Reference alternative (not in catalog)
PIC12F1572-I/SN
✅ Drop-In✓ In Stock
$0.75 / Unit
View Datasheet →PIC16F15313-I/P
✅ Drop-In✓ In Stock
$0.51 / Unit
View Datasheet →PIC16F15313T-I/SN Maximum Ratings & Electrical Characteristics
| Core | Enhanced Mid-range 8-bit PIC |
| Instruction Set | 49 instructions, 16 stack levels |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data SRAM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | 6 (with 1 input-only) |
| DAC | 5-bit |
| Comparators | 1 |
| PWM Modules | 4 x 10-bit |
| CLC | 4 Configurable Logic Cells |
| CWG | Complementary Waveform Generator |
| EUSART | 1 |
| SPI / I2C | 1 SPI, 1 I2C |
| Peripheral Pin Select (PPS) | Yes |
| Peripheral Module Disable (PMD) | Yes |
| eXtreme Low Power (XLP) | IDLE and DOZE modes |
| Internal Oscillator | 32 MHz HF and 31 kHz LF |
| Watchdog Timer | Yes |
| Brown-out Reset | Yes |
| In-Circuit Serial Programming (ICSP) | Yes |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 8-pin SOIC (SN), 3.90 mm body width |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F15313T-I/SN Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.3 V to 5.5 V) |
| Pin 2 | RA5 — Bidirectional I/O pin / analog input |
| Pin 3 | RA4 — Bidirectional I/O pin / analog input |
| Pin 4 | RA3/MCLR — Input-only pin / Master Clear (reset) with internal pull-up |
| Pin 5 | RC5 — Bidirectional I/O pin / analog input |
| Pin 6 | RC4 — Bidirectional I/O pin / analog input |
| Pin 7 | RC3 — Bidirectional I/O pin / analog input |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC16F15313T-I/SN is suitable for 6 applications: Consumer Remote Control, Battery-Powered IoT Sensor Node, LED Lighting Controller, Smart Thermostat Sensor Module, Small Appliance Control Board, Portable Instrumentation Front-End.
Consumer Remote Control
The PIC16F15313T-I/SN fits consumer IR remote controls thanks to its 32 MHz CPU clock (fast enough for IR carrier generation and protocol decoding) and 6 GPIO on the SOIC-8 footprint. The 4 x 10-bit PWMs drive LED backlight dimming while CWG generates the 38 kHz IR carrier without software overhead. XLP IDLE mode drops quiescent current below 1 uA between button presses, extending coin-cell battery life to multi-year operation. The integrated 32 MHz HF and 31 kHz LF internal oscillators eliminate external crystals, reducing BOM cost. PPS lets the EUSART or SPI share pins with buttons, freeing I/O for additional keys.
Recommended
Battery-Powered IoT Sensor Node
The PIC16F15313T-I/SN excels in wireless sensor endpoints where every microamp counts. Its XLP IDLE and DOZE modes plus PMD peripheral disable feature let the CPU core draw nanoamp-level standby current while the 31 kHz LF oscillator keeps timers running for periodic wake-ups. The 4 CLC cells implement glue logic to wake the radio on sensor threshold crossings without CPU intervention, extending battery life to 5-10 years on a CR2032. Peripheral Pin Select frees the few GPIO pins for both sensor I/O and the radio's SPI interface, and the 10-bit ADC reads battery voltage and sensor output directly. Industrial -40C to +85C temperature grade handles outdoor deployments.
Recommended
LED Lighting Controller
The PIC16F15313T-I/SN drives LED lighting controllers via its 4 x 10-bit PWM channels and CWG (Complementary Waveform Generator). The CWG produces dead-band-controlled complementary outputs suitable for half-bridge LED drivers and small DC motor control, while the PWMs handle dimming and color-mixing for RGBW fixtures. The 5-bit DAC drives analog control loops, and the comparator provides hardware over-current protection without software latency. Operating from 2.3V to 5.5V, the MCU accepts direct Li-ion battery connection for portable lighting. The SOIC-8 footprint fits small-form-factor bulb designs, and XLP DOZE mode maintains dimming response while saving power.
Recommended
Smart Thermostat Sensor Module
The PIC16F15313T-I/SN serves as the remote sensor MCU in smart thermostat architectures where multiple rooms report temperature to a central controller. The 10-bit ADC reads thermistor or digital temperature sensors via SPI/I2C with EUSART, transmitting results over a wired or wireless link. XLP IDLE mode drops quiescent current below 1 uA, allowing battery-powered sensors to last multiple heating seasons. The industrial -40C to +85C temperature range handles attic and basement installations, and the SOIC-8 footprint fits inside wall-mount sensor enclosures. PPS remaps the UART to share pins with the temperature sensor bus.
Recommended
Small Appliance Control Board
The PIC16F15313T-I/SN handles user-interface and timing functions in coffee makers, fans, and kitchen appliances where the SOIC-8 footprint and 32 MHz performance provide enough headroom for button debouncing, PWM motor control, and segment-LED multiplexing. The 4 PWMs drive small DC motors or fan speeds, while the CLC cells implement hardware button-press debouncing without CPU load. Brown-out reset and watchdog timer prevent field lock-ups. Industrial temperature grade accommodates under-hood or kitchen-counter environments, and the internal oscillator eliminates external timing components to reduce BOM cost in price-sensitive consumer appliances.
Recommended
Portable Instrumentation Front-End
The PIC16F15313T-I/SN is well-suited for handheld multimeters and portable test gear where its 10-bit ADC, 5-bit DAC, and integrated comparator provide sensor signal conditioning. EUSART or SPI/I2C interfaces connect to displays and PC-based data loggers, while PPS remaps these peripherals to the few available SOIC-8 GPIO. The 4 CLC cells implement window-comparator logic for go/no-go testing without software overhead. XLP IDLE mode extends battery life during standby, and the industrial temperature range handles field environments. In-Circuit Serial Programming (ICSP) allows firmware updates for new measurement algorithms.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15313T-I/SN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15313-I/SN | PIC16F18313T-I/SN | PIC16F18313-E/SN | PIC12F1572-I/SN |
|---|---|---|---|---|---|
| Package | SOIC-8 (SN) | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same | SOIC-8 (SN) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core | Enhanced Mid-range 8-bit | Enhanced Mid-range 8-bit | Enhanced Mid-range 8-bit | Enhanced Mid-range 8-bit | Enhanced Mid-range 8-bit |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| SRAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| PWM Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 16-bit (HRPWM) |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) |
| RoHS / Lead-Free | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
Key Differentiators
- 4 CLC cells vs 2 in PIC16F18313 family (vs PIC16F18313T-I/SN)
- 10-bit PWM standard vs 16-bit HRPWM (vs PIC12F1572-I/SN)
- Tape-and-reel packaging for SMT (vs PIC16F15313-I/SN)
- Industrial temperature grade vs Extended (vs PIC16F18313-E/SN)
Design Notes
Reserve pin RA3/MCLR (pin 4) for the In-Circuit Serial Programming (ICSP) interface with a 10 kohm pull-up to VDD. Without this pull-up, the MCU may fail to enter programming mode reliably, especially with long ICSP cables. Use a 100 nF decoupling capacitor as close as physically possible to VDD (pin 1) and VSS (pin 8), with traces short and direct to minimize supply noise during PWM transitions.
Activate XLP IDLE mode whenever the MCU is waiting for an interrupt or timer event - this drops core current into the nanoamp range while keeping RAM and peripherals active. Use Peripheral Module Disable (PMD) registers to gate clocks to unused peripherals (ADC, DAC, PWM, CWG) during sleep to achieve sub-microamp standby current. The internal 31 kHz LF oscillator can run from the WDT or RTCC during sleep without the HF oscillator.
Do not drive pin RA3/MCLR below VSS or above VDD - it is input-only and lacks the standard CMOS input protection of other GPIO. Avoid using pin RA4 as the sole ICSPDAT line because it conflicts with the oscillator in some configurations; prefer RA3/MCLR plus a dedicated ICSPDAT pin. Always configure unused pins as outputs driving low to minimize current leakage in low-power designs.
When using the CLC cells for hardware glue logic, route the CLC inputs and outputs through PPS-mapped pins rather than fixed-function pins to keep PCB routing flexible. Place the HF oscillator crystal (if used externally) within 5 mm of the OSC pins with a grounded guard ring to prevent noise coupling into the ADC. Decouple the analog AVdd/AVss pins (if available) with a separate 10 uF + 100 nF pair to keep ADC readings stable.
Compliance Information
RoHS compliant per Microchip product page and jrhelectronics listing. Not AEC-Q100 qualified - choose PIC16F18313-E/SN for extended-temperature applications.
