PIC16LF15313-E/SN - 8-bit XLP MCU 3.5KB Flash 8-SOIC | Microchip
MPN: PIC16LF15313-E/SN ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.93 | $0.93 |
| 10 | $0.88 | $8.80 |
| 100 | $0.78 | $78.00 |
| 500 | $0.71 | $355.00 |
| 1,000 | $0.65 | $650.00 |
PIC16LF15313-E/SN Overview
The PIC16LF15313-E/SN belongs to the 8-bit microcontroller category within the broader taxonomy of microcontrollers -> MCU -> embedded controller -> semiconductor device. Within Microchip's portfolio, the device sits in the PIC16F/LF mid-range core family (14-bit instruction set) optimized for low-power general-purpose and battery-friendly applications. The "LF" prefix denotes the wide-voltage 1.8V-3.6V variant tuned for energy harvesting, IoT edge nodes, and eXtreme Low-Power (XLP) sleep currents down to the nanoampere range.
The device features four Core Independent Peripherals (CIPs) - CWG, CLC, NCO and PWM - that operate without CPU intervention. The integrated temperature indicator, 10-bit ADC with computation (ADC2) and 5/10-bit DAC simplify sensor conditioning. Memory Access Partition (MAP) supports bootloader-style protection, while Peripheral Pin Select (PPS) on the larger PIC16(L)F15323 sibling allows flexible signal routing. The 32 MHz internal oscillator eliminates the need for an external crystal in cost-sensitive designs.
Typical applications include battery-powered sensor nodes, IoT edge devices, consumer remote controls, LED lighting controllers, simple motor control loops, and low-cost touch/proximity user interfaces. The compact 8-SOIC footprint plus integrated analog make it a strong fit when board area, BOM count, and sleep current are simultaneously critical.
When designing with the PIC16LF15313-E/SN, do not exceed 3.6V on VDD and verify the absolute maximum current ratings on I/O pins (per datasheet). Use Microchip's MPLAB X IDE with XC8 compiler; the PIC16F/LF15313 device support is included in recent MCC versions. For production, Microchip's MAP bootloader option enables field firmware updates on the 3.5KB Flash image.
Drop-in alternatives for PIC16LF15313-E/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 PIC16LF15313-E/SN (same form factor and footprint) — differing in Comparators, Package, ADC, DAC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15313-I/SN
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16LF15313-I/SN
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16LF15313-E/SL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF15313T-I/SN
✅ Drop-In✓ In Stock
$0.38 / Unit
View Datasheet →PIC16LF15313-I/RF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.74 / Unit
View Datasheet →PIC16LF15323-E/SN
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF15313-E/SN Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit (14-bit instruction) |
| Program Memory | 3.5 KB (2K x 14) Flash |
| RAM | 256 bytes |
| EEPROM | 256 bytes |
| Max CPU Speed | 32 MHz (4 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 6 |
| ADC | 10-bit ADC2 with computation |
| DAC | 5-bit and 10-bit |
| Comparators | 1 (with selectable reference) |
| PWM Channels | 4 (10-bit) |
| Communication | EUSART (LIN), MSSP (SPI/I2C) |
| Core Independent Peripherals | CWG, 4x CLC, NCO, CCP |
| Special Features | Memory Access Partition (MAP), temp indicator, PPS |
| Package | 8-SOIC (SN) 3.90 mm |
| Operating Temperature | -40C to +125C (E suffix) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF15313-E/SN Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 2 | RA5 — Bidirectional I/O; analog input; IOC |
| Pin 3 | RA4 — Bidirectional I/O; analog input; IOC |
| Pin 4 | MCLR/RA3 — Reset input (active low) or digital I/O RA3 |
| Pin 5 | RC5/RX — Digital I/O or EUSART RX |
| Pin 6 | RC4/TX — Digital I/O or EUSART TX |
| Pin 7 | RC3 — Digital I/O; analog input; MSSP SCL/SCK |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC16LF15313-E/SN is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Consumer Remote Controls and HIDs, LED Lighting and Smart Switches, Small Motor Control and Fan Drivers, Industrial Sensor Conditioning and 4-20 mA Loops, Smart Home Edge Devices and Touch Interfaces, Wearable Health and Fitness Patches.
Battery-Powered IoT Sensor Nodes
The PIC16LF15313-E/SN's 1.8V-3.6V supply range and XLP nanoampere sleep currents make it ideal for battery-powered IoT sensor nodes that sleep most of the time and wake briefly to read a sensor and transmit. Its 10-bit ADC2 with computation, on-chip temperature indicator, and 3.5KB Flash accommodate typical sensor-hub firmware with calibration tables. The integrated EUSART and MSSP support LoRa, BLE, or sub-GHz module UART interfaces, while four CLCs let you glue logic without external gates.
Recommended
Consumer Remote Controls and HIDs
The PIC16LF15313-E/SN fits IR/RF remote controls, wireless mice, and small HID devices where coin-cell battery life is critical. Its 32 MHz core runs NEC/RC5 IR protocols in software while the CWG generates the 38 kHz carrier and the 10-bit PWM dims IR LEDs. Sleep current in the nanoampere range extends CR2032 life to multi-year operation. The 8-SOIC package fits in thin remote housings, and the integrated temp sensor lets the device self-calibrate IR output over temperature.
Recommended
LED Lighting and Smart Switches
The PIC16LF15313-E/SN's four 10-bit PWM channels and CWG (complementary waveform generator) suit smart LED drivers, dimmer switches, and decorative lighting controllers. The CWG produces dead-band-controlled complementary outputs for half-bridge FET drive, while PWM provides smooth logarithmic dimming. Its 1.8V minimum VDD enables direct LiFePO4 battery operation, and the 256B EEPROM stores fade tables and last-brightness state across power cycles.
Recommended
Small Motor Control and Fan Drivers
The PIC16LF15313-E/SN's CWG, 10-bit ADC, comparator and PWM make it a strong fit for small DC motor, BLDC sensorless, and fan-speed controllers. The CWG generates complementary PWM with programmable dead time for half-bridge FETs, while the comparator and ADC sense back-EMF for sensorless commutation. The 32 MIPS class MIPS rate closes current-control loops in firmware, and the wide 1.8V-3.6V VDD range covers 3.3V industrial fans and 2x AA toy motors alike.
Recommended
Industrial Sensor Conditioning and 4-20 mA Loops
The PIC16LF15313-E/SN's 10-bit ADC2 with computation, on-chip DAC, and EUSART are well-suited for low-power sensor conditioning, RTD/thermocouple cold-junction compensation, and loop-powered 4-20 mA sensor heads. The integrated temp indicator provides cold-junction compensation without an external sensor, while the 256B EEPROM stores calibration coefficients. The 8-SOIC and -40C to +125C operation suit industrial instrumentation enclosures.
Recommended
Smart Home Edge Devices and Touch Interfaces
The PIC16LF15313-E/SN suits smart-home edge controllers, capacitive touch keypads, and Zigbee/Matter bridge companions. Its 4x CLC blocks implement capacitive-touch scanning, button-debounce, and edge-detection logic without CPU load, while the MSSP drives I2C sensors and SPI displays. The PIC16LF15313-E/SN's MAP feature lets you ship bootloader-equipped devices for OTA firmware updates from a host MCU - critical for Matter/Thread commissioning flows.
Recommended
Wearable Health and Fitness Patches
The PIC16LF15313-E/SN's nanoamp sleep currents, 1.8V minimum VDD, and small 8-SOIC footprint suit wearable health patches - heart-rate straps, single-use temperature patches, and fitness bands. The 10-bit ADC with computation samples photoplethysmography (PPG) signals while the CWG drives LED bias. Battery life targets of 30 days on a CR2032 are realistic given XLP sleep currents. The on-chip temp sensor also enables skin-contact compensation.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF15313-E/SN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15313-I/SN | PIC16LF15313-I/SN | PIC16LF15313T-I/SN | PIC16LF15313-I/RF |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-SOIC (SN) | 8-SOIC (SN) - same | 8-SOIC (SN) - same | 8-SOIC (SN) - same | 8-UDFN (RF) - different |
| Supply Voltage Range | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| RAM | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Speed | 32 MHz (4 MIPS) | 32 MHz (4 MIPS) | 32 MHz (4 MIPS) | 32 MHz (4 MIPS) | 32 MHz (4 MIPS) |
| I/O Pins | 6 | 6 | 6 | 6 | 6 |
Key Differentiators
- Wide-voltage 1.8V-3.6V LF variant for battery and energy-harvesting designs (vs PIC16F15313-I/SN)
- Extended -40C to +125C E-grade temperature range (vs PIC16LF15313-I/SN)
- Four CLCs and CWG core-independent peripherals on-chip (vs PIC16LF18313-I/SN)
Design Notes
Estimated: at VDD = 3.3V and active CPU at 32 MHz, the PIC16LF15313-E/SN draws about 2.5 mA typical. In sleep (XLP) the device drops to ~30 nA typical per Microchip datasheet. Use the IDLE and DOZE modes plus peripheral module disable (PMD) registers to minimize active power. Decouple VDD with a 100 nF X7R placed within 3 mm of pin 1, with a bulk 1-10 uF tantalum or ceramic for switch-noise margin.
Do not exceed 3.6V on VDD - the PIC16LF15313-E/SN is the LF (low-voltage) variant. If your design has 5V rails, use the PIC16F15313-I/SN instead. The MCLR/RA3 pin (pin 4) defaults to MCLR; if you use it as RA3 you must disable the MCLR function in CONFIG1. RA0-RA2 are NOT bonded out on the 8-pin variant - this is a common migration error from PIC16F15323 14-pin designs.
Keep the VDD decoupling capacitor return path directly to pin 8 (VSS) with a short, wide trace to minimize switching noise coupling into ADC2 readings. Place the IC near board edge for the SOIC package to allow post-assembly programming and probing. For ADC applications, surround analog pins with a digital-ground moat and use a star-ground topology at the VSS pin to avoid ground-loop noise on the 10-bit ADC2 reference.
When using the MSSP in SPI master mode at 8 MHz with the PIC16LF15313-E/SN, route SCK with a series 33 ohm resistor to dampen reflections on long traces. For EUSART at 115200 baud, ensure baud-rate error is below 2% - use the high-frequency internal oscillator (HFINTOSC) tuned via OSCTUNE rather than the LFINTOSC 31 kHz source. The CWG output should be filtered if it drives long cables to limit EMI harmonics.
Compliance Information
RoHS and REACH compliant per Microchip product page. E-grade -40C to +125C is NOT AEC-Q100 qualified; choose automotive-grade PIC16F15313 variants (e.g., PIC16F15313-E/SNVAO) for AEC-Q100 requirements.
