PIC16LF15313-I/SN - 3.5KB Flash XLP 8-bit MCU | Microchip
MPN: PIC16LF15313-I/SN ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.4 | $1.40 |
| 10 | $1.22 | $12.20 |
| 100 | $1.05 | $105.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.78 | $780.00 |
PIC16LF15313-I/SN Overview
Key specifications include 4 PWM channels, a 10-bit ADC with computation, a 5-bit DAC, comparators, 4 Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), and EUSART plus SPI/I2C communication. The device operates from 1.8V to 3.6V and supports Microchip's eXtreme Low-Power (XLP) technology with sleep currents in the nanoamp range, making it suitable for battery-powered and energy-harvesting applications.
The PIC16LF15313 architecture uses an enhanced mid-range 8-bit CPU core with a 14-bit instruction word and hardware Multiply/Accumulate support through the CLC blocks. The Memory Access Partition (MAP) feature allows boot-loader code to reside in a protected Flash region while user code occupies the remainder, supporting secure field upgrades without external memory.
Typical applications include low-power sensor nodes, battery-powered IoT endpoints, simple LED lighting controllers, consumer remote controls, and portable instrumentation. The small 8-pin SOIC footprint is advantageous where PCB real estate is at a premium and a few general-purpose I/O pins are sufficient.
When designing with this device, ensure the configured system clock does not exceed 32 MHz and verify the power supply decoupling per the datasheet typical application circuit. Program memory endurance is rated at 100K Erase/Write cycles typical, with data EEPROM retention specified at 40 years minimum.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, optimized for engineers sourcing the PIC16LF15313-I/SN for low-power embedded designs.
Drop-in alternatives for PIC16LF15313-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 PIC16LF15313-I/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 →PIC16F15313-E/SN
✅ Drop-In✓ In Stock
$0.59 / Unit
View Datasheet →PIC16LF15313T-I/SN
✅ Drop-In✓ In Stock
$0.38 / Unit
View Datasheet →PIC16LF15313-E/SN
✅ Drop-In✓ In Stock
$0.65 / Unit
View Datasheet →ATTINY806-MFR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF15313-I/SN Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC enhanced mid-range |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 B |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| I/O Pins | 6 |
| ADC | 10-bit with computation |
| DAC | 5-bit |
| PWM Channels | 4 |
| Comparators | Yes (1 per device) |
| CLC (Configurable Logic Cells) | 4 |
| CWG (Complementary Waveform Generator) | Yes |
| Communication Peripherals | EUSART, SPI, I2C |
| Package | 8-pin SOIC (SN) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Programming Method | ICSP (In-Circuit Serial Programming) |
PIC16LF15313-I/SN Pin Configuration
| Pin 1 | RA2 — Digital I/O / analog input AN2 / CCP |
| Pin 2 | RA3 — Digital I/O / analog input AN3 / MCLR (Reset) |
| Pin 3 | RA4 — Digital I/O / analog input AN4 |
| Pin 4 | RA5 — Digital I/O / analog input AN5 |
| Pin 5 | GND — Ground reference |
| Pin 6 | RA0 — Digital I/O / ICSPDAT programming data |
| Pin 7 | RA1 — Digital I/O / ICSPCLK programming clock |
| Pin 8 | VDD — Positive supply (1.8V to 3.6V) |
Typical Applications
PIC16LF15313-I/SN is suitable for 6 applications: Battery-Powered IoT Sensor Node, Wireless Remote Control / BLE Beacon Companion, LED Lighting Controller / Smart Bulb Driver Interface, Portable Medical Sensor / Wearable Health Patch, Industrial Process Sensor / 4-20 mA Loop Transmitter, Consumer Appliance User Interface Board.
Battery-Powered IoT Sensor Node
The PIC16LF15313-I/SN's 1.8V to 3.6V supply range and XLP nanoamp sleep currents make it ideal for battery-powered IoT sensor nodes. With 3.5KB Flash and 256B SRAM, it can run a simple periodic-sampling firmware that wakes on timer interrupt, reads an analog sensor via the 10-bit ADC, and transmits via the EUSART to a low-power radio. The 32 MHz HFINTOSC eliminates the external crystal, saving board area and BOM cost. CIPs such as CLC and CWG can offload simple signal conditioning without waking the CPU, extending coin-cell battery life to several years in typical duty-cycled deployments.
Recommended
Wireless Remote Control / BLE Beacon Companion
The PIC16LF15313-I/SN's 4 PWMs and CWG make it ideal for serving as a companion microcontroller to a BLE module in remote control or beacon applications. Its 6 I/O pins are sufficient to drive IR LEDs, capacitive sense pads, and a status LED while communicating with the host MCU over EUSART or SPI. XLP sleep currents below 1 uA allow the device to remain attached to a coin-cell battery for years between user interactions. The 8-pin SOIC footprint is small enough for credit-card remote enclosures.
Recommended
LED Lighting Controller / Smart Bulb Driver Interface
The PIC16LF15313-I/SN's 4 PWM channels and Complementary Waveform Generator suit it to compact LED lighting controller sub-systems. The CWG can generate dead-band-controlled complementary outputs for driving MOSFET half-bridges, while one of the remaining PWMs handles dimming and another drives a status indicator. The 5-bit DAC combined with the comparator forms a hardware current-control loop, regulating LED brightness without firmware intervention. Low-voltage operation makes the part compatible with AC-DC constant-current LED drivers that supply 3.3V logic rails.
Recommended
Portable Medical Sensor / Wearable Health Patch
The PIC16LF15313-I/SN's low-voltage XLP operation and small 8-pin SOIC package make it suitable for disposable or short-life medical sensor patches. The 10-bit ADC with computation can sample a bio-impedance, pulse-oximeter, or temperature sensor channel while CIPs handle threshold detection in hardware, waking the CPU only on a real event. Its nanoamp sleep current preserves single-use coin-cell battery life across months of shelf plus days of wear-time. The compact SOIC footprint fits inside adhesive-patch form factors.
Recommended
Industrial Process Sensor / 4-20 mA Loop Transmitter
The PIC16LF15313-I/SN's 10-bit ADC and EUSART make it suitable for compact industrial sensor modules and 4-20 mA loop transmitters. The MCU can be paired with a low-side current DAC and a switching regulator that runs the loop, while the ADC continuously digitizes the sensor front-end. The 1.8V minimum supply lets the part operate directly from low-dropout rails inside the loop, and the -40C to +85C industrial temperature rating supports factory-floor environments. The Memory Access Partition feature supports secure in-field firmware updates.
Recommended
Consumer Appliance User Interface Board
The PIC16LF15313-I/SN's 6 I/O pins, 4 PWMs, and small 8-pin SOIC package suit it to consumer appliance user-interface boards where board area and BOM cost dominate. It can drive a small status display, scan a few capacitive touch pads via the CLC, and interface to the main appliance controller over EUSART or I2C. The CWG can produce complementary PWM signals for triac or MOSFET driving heater/valve circuits under software control. XLP operation allows the interface to remain responsive while drawing negligible standby current.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF15313-I/SN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15313-I/SN | PIC16F15313-E/SN | PIC16LF15313T-I/SN | PIC16LF15313-E/SN | ATTINY806-MFR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-pin SOIC (SN) | 8-pin SOIC (SN) - same | 8-pin SOIC (SN) - same | 8-pin SOIC (SN) - same | 8-pin SOIC (SN) - same | 8-pin SOIC (SN) - same |
| Core | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | AVR 8-bit |
| Program Memory | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 8 KB Flash |
| RAM | 256 B | 256 B | 256 B | 256 B | 256 B | 1 KB |
| Supply Voltage Range | 1.8 V to 3.6 V | 2.3 V to 5.5 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 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) |
| XLP Sleep Current | Typical nanoamp range | Typical nanoamp range | Typical nanoamp range | Typical nanoamp range | Typical nanoamp range | Typical microamp range |
Key Differentiators
- Same SOIC-8 footprint as higher-voltage F-variant, enabling single BOM for multiple product variants (vs PIC16F15313-I/SN)
- Extended temperature grade option in the same SOIC-8 footprint (vs PIC16LF15313-E/SN)
- Core Independent Peripherals (CLC, CWG) reduce firmware overhead (vs ATTINY806-MFR)
Design Notes
Estimated: at VDD=3.3V and CPU idle, the PIC16LF15313 draws under 1 uA in Sleep mode with WDT disabled. To achieve this, disable all unused peripherals via PMDx registers, switch the system clock to LFINTOSC before entering Sleep, and ensure no I/O pin is left floating (each floating input can add several microamps of leakage). Place a 0.1 uF decoupling capacitor within 5 mm of the VDD pin and a 10 uF bulk capacitor nearby to suppress supply transients during wake-up peaks.
When using the MCLR function on pin 4 (RA3/MCLR), ensure a 10 kohm pull-up resistor to VDD is present; without it, the device may experience spurious resets or fail to start. The MCLR function is enabled by the MCLRE configuration bit. For RA3 digital I/O use, the MCLRE bit must be cleared. Always set the configuration word's WDT to your application's timeout requirement before programming; the default WDT is enabled and may trigger unexpected resets during long calibration delays.
Place the 8-pin SOIC package on a ground pour for thermal and EMI benefits; the exposed lead frame under the SOIC body is not accessible on the SN package, so thermal dissipation is through the leads. Keep all high-speed traces (PWM, EUSART) shorter than 25 mm where possible and route them over a continuous ground plane to reduce emissions. Provide a 4.7 kohm pull-up on the I2C SDA/SCL lines if used, and add ESD protection diodes on external-facing pins for industrial applications.
For accurate 10-bit ADC measurements, add a 100 nF ceramic bypass capacitor directly at the analog input pin and use the dedicated ANx channels with the analog input disabled digital I/O on adjacent pins. The ADC conversion clock must be set per datasheet guidelines (typically Fosc/64 or slower for full 10-bit accuracy). Sampling very high-impedance sources (>10 kohm) may require a longer acquisition time; consult the AC electrical characteristics section of the datasheet for the recommended TACQ value.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified in the base industrial grade; AEC-Q100 variants are not listed for the 8-pin SOIC option. Lead-free and halogen-free manufacturing process per Microchip environmental compliance documentation.
