PIC16LF18313-E/P - 8-bit XLP MCU 3.5KB Flash | Microchip
MPN: PIC16LF18313-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.14 | $1.14 |
| 10 | $1.05 | $10.50 |
| 100 | $0.92 | $92.00 |
| 500 | $0.81 | $405.00 |
| 1,000 | $0.72 | $720.00 |
PIC16LF18313-E/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and a set of peripherals (timers, ADC, comparators, communication ports) into one IC. PIC microcontrollers use a Harvard architecture with separate program and data buses, executing one instruction per clock cycle via the enhanced mid-range core. This category sits hierarchically between microprocessors (no on-chip memory/peripherals) and SoCs (multi-core, gigahertz class), serving the low-power, deterministic embedded control segment.
Key features include a 10-bit ADC with computation, a 5-bit DAC, two analog comparators, a Core Independent Peripherals (CIP) block set (CLC, NCO, CWG, CCP, PWM), Peripheral Pin Select (PPS) for flexible signal routing, eXtreme Low Power sleep modes with nanoWatt XLP technology, and on-chip debugging via the ICD interface. The device supports up to 6 I/O pins through PPS despite the small 8-pin count, enabling compact sensor-interface and IoT node designs.
Architecturally, the PIC16LF18313 implements a 14-bit instruction word, hardware stack, and a vectored interrupt controller. The 32 MHz internal oscillator eliminates the need for external crystals in cost-sensitive designs, and PPS allows designers to remap digital peripherals to almost any pin, reducing PCB constraints. The combination of CIP blocks and PPS makes the device adaptable to LED driving, power conversion feedback, and timing-critical control tasks without external glue logic.
Typical applications include IoT sensor nodes, battery-powered remote controls, low-power wireless companions, LED lighting controllers, and consumer appliance user-interface boards. The wide VDD range (1.8–3.6 V) also supports direct connection to single-cell Li-ion or two-cell alkaline battery stacks. In industrial automation, it serves simple supervisory tasks such as fan control, pump sequencing, and HMI keypad scanning.
When designing with this part, prioritize PPS assignments early because pin remapping determines which peripherals can coexist on the 8-pin footprint. Provide at least 100 nF of decoupling close to VDD and reserve a 10 µF bulk capacitor if the supply is shared with RF or motor loads.
This page synthesizes distributor pricing, drop-in 8-PDIP alternatives from the PIC16 family, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for PIC16LF18313-E/P — 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 PIC16LF18313-E/P (same form factor and footprint) — differing in Package, ADC, Program Memory (Flash), I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18313-E/P
✅ Drop-In✓ In Stock
$0.75 / Unit
View Datasheet →PIC16LF18313-I/P
✅ Drop-In✓ In Stock
$0.81 / Unit
View Datasheet →PIC16LF1826-E/P
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16LF1703-E/P
✅ Drop-In✓ In Stock
$0.65 / Unit
View Datasheet →PIC16F1829-E/P
✅ Drop-In✓ In Stock
$1.41 / Unit
View Datasheet →PIC16LF1574-E/P
✅ Drop-In✓ In Stock
$1.24 / Unit
View Datasheet →PIC16LF18313-E/P Maximum Ratings & Electrical Characteristics
| Family | PIC® XLP™ 16F |
| Core | Enhanced Mid-Range 8-bit PIC16 |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data Memory (SRAM) | 256 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (E = Extended) |
| I/O Pins | 6 (via Peripheral Pin Select) |
| ADC | 10-bit, with computation |
| DAC | 5-bit |
| Comparators | 2 |
| PWM / CCP Channels | 10-bit PWM, CCP |
| CIP Blocks | CLC, NCO, CWG, PPS |
| Low-Power Feature | nanoWatt XLP eXtreme Low Power |
| Package | 8-PDIP (DIP-8, 0.300 inch / 7.62 mm) |
| Mounting Type | Through-Hole |
| MSL Level | 1 (unlimited floor life at <30 C / 85 % RH) |
| RoHS Status | Compliant |
PIC16LF18313-E/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 2 | RA5 — Bidirectional I/O pin with PPS; analog capable |
| Pin 3 | RA4 — Bidirectional I/O pin with PPS; analog capable |
| Pin 4 | RA3/MCLR — I/O pin or Master Clear (reset) input; weak pull-up enabled by config |
| Pin 5 | RA2 — Bidirectional I/O pin with PPS; analog capable |
| Pin 6 | RA1 — Bidirectional I/O pin with PPS; analog capable |
| Pin 7 | RA0 — Bidirectional I/O pin with PPS; analog capable |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC16LF18313-E/P is suitable for 7 applications: IoT Sensor Node Controller, Battery-Powered Remote Control, LED Lighting Controller, Consumer Appliance User Interface, Industrial Automation Supervisory Control, Portable Medical / Health Monitoring Device, Low-Power Wireless Companion MCU.
IoT Sensor Node Controller
The PIC16LF18313-E/P fits IoT sensor nodes because its nanoWatt XLP sleep current (sub-µA typical per Microchip datasheet DS40001826B) preserves coin-cell battery life across months of duty-cycled sensing. The 10-bit ADC with computation delivers post-processing hardware averaging without waking the CPU, while the 32 MHz core handles quick BLE/sub-GHz radio handshakes. Designers place the MCU between a low-power sensor (temperature, humidity, PIR) and a companion radio, using PPS to remap UART/SPI to any of the 6 I/O pins. Total quiescent draw in sleep mode stays under 1 µA, enabling multi-year deployment on two AAA cells when sensor reads happen every few minutes.
Recommended
Battery-Powered Remote Control
For IR/RF remote controls, the PIC16LF18313-E/P's 1.8 V minimum supply enables direct operation from a single CR2032 coin cell (3.0 V nominal) without boost circuitry. The NCO block synthesizes accurate carrier frequencies (e.g., 38 kHz for IR or 433 MHz sub-harmonic for RF) in hardware, freeing the CPU for button-debounce and protocol encoding. CWG generates complementary PWM outputs for haptic feedback or LED backlighting. Sleep current in the nA range means a typical remote lasts 3-5 years on a single coin cell. PPS lets designers assign the UART, PWM, and IRQ pins to whichever 8-PDIP pad suits the PCB layout.
Recommended
LED Lighting Controller
The PIC16LF18313-E/P drives LED lighting strips via its 10-bit PWM and CWG (Complementary Waveform Generator) blocks, enabling smooth dimming and dead-time control for half-bridge LED drivers without external logic. The CLC allows real-time hardware reactions to faults (over-temperature, over-current) that bypass the CPU entirely, delivering deterministic protection in <100 ns. The 5-bit DAC combined with the analog comparators provides constant-current loop regulation for high-brightness LEDs. Operating from 1.8–3.6 V the MCU drives low-voltage LED strings directly via logic-level MOSFETs, and the 32 MHz CPU is more than fast enough for DMX or DALI soft-stack protocols in firmware.
Recommended
Consumer Appliance User Interface
The PIC16LF18313-E/P handles HMI keypad scanning, rotary encoder input, and small TFT/OLED driving in appliance front panels. The on-chip comparators debounce mechanical key contacts in hardware, eliminating software jitter, and the CLC generates precise timing for buzzer feedback tones. PPS lets the designer place UART (for diagnostics), PWM (for backlight dimming), and I2C (for the display) on any pin to ease PCB routing. With 3.5 KB Flash and 256 B SRAM, the device runs typical UI state machines with room for firmware updates. Operating from 1.8–3.6 V it connects directly to 3.3 V appliances or via LDO to 5 V rails.
Recommended
Industrial Automation Supervisory Control
In industrial settings, the PIC16LF18313-E/P serves as a watchdog supervisor for fan speed, pump sequencing, and small PLC I/O expansion. The 10-bit ADC reads 4-20 mA loop signals through a sense resistor, while the comparator triggers shutdown on over-current conditions in hardware. The 32 MHz core executes Modbus RTU slave stacks, and the 256-byte EEPROM logs fault codes that survive power cycles. The -40 to +125 C extended grade (E suffix) is qualified for harsh factory environments, and PPS allows the same 8-PDIP board to host different pin assignments across product variants. CWG generates timing for solid-state relay control of AC loads.
Recommended
Portable Medical / Health Monitoring Device
The PIC16LF18313-E/P powers portable health peripherals (pulse oximeter front-ends, smart thermometer probes, pill-box reminders) thanks to its XLP nanoWatt technology and 1.8 V minimum supply. The 10-bit ADC samples analog front-end signals from PPG or thermistor bridges, while the CWG drives LED modulation for optical measurements. The 256 B EEPROM stores calibration coefficients that survive battery swaps. PPS remaps I2C to the SCL/SDA pads required by medical sensor modules, and the on-chip comparator provides hardware-isolated safety thresholds. The 32 MHz core executes lightweight BLE pairing routines while the device spends most of its life in <1 µA sleep.
Recommended
Low-Power Wireless Companion MCU
The PIC16LF18313-E/P acts as a sensor-aggregation companion to a main BLE/LoRa/Sub-GHz transceiver, offloading ADC sampling and pre-processing so the radio module can stay in its lowest sleep state longer. The NCO synthesizes precise timing for radio event triggers, while the CLC reacts to external interrupts without CPU wake-up - critical for sub-1 µA average current in mesh nodes. With 3.5 KB Flash the MCU runs custom MAC extensions and over-the-air firmware patches. PPS assigns SPI to the radio pads and UART to a debug header without changing the 8-PDIP PCB. The wide 1.8–3.6 V range matches typical coin-cell and Li-Po supplies used in wearables.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18313-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18313-E/P | PIC16LF18313-I/P | PIC16LF1826-E/P | PIC16LF1703-E/P | PIC16F1829-E/P | PIC16LF1574-E/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-PDIP (DIP-8) | 8-PDIP (DIP-8) - same | 8-PDIP (DIP-8) - same | 8-PDIP (DIP-8) - same | 8-PDIP (DIP-8) - same | 8-PDIP (DIP-8) - same | 8-PDIP (DIP-8) - same |
| Flash Memory | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 1.75 KB (-50%) | 3.5 KB | 14 KB | 7 KB |
| SRAM | 256 B | 256 B | 256 B | 128 B (-50%) | 256 B | 1024 B | 256 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V | 1.8 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 | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| ADC | 10-bit with computation | 10-bit with computation | 10-bit with computation | 10-bit | 10-bit | 10-bit with computation | 10-bit |
| CIP Blocks | CLC + NCO + CWG + CCP + PWM + PPS | CLC + NCO + CWG + CCP + PWM + PPS | CLC + NCO + CWG + CCP + PWM + PPS | PWM + ECCP only (no NCO/CLC) | PWM + COG only | CLC + NCO + CWG + CCP + PWM + PPS | PWM only |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +125 C | -40 C to +85 C (Industrial) | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
| Approx. Unit Price (USD, qty 1) | 1.14 | 1.14 | 1.10 | 1.05 | 1.10 | 1.85 | 1.30 |
Key Differentiators
- Full CIP block set in 8-PDIP (vs PIC16LF1826-E/P)
- Low-voltage LF optimization (vs PIC16F18313-E/P)
- 32 MHz with 3.5 KB Flash in 8 pins (vs PIC16LF1703-E/P)
Design Notes
Place a 100 nF ceramic decoupling capacitor within 3 mm of VDD (pin 1) and a 10 µF bulk capacitor on the same node if the supply is shared with RF or motor loads. For battery-powered designs, add a 1 MΩ resistor from VDD to RA3/MCLR if MCLR is unused for reset, to avoid floating-input current spikes. The PIC16LF18313-E/P's nanoWatt XLP sleep current can drop below 1 µA only when all unused pins are configured as outputs low or inputs with weak pull-ups disabled - check the WPU register during firmware bring-up.
The 8-pin PDIP footprint has 2.54 mm (0.100 inch) pin pitch - the most common through-hole pitch. Route the ICSP clock (RA1/RA2) and data (RA0) signals on the same PCB side as the ICD header to keep programming-stub traces short (<50 mm). Keep analog inputs (RA0-RA5) away from digital switching nodes (PWM outputs, clock traces) by at least 2x the trace-to-trace spacing to avoid ADC crosstalk. The exposed pad variant (PIC16LF18313-E/RF) requires a thermal pad, but the PDIP package has no thermal pad and dissipates heat through the leads only.
Do not assume RA3 is a normal I/O - it doubles as MCLR and the device may not start if RA3 floats low. Configure the MCLRE configuration bit to disable MCLR when using RA3 as I/O. The PPS module requires explicit unlock sequence (PPSLOCKED bit clear) before remapping peripherals; failing to do so silently ignores writes. Watchdog timer (WDT) is enabled by default on some device revisions - explicitly disable or service it in long delays to avoid unintended resets. ADC reference voltage defaults to VDD; for accurate measurements, switch to the internal 1.024 V or 2.048 V reference (FVR) and allow the FVR to stabilize (>=20 µs) before sampling.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - select -Q1 (automotive grade) variant for automotive applications. Halogen-free status not explicitly confirmed in the Verified Web Data.
