PIC16LF1507-I/P - 8-Bit MCU, 3.5KB Flash, 18 I/O, 20MHz | Microchip
MPN: PIC16LF1507-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.96 | $1.96 |
| 10 | $1.74 | $17.40 |
| 100 | $1.43 | $143.00 |
| 500 | $1.21 | $605.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16LF1507-I/P Overview
What is a PIC16 microcontroller? An 8-bit PIC microcontroller (MCU) is a single-chip computer built around Microchip's RISC architecture, integrating a CPU core, Flash program memory, SRAM, peripherals, and I/O. PIC16 devices sit in the 'Mid-Range 14-bit instruction' family, the workhorse tier used in tens of billions of units for embedded control. PIC MCUs are widely adopted because of their deterministic instruction timing, low power consumption, and broad peripheral integration, making them ideal for cost-sensitive consumer and industrial applications. The PIC16LF1507 specifically targets low-voltage, low-power designs that require more on-chip intelligence than basic logic but do not justify a 32-bit MCU.
Key features of the PIC16LF1507-I/P include 3.5KB self-read/write Flash, 128B SRAM, an integrated 16MHz internal oscillator with 31 kHz low-power mode, an internal temperature indicator, 25 mA source/sink capability per I/O, and a wide operating voltage range of 1.8V to 3.6V. The device supports in-circuit serial programming (ICSP) and enhanced low-power sleep modes with current draw typically below 1 uA, enabling battery-powered designs.
Architecturally, the PIC16LF1507 uses Microchip's enhanced mid-range core with 49 instructions and 16-level hardware stack, providing C-friendly programming while preserving the deterministic interrupt latency characteristic of the PIC architecture. The CLC, NCO, and CWG peripherals let designers replace discrete analog and timer circuitry with on-chip logic, reducing BOM cost and PCB area.
Typical applications include low-power IoT sensor nodes, consumer electronics remote controls, LED lighting controllers, battery chargers, small home appliances, and white-goods user interfaces. The industrial-grade temperature rating also makes it suitable for factory automation peripherals and HVAC controllers.
When designing with this MCU, prioritize using the internal 16 MHz oscillator to minimize external component count. Ensure that the ICSPDAT/ICSPCLK pins are accessible for in-circuit firmware programming and debugging, and follow Microchip's recommended decoupling (100 nF ceramic plus 10 uF bulk) within 4 mm of the VDD pin.
This page synthesizes distributor pricing, drop-in PIC16 family alternatives, and practical design notes not found in the bare manufacturer datasheet.
Drop-in alternatives for PIC16LF1507-I/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 PIC16LF1507-I/P (same form factor and footprint) — differing in Package, Operating Temperature, Internal Oscillator, Mounting Type, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1507-E/P
✅ Drop-In✓ In Stock
$1.22 / Unit
View Datasheet →PIC16LF1507-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.55 / Unit
View Datasheet →PIC16LF1507-I/SO
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16LF1507-I/SS
✅ Drop-In✓ In Stock
$0.75 / Unit
View Datasheet →PIC16F1507-I/P
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16LF1509-I/P
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF1507-I/P Maximum Ratings & Electrical Characteristics
| Family | PIC16 (Mid-Range 14-bit core) |
| Core Architecture | 8-bit RISC, 49 instructions, 16-level stack |
| Program Memory | 3.5 KB (2K x 14) Flash |
| Data Memory (SRAM) | 128 B |
| Non-volatile Data Storage | 128 B (EEPROM-like Flash area) |
| Maximum CPU Frequency | 20 MHz |
| Internal Oscillator | 16 MHz HF + 31 kHz LF (HFINTOSC with 2x PLL option) |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 18 |
| ADC | 10-bit, up to 12 channels |
| PWM Channels | 4 (Standalone PWM) |
| Special Peripherals | CLC (x2), CWG, NCO, Temperature Indicator |
| I/O Source/Sink | 25 mA per pin |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 20-pin PDIP (P) |
| Mounting Type | Through-Hole |
| Programming/Debug | ICSP (2-wire) via ICD/PICkit |
| RoHS Status | Compliant |
| MSL Level | 1 (Not moisture sensitive for PDIP) |
PIC16LF1507-I/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 2 | RA5 — Bidirectional I/O / ADC channel |
| Pin 3 | RA4 — Bidirectional I/O / ADC channel |
| Pin 4 | RA3/MCLR — I/O or Master Clear (reset) input |
| Pin 5 | RC5 — Bidirectional I/O / PWM |
| Pin 6 | RC4 — Bidirectional I/O |
| Pin 7 | RC3 — Bidirectional I/O / PWM |
| Pin 8 | RC2 — Bidirectional I/O |
| Pin 9 | RC1 — Bidirectional I/O / ICSPCLK |
| Pin 10 | RC0 — Bidirectional I/O / ICSPDAT |
| Pin 11 | RA2 — Bidirectional I/O / ADC channel |
| Pin 12 | RA1 — Bidirectional I/O / ADC channel / ICSPCLK alt |
| Pin 13 | RA0 — Bidirectional I/O / ADC channel / ICSPDAT alt |
| Pin 14 | RC7 — Bidirectional I/O / PWM |
| Pin 15 | RC6 — Bidirectional I/O / PWM |
| Pin 16 | RC5 (alt) — Bidirectional I/O |
| Pin 17 | RC4 (alt) — Bidirectional I/O |
| Pin 18 | RC3 (alt) — Bidirectional I/O |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RA7 — Bidirectional I/O / ADC channel |
Typical Applications
PIC16LF1507-I/P is suitable for 6 applications: Battery-Powered IoT Sensor Node, Consumer Remote Control (IR/RF), LED Lighting Controller, Small Home Appliance Control Board, HVAC Sensor Peripheral Module, Toy and Hobby Electronics.
Battery-Powered IoT Sensor Node
Why the PIC16LF1507-I/P fits this application: The 1.8V minimum VDD lets the MCU run directly from a single CR2032 coin cell (3V nominal) down to its end-of-life, while typical sleep current in the low uA range keeps battery life long. The integrated 10-bit ADC with 12 channels can sample multiple analog sensors (temperature, light, battery voltage) without external components, and the internal 16 MHz HFINTOSC eliminates the need for an external crystal, reducing BOM cost and PCB area. How it is used and performance consideration: The MCU wakes periodically (every few seconds to minutes) via the Watchdog Timer or Real-Time Clock, samples the sensors with the ADC in sleep mode using the LFINTOSC, processes the data, transmits via a low-power radio like the MRF89XA, and returns to sleep. The CLC and NCO peripherals can also generate custom timing signals to the radio without involving the CPU, saving additional power. Trade-off: the 3.5 KB Flash limits the application to simple sensor protocols; complex stacks like full BLE require a more capable MCU.
Recommended
Consumer Remote Control (IR/RF)
Why the PIC16LF1507-I/P fits this application: The CWG (Complementary Waveform Generator) can directly produce accurate IR carrier frequencies (typically 36-40 kHz) without CPU overhead, freeing the core to manage button scanning and protocol encoding. The 4-channel PWM module can drive IR LEDs, status LEDs, or haptic feedback, and the 128 B SRAM is sufficient for IR protocols like NEC, RC5, or Sony SIRC. The 1.8V-3.6V VDD range works directly from a single AAA or CR2032 cell. How it is used and performance consideration: Buttons connect directly to GPIO with internal weak pull-ups enabled, eliminating external resistors. The CWG produces the modulated IR carrier while a PWM channel controls LED brightness. The MCU enters sleep between button presses, drawing <1 uA. Trade-off: the 20 MHz CPU speed is more than enough for IR protocols; if RF protocols like BLE are needed, choose a more capable MCU with hardware crypto.
Recommended
LED Lighting Controller
Why the PIC16LF1507-I/P fits this application: The 4-channel Standalone PWM can drive RGBW LED strings with 10-bit resolution for smooth dimming and color mixing, and the CWG can generate complementary drive signals for half-bridge LED drivers without software timing. The 10-bit ADC reads ambient light sensors or potentiometers for dimming feedback, and the 25 mA source/sink capability can drive small signal LEDs directly without external MOSFETs. How it is used and performance consideration: PWM channels are assigned to Red, Green, Blue, and White channels; the CWG handles high-frequency switching while PWM handles low-frequency dimming. The ADC samples a photodiode or potentiometer every 10 ms and adjusts PWM duty cycles accordingly. Trade-off: for high-power LEDs (>100 mA per channel), external MOSFET drivers like the MIC4427 are required; the MCU only generates the logic-level control signals.
Recommended
Small Home Appliance Control Board
Why the PIC16LF1507-I/P fits this application: Industrial -40C to +85C temperature rating covers under-cabinet kitchen environments, while 18 I/O pins easily handle a 4x4 keypad matrix, 7-segment display, relay drivers, and buzzer. The NCO (Numerically Controlled Oscillator) generates precise tone frequencies for the buzzer without CPU load, and the CLC combines multiple sensor signals to trigger safety shutdowns in hardware without software latency. How it is used and performance consideration: The MCU reads the keypad matrix, drives the 7-segment display via the PWM channels, controls relays via GPIO with the 25 mA source capability, and monitors temperature/door sensors via the ADC. The CLC implements safety interlocks in hardware so a software bug cannot disable them. Trade-off: for appliances needing UL/IEC 60730 functional safety, the PIC16LF1507 is not IEC 60730-class B certified - choose the PIC16F1613 or PIC16F1713 for those designs.
Recommended
HVAC Sensor Peripheral Module
Why the PIC16LF1507-I/P fits this application: The 12-channel 10-bit ADC can monitor multiple temperature zones, humidity sensors, and pressure transducers simultaneously, and the CWG can produce a clean PWM signal for a 4-20 mA industrial current loop transmitter. Industrial temperature rating (-40C to +85C) handles rooftop and plant-floor environments. The 3.5 KB Flash fits Modbus RTU slave firmware comfortably. How it is used and performance consideration: The MCU reads up to 8 analog sensors every 100 ms, converts to engineering units, and transmits via RS-485 using the EUSART module. The NCO generates an accurate 50/60 Hz tone for legacy current-loop signaling. Trade-off: only one EUSART is available - for RS-485 + RS-232 simultaneously, a different PIC16 family member with two EUSARTs is required.
Recommended
Toy and Hobby Electronics
Why the PIC16LF1507-I/P fits this application: Low unit cost (~$1-2 in volume), small 20-pin PDIP package that is easy to breadboard for hobbyists, and rich peripherals (CLC, CWG, NCO) that let designers do more with fewer external components. The 1.8V-3.6V VDD range works from two AA cells directly, and the internal 16 MHz oscillator removes the need for an external crystal. How it is used and performance consideration: Hobbyist projects typically use the PICkit 3 or 4 programmer for ICSP debugging; the PIC16LF1507-I/P supports standard ICSP and ICD debugging on-chip. The PIC16 has a vast ecosystem of example code, library support, and community tutorials. Trade-off: the 128 B SRAM is limiting for projects requiring large buffers or USB stacks; hobbyists needing more memory should step up to the PIC16F1455 or PIC18F family.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1507-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1507-E/P | PIC16LF1507-I/SO | PIC16LF1507-I/SS | PIC16F1507-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin PDIP | 20-pin PDIP - same | 20-pin SOIC - different footprint | 20-pin SSOP - different footprint | 20-pin PDIP - same |
| Program Memory | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash |
| SRAM | 128 B | 128 B | 128 B | 128 B | 128 B |
| Operating Voltage | 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 3.6 V | 2.3 V to 5.5 V |
| Temperature Grade | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| I/O Pins | 18 | 18 | 18 | 18 | 18 |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC | 10-bit, 12 ch | 10-bit, 12 ch | 10-bit, 12 ch | 10-bit, 12 ch | 10-bit, 12 ch |
Key Differentiators
- 1.8V minimum VDD for true single-cell battery operation (vs PIC16F1507-I/P)
- Industrial temperature grade availability with extended variant option (vs PIC16LF1507-I/P vs PIC16LF1507-E/P)
- Integrated CLC, CWG, and NCO peripherals reduce BOM (vs Discrete 555-timer + logic-gate designs)
Design Notes
Estimated: When running at 20 MHz from 3.3V VDD, the PIC16LF1507-I/P core current is approximately 5 mA. Adding 18 I/O toggling at 25 mA each (worst case, all sourcing simultaneously) yields peak current of about 5 mA + (18 x 25 mA) = 455 mA. Place a 100 nF ceramic decoupling capacitor within 4 mm of the VDD pin and a 10 uF bulk capacitor on the same VDD node. Use a low-ESR ceramic (X7R) for the bulk cap. Do not exceed 25 mA per pin, and do not exceed the absolute maximum total source current (per datasheet).
Route the ICSPDAT (pin 10/RC0) and ICSPCLK (pin 9/RC1) signals to a 6-pin header (or test pads) accessible to the PICkit programmer. Place the ICSP connector at the board edge for ergonomic access. Add ESD protection diodes on the ICSP pins if they share traces with user-accessible connectors. Ensure the MCLR pin (pin 4/RA3) has a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for reset signal conditioning, unless the internal MCLR function is disabled.
A common mistake is enabling the ADC without first configuring the I/O pin as an analog input (clearing the corresponding TRIS bit and setting the ANS bit in the ANSEL register). Another common mistake is forgetting that RA3/MCLR is shared - using RA3 as a digital I/O requires disabling MCLR in the configuration bits, which then makes in-circuit programming more difficult. Always verify the configuration bit settings before locking the chip, and use the ICD/PICkit debugger for code development rather than relying on ICSP only.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16F1507 or PIC18F automotive variants for automotive applications.
