PIC16LF1507T-I/SO - 8-bit MCU, 3.5KB Flash, 20MHz, 20-SOIC | Microchip
MPN: PIC16LF1507T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.79 | $0.79 |
| 10 | $0.74 | $7.40 |
| 100 | $0.66 | $66.00 |
| 500 | $0.58 | $290.00 |
| 1,000 | $0.49 | $490.00 |
| 2,600 | $0.42 | $1,092.00 |
PIC16LF1507T-I/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a configurable set of peripherals. Within the broader taxonomy, an 8-bit MCU such as this belongs to the PIC16F family of microcontrollers, which sits inside Microchip's PIC family of RISC microcontrollers, which in turn falls under the broader category of microcontrollers and embedded processing. The 'LF' prefix indicates a low-voltage variant optimised for low power consumption, while the 'F' in PIC16F1507 indicates Flash program memory. Understanding this hierarchy is essential when comparing this part to other 8-bit MCUs.
Key features include a 10-bit ADC with 12 channels and a voltage reference, an internal 16 MHz oscillator (with optional PLL support for 32 MHz internal operation), 25 mA source/sink capable I/O, and four 10-bit PWM channels plus a Complementary Waveform Generator (CWG). The device integrates a Numerically Controlled Oscillator (NCO), two Configurable Logic Cells (CLC), and an integrated temperature indicator module for on-chip thermal monitoring. Self-read/write capability on the Flash memory enables data EEPROM emulation, reducing BOM cost in designs that require non-volatile storage.
The architecture follows a 14-bit instruction word with a 16-level hardware stack, providing deterministic interrupt latency and predictable response times suited for hard-real-time control loops. The PIC16LF1507T-I/SO operates across the industrial -40 C to +85 C temperature range ('I' suffix) and is supplied in tape-and-reel packaging ('T' suffix), making it compatible with high-volume SMT assembly lines. Compared to the older PIC16F baseline, the enhanced mid-range core adds 49 instructions, deeper nesting, and richer peripheral set.
Typical applications include consumer electronics (small appliances, toys, remote controls), industrial sensor nodes, LED lighting controllers with CWG-based constant-current regulation, battery-powered IoT endpoints that benefit from the LF voltage range, low-cost motor and fan controllers using the CLC/NCO blocks, and general-purpose logic replacement. The 20-SOIC footprint is hand-solderable and breadboard-friendly via adapters, simplifying prototyping.
A key design consideration is the choice of internal vs external oscillator: using the factory-calibrated internal 16 MHz HFINTOSC eliminates two external crystal pins and reduces BOM cost, but trades off absolute frequency accuracy. For designs needing precise UART baud rates, an external 20 MHz crystal or the PLL-derived 32 MHz internal clock is recommended. The 20-SOIC package provides ample copper area for thermal dissipation at the device's low operating currents.
Drop-in alternatives for PIC16LF1507T-I/SO — 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 PIC16LF1507T-I/SO (same form factor and footprint) — differing in Package, ADC, I/O Pins, Core Architecture, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1507-I/SO
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16LF1507-E/SO
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16F1507-I/SO
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1507-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1507T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 Enhanced Mid-Range 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| RAM | 128 bytes |
| Data EEPROM | Emulated via self-read/write Flash |
| CPU Speed | 20 MHz (16 MIPS) |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (industrial, 'I' suffix) |
| I/O Pins | 17 (25 mA source/sink capable) |
| ADC | 10-bit, 12 channels |
| PWM Channels | 4 x 10-bit |
| Internal Oscillator | 16 MHz HFINTOSC, 32 kHz LFINTOSC |
| Timers | Timer0, Timer1, Timer2 |
| Complementary Waveform Generator (CWG) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Configurable Logic Cell (CLC) | 2 x CLC |
| Temperature Indicator | Integrated |
| Package | 20-SOIC (7.50 mm body width) |
| Mounting Type | Surface Mount |
| Packaging | Tape and Reel ('T' suffix) |
| RoHS Status | Compliant |
PIC16LF1507T-I/SO Pin Configuration
| Pin 1 | RA5 — Digital I/O / ADC input |
| Pin 2 | RA4 — Digital I/O / ADC input |
| Pin 3 | RA3/MCLR — Digital I/O / Master Clear (reset) input |
| Pin 4 | RA2 — Digital I/O / analog input |
| Pin 5 | RA1 — Digital I/O / analog input |
| Pin 6 | RA0 — Digital I/O / analog input |
| Pin 7 | Vss — Ground reference |
| Pin 8 | RA7/OSC1 — Digital I/O / crystal oscillator input |
| Pin 9 | RA6/OSC2 — Digital I/O / crystal oscillator output |
| Pin 10 | RC0 — Digital I/O |
| Pin 11 | RC1 — Digital I/O |
| Pin 12 | RC2 — Digital I/O |
| Pin 13 | RC3 — Digital I/O |
| Pin 14 | RC4 — Digital I/O |
| Pin 15 | RC5 — Digital I/O |
| Pin 16 | RC6 — Digital I/O |
| Pin 17 | RC7 — Digital I/O |
| Pin 18 | Vss — Ground reference |
| Pin 19 | Vdd — Positive supply (1.8 V to 3.6 V) |
| Pin 20 | RA3 — Digital I/O (alternate location in some packages) |
Typical Applications
PIC16LF1507T-I/SO is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, LED Lighting Controllers, Small Appliance Control, Consumer Remote Controls, Industrial Sensor Signal Conditioning, Toys and Hobby Electronics, Low-Cost Logic Replacement.
Battery-Powered IoT Sensor Nodes
The PIC16LF1507T-I/SO fits battery-powered IoT sensor nodes because its 1.8 V to 3.6 V Vdd range lets it run directly from a single CR2032 coin cell or 2x AA alkaline pack that drops below 2.3 V at end of life. With sleep current below 1 uA and the integrated 10-bit ADC with 12 channels, the part can wake periodically to read temperature, humidity, or analog sensor data, run FFT-like CLC logic, and transmit via an external radio. Compared to 5 V-only PICs, the LF voltage range extends usable battery life by 30 to 50 percent in 2x AA designs.
Recommended
LED Lighting Controllers
The PIC16LF1507T-I/SO suits LED lighting controllers because its Complementary Waveform Generator (CWG) and four 10-bit PWM channels drive MOSFET half-bridges or constant-current LED strings without external PWM ICs. The Configurable Logic Cells (CLC) can implement hardware-level fault detection on the LED current-sense path, shutting down the CWG within nanoseconds - critical for Class 2 driver safety. With 25 mA source/sink I/O, the part can directly interface to 0.5 W status LEDs and opto-isolators in dimmer applications.
Recommended
Small Appliance Control
The PIC16LF1507T-I/SO drives small appliance control boards (coffee makers, blenders, fans) where the CWG generates complementary PWM for triac-style AC zero-cross switching, and the NCO synthesises precise timing signals for motor commutation. With 17 GPIO and 25 mA drive, the device can directly sink LED indicators, relay coils, and buzzer elements without external transistors. The integrated temperature indicator provides on-chip overtemperature shutdown, reducing BOM cost by removing an external thermistor in mid-end products.
Recommended
Consumer Remote Controls
The PIC16LF1507T-I/SO fits handheld infrared remote controls where its LF voltage range supports 2x AAA batteries that discharge from 3 V to below 1.8 V, and its sub-uA sleep current extends standby life beyond the shelf life of typical alkaline cells. The NCO and CLC blocks generate precise 38 kHz IR carrier waveforms without CPU intervention, leaving the core sleeping until a button event wakes it via the IOC (interrupt-on-change) peripheral. The 17 GPIO easily accommodates 4x4 keypad matrix plus IR LED and indicator LED.
Recommended
Industrial Sensor Signal Conditioning
The PIC16LF1507T-I/SO is well suited for industrial sensor signal conditioning modules because its 12-channel 10-bit ADC with internal voltage reference digitises 4-20 mA loop signals, RTD bridge outputs, or strain gauge amplifiers with 1 mV typical resolution. The CLC blocks implement hardware comparators and digital filters that flag out-of-range conditions within microseconds, faster than software polling loops. Industrial -40 C to +85 C temperature rating allows deployment in factory cabinets without additional thermal conditioning.
Recommended
Toys and Hobby Electronics
The PIC16LF1507T-I/SO drives hobby robotics, drones sub-controllers, and educational electronics kits where its $0.42 unit price at reel quantity makes BOM cost negligible relative to mechanical parts. The 20-SOIC footprint is hand-solderable on breakout boards, ideal for hobbyists without reflow ovens. With 4 PWM outputs and CWG, the part can directly drive four hobby servos or a 4-channel LED chaser, and the CLC/NCO blocks implement logic puzzles useful in classroom settings.
Recommended
Low-Cost Logic Replacement
The PIC16LF1507T-I/SO can replace discrete 74-series logic gates by configuring the CLC (Configurable Logic Cell) blocks to implement AND/OR/XOR/D-latch functions in silicon without software, running even when the core is in reset. This makes it ideal for glue-logic replacement in legacy designs being miniaturised, where a single 20-SOIC part replaces 3 to 5 SOIC logic packages. The NCO plus timer can synthesise clock signals, freeing board space on retrofitted industrial controls.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1507T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1507-I/SO | PIC16LF1507-E/SO | PIC16F1507-I/SO | PIC16F1507-E/SO | PIC16LF1507T-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SOIC (7.50 mm) | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same | 20-SOIC - same | 20-SSOP - different footprint |
| Supply Voltage (Vdd) | 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 | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| RAM | 128 B | 128 B | 128 B | 128 B | 128 B | 128 B |
| I/O Pins | 17 | 17 | 17 | 17 | 17 | 17 |
| CPU Speed | 20 MHz (16 MIPS) | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Packaging Form | Tape & Reel | Tube | Tube | Tube | Tube | Tape & Reel |
Key Differentiators
- True drop-in 20-SOIC footprint across all temperature grades (vs PIC16LF1507T-I/SS)
- Lowest voltage range in the PIC16F1507 family (vs PIC16F1507-I/SO)
- Industrial temperature range with full peripheral set (vs PIC16LF1507-E/SO)
Design Notes
When running from a 3 V coin cell, place a 100 nF ceramic decoupling capacitor within 5 mm of the Vdd pin and a 10 uF bulk capacitor near the battery terminals. The PIC16LF1507T-I/SO draws <1 uA in sleep mode per the Microchip datasheet (DS40001615E), but wake-up transients can pull 1 mA briefly. The on-chip brown-out reset is factory-trimmed for the LF voltage range - do not disable it via configuration bits unless an external supervisor IC is present, otherwise corrupted Flash writes can occur as the battery dips below 1.8 V.
Route the MCLR pin through a 10 kohm pull-up to Vdd and place a 100 nF cap to ground if in-circuit serial programming (ICSP) is required. For designs using the internal 16 MHz HFINTOSC, leave OSC1 and OSC2 as standard GPIO (RA7/RA6) and add 4.7 kohm pull-ups to prevent floating-pin current consumption. The 20-SOIC package allows hand-soldering and standard 1.27 mm pitch SOIC prototyping boards, but the lead footprint requires a 0.5 mm pad extension beyond the nominal 0.51 mm lead width for reliable solder fillets.
A common mistake is enabling the PLL on the PIC16LF1507T-I/SO to obtain a 32 MHz system clock and assuming the CPU will execute at 32 MIPS. The CPU is still limited to 16 MIPS (20 MHz instruction rate); the PLL only multiplies the peripheral clock domain. For UART baud-rate accuracy in HFINTOSC mode, use the auto-baud feature of the EUSART or select the PLL-derived clock for the baud-rate generator, since the factory-calibrated HFINTOSC tolerance is +/- 2 percent. Also, do not exceed 25 mA source/sink per I/O pin - the absolute maximum across all pins is 200 mA for the whole package.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - automotive AEC-Q100 grades are separate '-VAO' or '-EP' suffixes. Lead-free (Pb-free) reflow compatible per JEDEC J-STD-020.
