PIC16LF1517T-I/PT - 8-Bit 20MHz 14KB Flash MCU 44-TQFP | Microchip
MPN: PIC16LF1517T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.32 | $1.32 |
| 10 | $1.18 | $11.80 |
| 100 | $1.02 | $102.00 |
| 500 | $0.86 | $430.00 |
| 1,000 | $0.79 | $790.00 |
PIC16LF1517T-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, digital I/O, and on-chip peripherals such as ADCs, timers and communication interfaces. Within the semiconductor hierarchy, MCUs sit between discrete logic and full microprocessors (MPUs), trading raw performance for integration, low power, and deterministic real-time behaviour in cost-sensitive embedded systems.
Key features include the PIC16 enhanced mid-range core with 200 ns instruction execution, 14 KB self-programmable Flash, 512 B SRAM, two 8-bit timers and one 16-bit timer, two CCP modules, an EUSART, MSSP (SPI/I²C), 10-bit ADC with up to 28 channels, an internal oscillator, and the PIC XLP™ ultra-low-power architecture with nanoWatt Sleep. These traits make the part well suited to battery-powered sensor nodes and industrial peripherals.
Architecturally the device uses a Harvard RISC pipeline with a 14-bit instruction word, allowing compact code density and predictable interrupt latency. The internal 16 MHz HF oscillator can be tuned, eliminating the need for an external crystal in many designs and reducing BOM cost.
Typical applications include IoT sensor nodes, industrial control, battery-powered instrumentation, motor drive signal conditioning, low-power wireless sensor hubs, and consumer appliances. The wide ADC channel count also supports multi-signal data acquisition front-ends.
When laying out a board, ensure adequate decoupling (100 nF + 1 µF) near VDD/AVDD pins and route the ICSP/ICD programming lines (PGC/PGD) with short, direct traces. The internal oscillator is adequate for most UART and PWM tasks, but designs requiring tight timing accuracy should enable the secondary crystal driver.
This page synthesizes distributor pricing, drop-in replacement alternatives, and practical design notes not found in a single manufacturer document, giving engineers a one-stop reference for evaluation, sourcing, and PCB bring-up of the PIC16LF1517T-I/PT.
Drop-in alternatives for PIC16LF1517T-I/PT — 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 PIC16LF1517T-I/PT (same form factor and footprint) — differing in ADC, CPU Speed, Family, I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1517-I/PT
✅ Drop-In✓ In Stock
$1.53 / Unit
View Datasheet →PIC16LF1517T-I/PT Maximum Ratings & Electrical Characteristics
| Family | PIC® XLP™ 16F |
| Core | PIC16 enhanced mid-range 8-bit |
| Instruction Execution | 200 ns |
| CPU Speed | 20 MHz |
| Program Memory (Flash) | 14 KB (8K × 14) |
| SRAM | 512 B |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 36 |
| ADC | 10-bit, multiple channels |
| CCP Modules | 2 |
| Serial Interfaces | SPI, I²C (MSSP), EUSART |
| Package | 44-TQFP (10 × 10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 °C to +85 °C (I grade) |
| Low-Power Feature | XLP™ nanoWatt Sleep |
| RoHS Status | Compliant |
PIC16LF1517T-I/PT Pin Configuration
| Pin 1 | RA0/AN0 — Bidirectional I/O / analog input 0 |
| Pin 2 | RA1/AN1 — Bidirectional I/O / analog input 1 |
| Pin 3 | RA2/AN2 — Bidirectional I/O / analog input 2 |
| Pin 4 | RA3/AN3/VREF+ — Bidirectional I/O / analog input 3 / VREF+ |
| Pin 5 | RA4/AN4 — Bidirectional I/O / analog input 4 |
| Pin 6 | RA5/AN5 — Bidirectional I/O / analog input 5 |
| Pin 7 | RA6/OSC2 — Bidirectional I/O / crystal output |
| Pin 8 | RA7/OSC1 — Bidirectional I/O / crystal input |
| Pin 9 | VDD — Positive supply |
| Pin 10 | VSS — Ground |
| Pin 11 | RB0/AN12 — Bidirectional I/O / analog input 12 |
| Pin 12 | RB1/AN10 — Bidirectional I/O / analog input 10 |
| Pin 13 | RB2/AN8 — Bidirectional I/O / analog input 8 |
| Pin 14 | RB3/AN9 — Bidirectional I/O / analog input 9 |
| Pin 15 | RB4/AN11 — Bidirectional I/O / analog input 11 |
| Pin 16 | RB5/AN13 — Bidirectional I/O / analog input 13 |
| Pin 17 | RB6/ICSPCLK — Bidirectional I/O / ICSP clock |
| Pin 18 | RB7/ICSPDAT — Bidirectional I/O / ICSP data |
| Pin 19 | RC0 — Bidirectional I/O |
| Pin 20 | RC1 — Bidirectional I/O |
| Pin 21 | RC2 — Bidirectional I/O |
| Pin 22 | RC3 — Bidirectional I/O |
| Pin 23 | RC4 — Bidirectional I/O |
| Pin 24 | RC5 — Bidirectional I/O |
| Pin 25 | RC6 — Bidirectional I/O |
| Pin 26 | RC7 — Bidirectional I/O |
| Pin 27 | RD0 — Bidirectional I/O |
| Pin 28 | RD1 — Bidirectional I/O |
| Pin 29 | RD2 — Bidirectional I/O |
| Pin 30 | RD3 — Bidirectional I/O |
| Pin 31 | RD4 — Bidirectional I/O |
| Pin 32 | RD5 — Bidirectional I/O |
| Pin 33 | RD6 — Bidirectional I/O |
| Pin 34 | RD7 — Bidirectional I/O |
| Pin 35 | RE0/AN5 — Bidirectional I/O / analog input 5 |
| Pin 36 | RE1/AN6 — Bidirectional I/O / analog input 6 |
| Pin 37 | RE2/AN7 — Bidirectional I/O / analog input 7 |
| Pin 38 | RE3/MCLR — Bidirectional I/O / Master Clear (reset) |
| Pin 39 | AVDD — Analog positive supply |
| Pin 40 | AVSS — Analog ground |
| Pin 41 | RF0 — Bidirectional I/O |
| Pin 42 | RF1 — Bidirectional I/O |
| Pin 43 | RF2 — Bidirectional I/O |
| Pin 44 | RF3 — Bidirectional I/O |
Typical Applications
PIC16LF1517T-I/PT is suitable for 6 applications: Battery-Powered IoT Sensor Node, Industrial Control & Human-Machine Interface (HMI), Consumer Appliance Control Board, Motor Drive Signal Conditioning, Low-Power Wireless Sensor Hub, Data-Acquisition Front-End.
Battery-Powered IoT Sensor Node
The PIC16LF1517T-I/PT's 1.8 V to 3.6 V VDD and PIC XLP™ nanoWatt Sleep current make it ideal for battery-powered wireless sensor nodes. With 14 KB of Flash and 512 B of SRAM, the MCU comfortably runs a state-machine plus a UART- or SPI-based radio driver such as a sub-GHz or BLE companion chip. The 10-bit ADC enables direct interface to analog sensors like temperature, gas or strain gauges without external signal conditioning.
Recommended
Industrial Control & Human-Machine Interface (HMI)
In industrial control panels the PIC16LF1517T-I/PT drives keypads, LED indicators and small character LCDs using its 36 I/O pins and EUSART. The 44-TQFP package allows direct mounting behind a panel with plenty of I/O for buttons and status LEDs. Designers can use the two CCP modules for PWM backlight control and 10-bit ADC channels for sensing operator inputs such as potentiometers or thermistors.
Recommended
Consumer Appliance Control Board
White goods and small kitchen appliances benefit from the PIC16LF1517T-I/PT's small footprint, internal oscillator and 36 I/O. The device can directly drive TRIAC gates, sense line voltage zero-crossing, and read NTC thermistors for closed-loop temperature regulation. 14 KB of Flash is plenty for application code, while nanoWatt Sleep keeps standby power below regulatory limits such as Energy Star.
Recommended
Motor Drive Signal Conditioning
The PIC16LF1517T-I/PT fits motor-control front-end tasks such as Hall-sensor decoding, current sensing and PWM generation for small DC or stepper motor drivers. Two CCP modules generate complementary PWMs with dead-band control for half-bridge FET drivers. The 10-bit ADC samples motor current via a shunt amplifier at the rate needed for basic torque loops.
Recommended
Low-Power Wireless Sensor Hub
The PIC16LF1517T-I/PT functions as a low-power protocol bridge between sensors and a host radio (LoRa, BLE or sub-GHz). The EUSART and MSSP peripherals drive the radio transparently while nanoWatt Sleep keeps idle current in the microamp range. With 512 B of SRAM the device buffers small sensor frames before transmitting, and 14 KB of Flash hosts a full portable state machine.
Recommended
Data-Acquisition Front-End
With multiple 10-bit ADC channels, the PIC16LF1517T-I/PT serves as a low-cost multi-channel data-acquisition front-end for instrumentation and laboratory equipment. I²C/SPI peripherals connect to external 16- or 24-bit ADCs while the MCU manages averaging, calibration and host communication via EUSART USB-to-UART bridges. Industrial temperature grade and 44-TQFP simplify PCB layout for multi-board stacks.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1517T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1517-I/PT | PIC16LF1517T-I/MV |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | UQFN-40 (MV) - different footprint |
| Core | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz |
| Program Flash | 14 KB | 14 KB | 14 KB |
| SRAM | 512 B | 512 B | 512 B |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| I/O Pins | 36 | 36 | 36 |
| ADC | 10-bit | 10-bit | 10-bit |
| Packaging Format | Tape & Reel | Tray (no T&R suffix) | Tape & Reel |
Key Differentiators
- Larger 44-TQFP package with maximum I/O in the family (vs PIC16LF1516T-I/SO)
- 14 KB Flash vs smaller variants (vs PIC16LF1507-I/SS)
- Lower operating voltage floor than F-variant (vs PIC16F1517T-I/PT)
Design Notes
Estimated: at 20 MHz and 3.3 V VDD, typical IDD is roughly 5-7 mA per the PIC16 enhanced-mid-range datasheet. Decouple VDD/VSS with a 100 nF ceramic placed within 5 mm of the supply pins, and place a 10 µF bulk capacitor on the board supply rail. Enable nanoWatt Sleep whenever the CPU is idle for >1 ms to drop quiescent current below 1 µA. The PIC16LF1517T-I/PT's 1.8 V minimum VDD allows direct battery operation from two alkaline cells.
Route the ICSP signals (PGC on RB6/ICSPCLK and PGD on RB7/ICSPDAT) with short traces and avoid passing them under switching signals or oscillators. Provide a 4-pin 0.1" header (or test pads) on the board for the PICkit / MPLAB Snap programmer. For QFP packages keep ground stitching vias as close to the exposed thermal pad (if present) as possible and flood the top layer with a ground pour under the chip.
Do not confuse the PIC16LF1517 (1.8-3.6 V) with the PIC16F1517 (2.3-5.5 V). The LF device will brown-out at 5 V rails. Ensure MCLR has a proper RC rise-time (10 kΩ pull-up, 100 nF to VDD) unless disabled in configuration bits. When using the internal oscillator at 16 MHz allow at least 4 ms startup delay before code execution to ensure stable clock.
Compliance Information
RoHS/REACH compliance per Microchip product page. Not AEC-Q100 qualified; choose AEC-Q100 grade parts for automotive applications.
