PIC16F1517-I/PT - 8-Bit 20MHz 14KB Flash MCU 44-TQFP | Microchip
MPN: PIC16F1517-I/PT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.65 | $2.65 |
| 10 | $2.38 | $23.80 |
| 100 | $2.12 | $212.00 |
| 500 | $1.84 | $920.00 |
| 1,000 | $1.59 | $1,590.00 |
PIC16F1517-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, SRAM, EEPROM), and peripherals (timers, ADC, communication interfaces) on one IC. MCUs belong to the broader hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. The PIC16F family specifically sits within Microchip's 8-bit mid-range portfolio, designed for low-power and cost-sensitive embedded control.
Key differentiating features include nanoWatt XLP (eXtreme Low Power) technology with multiple sleep modes, an enhanced watchdog timer, programmable ultra-low-power brown-out reset (ULPBOR), in-circuit serial programming (ICSP), and on-board in-circuit debug. The 200 ns instruction execution supports deterministic real-time control loops typical in sensor interfacing and motor control.
Architecturally, the PIC16F1517 uses a RISC-style Harvard bus with a single accumulator-based ALU and 14-bit wide instruction words. The 28-channel ADC with dedicated voltage reference enables multi-sensor acquisition without external analog components, while the EUSART, SPI, and I2C peripherals provide flexible communication with sensors, displays, and host processors.
Typical applications include industrial sensor nodes, consumer white goods, IoT edge devices, battery-powered handheld instruments, and HVAC control panels. The wide 2.3V to 5.5V operating range and XLP nanoWatt features make it especially suitable for energy-harvesting or battery-backed designs.
When designing with this MCU, allocate adequate decoupling (100 nF plus 10 uF bulk) near VDD pins and observe the 44-TQFP thermal pad soldering profile per JEDEC J-STD-020. Use Microchip's MPLAB X IDE with XC8 compiler for firmware development, and consider the PIC16F1517-I/MV in QFN package if a smaller footprint is required.
Drop-in alternatives for PIC16F1517-I/PT β 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 PIC16F1517-I/PT (same form factor and footprint) β differing in Operating Temperature, Timers, Package, ADC, RoHS Status.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F1519-I/PT
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$1.92 / Unit
View Datasheet βPIC16F1516-I/PT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1518-I/PT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1517-I/PT Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 8-bit |
| Series | PIC XLP 16F |
| Program Memory Type | FLASH |
| Program Memory Size | 14KB (8K x 14) |
| RAM Size | 512 B |
| Clock Speed (Max) | 20 MHz |
| Instruction Execution | 200 ns |
| Supply Voltage (Vcc/Vdd) | 2.3 V to 5.5 V |
| I/O Pins | 36 (40-pin/44-pin device) |
| ADC | 10-bit, 28 channels with voltage reference |
| Timers | 2x 8-bit (TMR0/TMR2), 1x 16-bit (TMR1) |
| Communication Interfaces | EUSART, SPI, I2C (MSSP) |
| I/O Source/Sink Current | 25 mA |
| Brown-Out Reset | Programmable Ultra-Low-Power BOR (ULPBOR) |
| Watchdog Timer | Enhanced WDT |
| Programming/Debug | ICSP, In-Circuit Debug |
| Low-Power Technology | nanoWatt XLP |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 44-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | ROHS3 Compliant |
PIC16F1517-I/PT Pin Configuration
| Pin 1 | RA0 β PORTA bit 0 / analog input |
| Pin 2 | RA1 β PORTA bit 1 / analog input |
| Pin 3 | RA2 β PORTA bit 2 / analog input |
| Pin 4 | RA3 β PORTA bit 3 / analog input / VREF+ |
| Pin 5 | RA4 β PORTA bit 4 / analog input |
| Pin 6 | RA5 β PORTA bit 5 / analog input |
| Pin 7 | RA6 β PORTA bit 6 / analog input |
| Pin 8 | RA7 β PORTA bit 7 / analog input |
| Pin 9 | VDD β Positive supply voltage |
| Pin 10 | VSS β Ground reference |
| Pin 11 | RB0 β PORTB bit 0 / analog input |
| Pin 12 | RB1 β PORTB bit 1 / analog input |
| Pin 13 | RB2 β PORTB bit 2 / analog input |
| Pin 14 | RB3 β PORTB bit 3 / analog input |
| Pin 15 | RB4 β PORTB bit 4 / analog input |
| Pin 16 | RB5 β PORTB bit 5 / analog input |
| Pin 17 | RB6 β PORTB bit 6 / ICSPCLK |
| Pin 18 | RB7 β PORTB bit 7 / ICSPDAT |
| Pin 19 | RC0 β PORTC bit 0 |
| Pin 20 | RC1 β PORTC bit 1 |
| Pin 21 | RC2 β PORTC bit 2 |
| Pin 22 | RC3 β PORTC bit 3 / SCL |
| Pin 23 | RC4 β PORTC bit 4 / SDA |
| Pin 24 | RC5 β PORTC bit 5 |
| Pin 25 | RC6 β PORTC bit 6 / TX |
| Pin 26 | RC7 β PORTC bit 7 / RX |
| Pin 27 | RD0 β PORTD bit 0 |
| Pin 28 | RD1 β PORTD bit 1 |
| Pin 29 | RD2 β PORTD bit 2 |
| Pin 30 | RD3 β PORTD bit 3 |
| Pin 31 | RD4 β PORTD bit 4 |
| Pin 32 | RD5 β PORTD bit 5 |
| Pin 33 | RD6 β PORTD bit 6 |
| Pin 34 | RD7 β PORTD bit 7 |
| Pin 35 | RE0 β PORTE bit 0 / analog input |
| Pin 36 | RE1 β PORTE bit 1 / analog input |
| Pin 37 | RE2 β PORTE bit 2 / analog input |
| Pin 38 | RE3 β PORTE bit 3 / MCLR |
| Pin 39 | VDD β Positive supply voltage |
| Pin 40 | VSS β Ground reference |
| Pin 41 | RF0 β PORTF bit 0 / analog input |
| Pin 42 | RF1 β PORTF bit 1 / analog input |
| Pin 43 | RF2 β PORTF bit 2 / analog input |
| Pin 44 | RF3 β PORTF bit 3 / analog input |
Typical Applications
PIC16F1517-I/PT is suitable for 7 applications: Industrial Sensor Nodes, Battery-Powered IoT Edge Devices, Consumer White Goods Control, HVAC Control Panels, Handheld Test Instruments, Automotive Body Electronics (Sub-system), Educational and Hobby Electronics.
Industrial Sensor Nodes
The PIC16F1517-I/PT's 28-channel 10-bit ADC and nanoWatt XLP low-power modes make it ideal for industrial multi-sensor nodes monitoring temperature, pressure, and flow. The wide 2.3V to 5.5V supply range supports both 3.3V and 5V industrial sensor interfaces, while 25 mA I/O source/sink directly drives relays and optocouplers without buffers. Its 14KB Flash accommodates Modbus RTU or CAN-based protocols, and the 20 MHz core delivers deterministic real-time response. Pair with isolated RS-485 transceivers and the MCP9700 temperature sensor for robust 4-20 mA loop replacement designs.
Recommended
Battery-Powered IoT Edge Devices
With nanoWatt XLP technology delivering sub-microamp sleep currents, the PIC16F1517-I/PT extends battery life in IoT edge sensors operating from coin cells or 2xAA batteries. The 14KB Flash supports MQTT-SN or LoRaWAN stack fragments, and the 20 MHz core handles crypto and sensor processing efficiently. The 28-channel ADC enables multi-modal sensing (temperature, humidity, light) on a single MCU. Pair with the RN2483 LoRa module for long-range wireless telemetry with multi-year battery operation across industrial IoT deployments.
Recommended
Consumer White Goods Control
The PIC16F1517-I/PT is well-suited for white goods control boards including washing machines, dishwashers, and microwave ovens where its 25 mA I/O drive directly controls triacs, relays, and LED indicators. The 200 ns instruction execution handles precise motor timing and PWM generation for variable-speed drives. Its 44-TQFP package enables compact board designs, while 14KB Flash supports user-interface state machines and diagnostic routines. Pair with the MCP23S17 I/O expander for additional keypad/display interface and the TLP181 optocoupler for mains isolation.
Recommended
HVAC Control Panels
In HVAC thermostats and zone controllers, the PIC16F1517-I/PT's 28-channel ADC scans multiple thermistor inputs for temperature averaging across zones, while its EUSART interfaces with Modbus or BACnet slave transceivers for building automation. The nanoWatt XLP sleep modes reduce standby power in wall-mounted thermostats to meet Energy Star requirements. The wide operating temperature range of -40C to +85C handles outdoor equipment installations. Pair with the MCP9808 high-accuracy temperature sensor for precision climate control.
Recommended
Handheld Test Instruments
The PIC16F1517-I/PT's combination of 14KB Flash, 20 MHz core, and nanoWatt XLP features makes it suitable for handheld multimeters and portable test instruments. The 28-channel ADC captures multiple measurement ranges, while SPI interfaces with LCD or OLED displays. Battery operation is supported by sub-microamp sleep modes during standby. Its 44-TQFP package enables compact PCB layouts for handheld form factors. Pair with the MCP3421 18-bit ADC for high-precision measurements and the MCP73831 Li-ion charger for USB-rechargeable designs.
Recommended
Automotive Body Electronics (Sub-system)
While the PIC16F1517-I/PT is not AEC-Q100 qualified, it serves as a cost-effective MCU for non-safety automotive body electronics such as interior lighting controllers, seat position memory, and accessory multiplexers in non-critical subsystems. The 25 mA I/O drive interfaces directly with LED drivers and small relays, while the EUSART supports LIN bus communication. Designers should evaluate the AEC-Q100 qualified PIC16F1517-I/PTVAO variant for harsher underhood applications. Pair with the MCP2515 CAN controller for body network integration.
Recommended
Educational and Hobby Electronics
The PIC16F1517-I/PT is popular in university embedded systems courses and hobbyist projects due to its rich peripheral set, MPLAB X IDE support, and broad availability of training resources. The 44-TQFP package is breadboard-friendly when paired with TQFP-to-DIP adapter PCBs. Its 14KB Flash accommodates complete firmware projects including USB stacks, motor control, and graphical LCD drivers. Pair with the PICkit 4 programmer/debugger for fast bring-up and the Curiosity Development Board for low-cost experimentation with PIC16F151x peripherals.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1517-I/PT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1519-I/PT | PIC16F1518-I/PT | PIC16F1516-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (PT) | 44-TQFP (PT) | 44-TQFP (PT) | 44-TQFP (PT) |
| Program Memory (Flash) | 14KB (8K x 14) | 28KB (16K x 14) | 16KB (8K x 14) | 8KB (4K x 14) |
| RAM | 512 B | 1024 B | 512 B | 256 B |
| Max Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Channels (10-bit) | 28 | 28 | 24 | 24 |
| Supply Voltage | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V |
| I/O Source/Sink Current | 25 mA | 25 mA | 25 mA | 25 mA |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
Key Differentiators
- Highest Flash density among same-cost 28-ADC PIC16F151x TQFP-44 family members (vs PIC16F1516-I/PT)
- Balanced price-per-feature positioning vs larger Flash option (vs PIC16F1519-I/PT)
- Wide 2.3V-5.5V supply supports both 3.3V and 5V designs without level shifters (vs PIC16LF1517-I/PT)
Design Notes
The PIC16F1517-I/PT operates from 2.3V to 5.5V and integrates nanoWatt XLP technology for sub-microamp sleep currents. Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair (pins 9/10 and 39/40 in the 44-TQFP package). Add a 10 uF bulk capacitor near the MCU for transient suppression. For battery applications, configure unused peripherals via the PMD (Peripheral Module Disable) registers and disable the BOR for maximum power savings, or use the programmable ULPBOR for brown-out protection at ultra-low quiescent current.
The 44-TQFP package has a 0.8 mm lead pitch and requires careful PCB layout. Use solder mask-defined (SMD) pads with 0.4 mm pad width and 1.6 mm pad length to ensure reliable solder joints. Keep trace widths at least 0.2 mm for signal integrity and 0.3 mm for power rails. Maintain a continuous ground plane beneath the MCU and route analog and digital signals in separate zones to minimize coupling into the ADC inputs.
Route the ICSP signals (RB6/ICSPCLK and RB7/ICSPDAT) away from high-frequency switching nodes and keep them short (<50 mm) to ensure reliable in-circuit programming and debugging. The MCLR pin (RE3) requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for proper reset behavior. Place these components within 5 mm of the MCLR pin. For ADC accuracy, route analog inputs away from digital switching signals and use a ground guard ring around sensitive analog traces.
Do not confuse the PIC16F1517-I/PT with the PIC16F1517-I/MV (QFN package) - these share the same silicon die but have different footprints and require different PCB layouts. The PIC16F1517 family does not include an internal EEPROM in all variants - verify the specific datasheet if byte-erasable data storage is required. When migrating code from PIC16F87x to PIC16F1517, note differences in the ADC configuration registers and the enhanced USART (EUSART) peripheral naming.
Compliance Information
ROHS3 compliant per Microchip product declaration. REACH unaffected per distributor listing. Standard variant is NOT AEC-Q100 qualified - choose PIC16F1517-I/PTVAO for automotive applications.