PIC16LF1517-E/P - 8-Bit XLP MCU 14KB Flash 40-PDIP | Microchip
MPN: PIC16LF1517-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.66 | $26.60 |
| 100 | $2.37 | $237.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.85 | $1,850.00 |
PIC16LF1517-E/P Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (flash), working RAM, and a rich set of peripherals such as timers, ADC, communication interfaces, and I/O. Within the broader taxonomy, the PIC16LF1517 belongs to the 8-bit PIC16F family -> mid-range PIC microcontrollers -> microcontroller ICs -> integrated circuits. Its XLP designation puts it in a low-power sub-family optimized for sleep-mode currents in the nanoampere range, making it suitable for energy-harvesting and always-on applications.
The PIC16LF1517-E/P runs an enhanced mid-range 8-bit core with a hardware multiplier, executes most instructions in one cycle, and includes a 10-bit ADC with up to 28 input channels, multiple PWM modules, comparators, and EUSART/SPI/I2C interfaces. The 40-pin PDIP variant maximizes I/O count (35 I/O pins) for breadboard-friendly prototyping. Internal oscillator accuracy and the wide operating voltage window eliminate many external components, simplifying BOM and PCB layout.
Architecturally, the device uses a Harvard bus, 14-bit instruction word, and a deep-sleep current measured in nanoamperes with RAM retention. The XLP feature set typically adds a power-managed sleep mode with RTCC and ultra-low-power watchdog, and the LF voltage range distinguishes it from 5V-capable PIC16F1517 siblings. Designers who want ADC-driven sensor reads and UART-based debug can stay in active mode briefly before returning to sleep for years on a single coin cell.
Typical applications include battery-powered sensor nodes, low-energy IoT end devices, home appliances, instrumentation front-ends, and industrial control modules where 8-bit deterministic response, 1.8V minimum supply, and 40-pin through-hole prototyping convenience outweigh the need for higher MIPS. The wide voltage range makes the part a common choice for 2xAA / 3xAA battery stacks.
When designing, prioritize enabling XLP sleep modes and using the internal oscillator to minimize quiescent current. Ensure decoupling caps are placed close to VDD/AVDD/VBAT pins, and use the ICD header (PGC/PGD) layout pattern documented in the PIC16LF1517 datasheet family to support in-circuit debugging without rework.
This page synthesizes distributor pricing, drop-in Microchip and cross-brand alternatives, and practical design notes not found in any single manufacturer datasheet.
Drop-in alternatives for PIC16LF1517-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 PIC16LF1517-E/P (same form factor and footprint) — differing in Timers, ADC, I/O Pins, Mounting Type, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1518-E/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16LF1519-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.96 / Unit
View Datasheet →PIC16LF1517-I/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$2.18 / Unit
View Datasheet →PIC16F1517-E/PT
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC16LF1508-E/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF1517-E/P Maximum Ratings & Electrical Characteristics
| Core | PIC16F enhanced mid-range 8-bit |
| Program Memory (Flash) | 14 KB (8K x 14) |
| RAM | 512 bytes |
| Data EEPROM | 0 bytes (not present on this family) |
| Max CPU Speed | 20 MHz |
| Operating Voltage | 1.8 V to 3.6 V |
| Package | 40-pin PDIP (P) |
| Pin Count | 40 |
| I/O Pins | 35 |
| ADC | 10-bit, up to 28 channels |
| Timers | Multiple 8/16-bit timers |
| Communication | EUSART, MSSP (SPI/I2C) |
| PWM Modules | Yes (multiple CCP/ECCP) |
| Comparators | Yes |
| XLP Technology | Yes (eXtreme Low Power) |
| Operating Temperature | -40 C to +125 C |
| Mounting Type | Through-Hole (PDIP) |
| MSL Level | 1 (unlimited) |
| RoHS Status | Compliant |
PIC16LF1517-E/P Pin Configuration
| Pin 1 | MCLR/Vpp/RE3 — Master Clear (reset) input / programming voltage / digital input RE3 |
| Pin 2 | RA0 — Digital I/O / analog input AN0 |
| Pin 3 | RA1 — Digital I/O / analog input AN1 |
| Pin 4 | RA2 — Digital I/O / analog input AN2 |
| Pin 5 | RA3 — Digital I/O / analog input AN3 / VREF+ |
| Pin 6 | RA4 — Digital I/O / analog input AN4 |
| Pin 7 | AVDD — Analog power supply |
| Pin 8 | AVSS — Analog ground |
| Pin 9 | RA7 — Digital I/O / analog input AN7 |
| Pin 10 | RA6 — Digital I/O / analog input AN6 |
| Pin 11 | VDD — Digital power supply |
| Pin 12 | VSS — Digital ground |
| Pin 13 | RA5 — Digital I/O / analog input AN5 |
| Pin 14 | RB0 — Digital I/O / interrupt-on-change |
| Pin 15 | RB1 — Digital I/O / interrupt-on-change |
| Pin 16 | RB2 — Digital I/O / interrupt-on-change |
| Pin 17 | RB3 — Digital I/O / interrupt-on-change |
| Pin 18 | RB4 — Digital I/O / interrupt-on-change |
| Pin 19 | RB5 — Digital I/O / interrupt-on-change |
| Pin 20 | RB6 — Digital I/O / PGC (ICSP clock) |
| Pin 21 | RB7 — Digital I/O / PGD (ICSP data) |
| Pin 22 | RC0 — Digital I/O |
| Pin 23 | RC1 — Digital I/O |
| Pin 24 | RC2 — Digital I/O |
| Pin 25 | RC3 — Digital I/O |
| Pin 26 | RC4 — Digital I/O |
| Pin 27 | RC5 — Digital I/O |
| Pin 28 | RC6 — Digital I/O / TX (EUSART) |
| Pin 29 | RC7 — Digital I/O / RX (EUSART) |
| Pin 30 | RD0 — Digital I/O |
| Pin 31 | VDD — Digital power supply |
| Pin 32 | VSS — Digital ground |
| Pin 33 | RD1 — Digital I/O |
| Pin 34 | RD2 — Digital I/O |
| Pin 35 | RD3 — Digital I/O |
| Pin 36 | RD4 — Digital I/O |
| Pin 37 | RD5 — Digital I/O |
| Pin 38 | RD6 — Digital I/O |
| Pin 39 | RD7 — Digital I/O |
| Pin 40 | RE0 — Digital I/O |
Typical Applications
PIC16LF1517-E/P is suitable for 6 applications: Battery-Powered Sensor Node, Home Appliance Control, Industrial Instrumentation Front-End, Low-Energy IoT End Device, Consumer Remote Control, Educational / Hobby Microcontroller Platform.
Battery-Powered Sensor Node
The PIC16LF1517-E/P's XLP technology and 1.8 V to 3.6 V operating range directly support coin-cell or 2xAA battery-powered wireless sensor nodes. Its 14 KB flash fits typical application code for periodic sensor reads and small protocol stacks, while 512 B RAM handles buffering for sub-MHz LoRa/Sigfox/FSK transmit windows. The 10-bit ADC with up to 28 channels multiplexes temperature, humidity, and battery-voltage monitors without an external analog switch. Sleep currents in the nanoampere range (per the family datasheet) enable multi-year coin-cell life when the MCU wakes only on a sensor interrupt. The 40-PDIP package is breadboard-friendly for prototyping before porting to a smaller QFN variant.
Recommended
Home Appliance Control
In home appliances such as coffee machines, washing-machine front panels, and microwave user interfaces, the PIC16LF1517-E/P supplies 35 I/O pins to drive segmented LCD or LED indicators, scan keypads, and read sensor inputs in real time. The 10-bit ADC samples temperature (NTC) and humidity channels with sufficient resolution for control loops. EUSART and MSSP (SPI/I2C) interfaces link to external display drivers or Wi-Fi/BLE co-processors. The -40 C to +125 C operating range covers appliance environment specifications, and the 40-PDIP package survives hand-soldering rework on legacy production lines. The XLP family ensures standby quiescent current stays low for Energy Star ratings.
Recommended
Industrial Instrumentation Front-End
For industrial 4-20 mA loop-powered transmitters and panel meters, the PIC16LF1517-E/P offers 1.8 V to 3.6 V operation from a regulated low-voltage rail, a 10-bit ADC with up to 28 channels for multi-sensor multiplexing, and EUSART for digital readout over RS-485 or HART. The 20 MHz CPU at 5 MIPS executes signal-conditioning math in real time without an external DSP. PWM modules drive 4-20 mA loop current with MOSFET drivers, and the comparator subsystem detects over-current faults faster than ADC polling. The wide -40 C to +125 C industrial temperature range and through-hole 40-PDIP mechanical robustness suit factory-floor vibration and thermal stress.
Recommended
Low-Energy IoT End Device
In IoT endpoints such as smart thermostats, BLE beacons, and remote-control units, the PIC16LF1517-E/P's XLP sleep modes (<100 nA typical per family datasheet) and 1.8 V minimum supply allow direct Li-ion / 2xAA battery operation. The 14 KB flash holds a small RTOS or state-machine with MQTT-SN / CoAP client code, while 512 B RAM suffices for short message buffers. The MSSP peripheral in SPI mode talks to a companion radio module (e.g., Sub-GHz transceiver); EUSART serves as a debug console. With internal 16 MHz HFINTOSC, no external crystal is needed, shrinking BOM. The 35 I/O pins drive RGB status LEDs, buttons, and a small e-paper or segment display.
Recommended
Consumer Remote Control
For TV/AV remote controls and IR/RF key fobs, the PIC16LF1517-E/P fits with its 1.8-3.6 V supply from a single CR2032 coin cell. Multiple PWM channels and timers drive IR carrier generation at 38 kHz / 56 kHz, while comparators detect button-matrix presses via wake-on-interrupt. XLP sleep currents extend coin-cell life to multi-year horizons. The 14 KB flash stores IR protocol libraries (RC5, NEC, SIRC, etc.), and EUSART allows easy firmware updates via a development header. The 40-PDIP package is ideal for hobby-grade and educational remote-control kits that users may modify on a breadboard.
Recommended
Educational / Hobby Microcontroller Platform
Educators and hobbyists favor the PIC16LF1517-E/P because the 40-PDIP package fits standard 0.1-inch breadboards and ICSP headers (PGC/PGD/MCLR) without surface-mount rework. The 14 KB flash and 512 B RAM are large enough to teach interrupts, ADC, PWM, I2C, and UART protocols in a single semester. The 20 MHz / 5 MIPS throughput exercises real-time scheduling. MPLAB X IDE with the free XC8 compiler provides a complete toolchain. Internal oscillators eliminate external crystals, so students focus on peripheral code rather than clock-tree design. The 1.8 V minimum voltage lets beginners safely power the board from a 3.3 V LDO or USB-to-serial adapter.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1517-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1518-E/P | PIC16LF1519-E/P | PIC16LF1517-I/P | PIC16F1517-E/P | PIC16LF1508-E/P |
|---|---|---|---|---|---|---|
| Package | 40-PDIP (P) | 40-PDIP (P) - same | 40-PDIP (P) - same | 40-PDIP (P) - same | 40-PDIP (P) - same | 40-PDIP (P) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 28 KB | 28 KB | 14 KB | 14 KB | 7 KB |
| RAM | 512 B | 1024 B | 1024 B | 512 B | 512 B | 256 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 | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| Max CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 C to +125 C (E grade) | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C (I grade) | -40 C to +125 C | -40 C to +125 C |
| XLP Low Power | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Larger flash memory than PIC16LF1508-E/P in same package (vs PIC16LF1508-E/P)
- Extended temperature grade available (vs PIC16LF1517-I/P)
- Wider voltage range in PIC16F1517-E/P variant (vs PIC16F1517-E/P)
- Higher flash headroom vs same-package PIC16LF1518/9 (vs PIC16LF1518-E/P)
Design Notes
Place 100 nF decoupling capacitors on every VDD/VSS pin pair and a single bulk capacitor (4.7 uF to 10 uF ceramic) at the MCU power entry. For low-noise ADC readings, also decouple AVDD/AVSS with a separate 100 nF cap and a small ferrite bead between digital VDD and AVDD rails. The LF voltage range requires the supply to remain above 1.8 V under all transient loads; use a regulator with low dropout and adequate headroom when sourcing from 2xAA batteries.
Reserve the ICSP pins (PGC = RB6, PGD = RB7, MCLR/Vpp = pin 1) per the family datasheet header layout so a PICkit 4 or MPLAB Snap can be attached without board rework. For through-hole designs, use a standard 6-pin 0.1-inch header footprint oriented to avoid interfering with adjacent components. Keep analog traces short and away from PWM or digital switching lines to minimize ADC cross-talk.
Do not assume data EEPROM is present - the PIC16LF1517 family does not include EEPROM. If your design needs non-volatile parameter storage, use self-programming of flash or an external I2C EEPROM (e.g., 24LC02). Also, the LF suffix means VDD must not exceed 3.6 V; applying 5 V will damage the part - choose the non-LF PIC16F1517 if 5 V is required. Finally, configure unused I/O pins as outputs low to minimize sleep current.
When using the internal HFINTOSC, no crystal layout is required, but place the optional 32.768 kHz watch crystal pins (if used for RTCC) close to the SOSC pins with a ground guard ring to reduce noise coupling. For ADC-accurate readings, route analog inputs away from high-current switching traces and use a small RC filter (10 ohm + 100 nF) at the ADC pin when sampling high-impedance sources.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications evaluate the automotive-grade siblings separately. Lead-free / halogen-free per the Microchip PIC16LF1517 family datasheet.
