PIC16LF1718-I/SP - 8-bit 32MHz 28KB Flash XLP MCU | Microchip
MPN: PIC16LF1718-I/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.66 | $26.60 |
| 100 | $2.37 | $237.00 |
| 500 | $2.13 | $1,065.00 |
| 1,000 | $1.9 | $1,900.00 |
PIC16LF1718-I/SP Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, program memory, and peripherals. PIC® MCUs use a Harvard RISC architecture with separate program and data buses; the 16F family is the mid-range 8-bit line known for deterministic interrupt response and a rich peripheral set at low cost. XLP technology is Microchip's branded ultra-low-power architecture that combines nanoWatt peripherals, deep-sleep modes, and intelligent power management to extend battery life in IoT and portable products.
Key differentiating features of the PIC16LF1718 include on-chip op amps, a 10-bit ADC with up to 17 channels, a 5-bit and an 8-bit DAC, Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Complementary Output Generator (COG), Numerically Controlled Oscillator (NCO) and Zero Cross Detect (ZCD), plus Peripheral Pin Select (PPS) for flexible signal routing. The LF voltage range (1.8–3.6 V) and 32 MHz operation deliver a balance of performance and power for cost-sensitive designs.
Typical applications include low-power IoT sensor nodes, battery-powered instrumentation, LED lighting controllers, consumer appliances, and small industrial control boards. Designers favor this family for the combination of analog integration (op amps + DAC + ADC on-chip) and CIPs that offload timing-critical tasks from the CPU, reducing firmware complexity and BOM cost.
Design consideration: ensure the supply decoupling follows Microchip's recommended 100 nF + bulk capacitor layout, and verify the PPS mapping for any non-default pin assignments in MPLAB X IDE. The page below synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16LF1718-I/SP — 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 PIC16LF1718-I/SP (same form factor and footprint) — differing in ADC, DAC, Package, Family, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1718-I/SP
✅ Drop-In✓ In Stock
$1.32 / Unit
View Datasheet →PIC16LF1717-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1718-E/SP
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16LF1719-I/SP
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16LF1713-E/SP
✅ Drop-In✓ In Stock
$1.44 / Unit
View Datasheet →PIC16LF1718-I/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC |
| Family | PIC® XLP™ 16F |
| CPU Speed (Max) | 32 MHz |
| Program Memory (Flash) | 28 KB (16K x 14) |
| RAM | 2 KB |
| Data EEPROM | 256 bytes |
| ADC | 10-bit, up to 17 channels |
| DAC | 1 x 5-bit, 1 x 8-bit |
| On-chip Op Amps | Yes |
| Supply Voltage Range | 1.8 V to 3.6 V (LF variant) |
| Package | 28-pin SPDIP (0.300 inch / 7.62 mm) |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Mounting Type | Through-Hole |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF1718-I/SP Pin Configuration
| Pin 1 | MCLR/RE3 — Master Clear (Reset) input or digital I/O RE3 |
| Pin 2 | RA0 — Analog input / digital I/O |
| Pin 3 | RA1 — Analog input / digital I/O |
| Pin 4 | RA2 — Analog input / digital I/O |
| Pin 5 | RA3 — Analog input / digital I/O |
| Pin 6 | RA4 — Analog input / digital I/O |
| Pin 7 | RA5 — Analog input / digital I/O |
| Pin 8 | RE0 — Digital I/O |
| Pin 9 | RE1 — Digital I/O |
| Pin 10 | RE2 — Digital I/O |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RA7/OSC1 — Digital I/O / oscillator input |
| Pin 14 | RA6/OSC2 — Digital I/O / oscillator output |
| Pin 15 | RC0 — Digital I/O |
| Pin 16 | RC1 — Digital I/O |
| Pin 17 | RC2 — Digital I/O |
| Pin 18 | RC3 — Digital I/O |
| Pin 19 | RC4 — Digital I/O |
| Pin 20 | RC5 — Digital I/O |
| Pin 21 | RC6 — Digital I/O |
| Pin 22 | RC7 — Digital I/O |
| Pin 23 | RB7 — Digital I/O |
| Pin 24 | RB6 — Digital I/O |
| Pin 25 | RB5 — Digital I/O |
| Pin 26 | RB4 — Digital I/O |
| Pin 27 | RB3 — Digital I/O |
| Pin 28 | RB2 — Digital I/O |
Typical Applications
PIC16LF1718-I/SP is suitable for 6 applications: Battery-Powered IoT Sensor Node, LED Lighting Controller, Consumer Appliance Control Board, Portable Medical Monitoring Device, Low-Cost Industrial Sensor Transmitter, Educational / Hobby MCU Development.
Battery-Powered IoT Sensor Node
The PIC16LF1718-I/SP suits battery-powered IoT sensor nodes thanks to its 1.8 V minimum supply (compatible with a single alkaline or coin cell) and XLP nanoWatt deep-sleep currents down to ~20 nA with RTC active. Its 10-bit ADC with 17 channels handles multiple analog sensors (temperature, light, voltage) without external muxing, while the on-chip op amp amplifies low-output sensors (e.g., thermocouples, photodiodes) directly on the die. The 32 MHz CPU lets it process sensor data and run light RF stack handling before returning to sleep. Core Independent Peripherals like CLC and NCO offload wake-up timing logic so the CPU stays asleep longer.
Recommended
LED Lighting Controller
For LED lighting controllers, the PIC16LF1718-I/SP provides the 8-bit DAC and PWM peripherals needed for color-mixing and dimming, while the Complementary Output Generator (COG) hardware peripheral drives half-bridge MOSFETs with programmable dead-band delay, eliminating software timing jitter. Zero Cross Detect (ZCD) interfaces directly with the AC mains for TRIAC dimming without additional optocouplers in many designs. The wide operating voltage and op amp front-end close the loop on current sensing. The 28-SPDIP package suits through-hole reference designs and educational kits for LED driver development.
Recommended
Consumer Appliance Control Board
In consumer appliances such as coffee machines, washing machines, and microwave ovens, the PIC16LF1718-I/SP brings on-chip op amps for signal conditioning (e.g., current sense on motor drivers), a 10-bit ADC for thermistor and keypad scanning, and PWM channels for motor and buzzer control. Its Core Independent Peripherals (CLC, NCO) handle timing-critical tasks like zero-crossing detection of the AC line without CPU intervention, improving EMC robustness. The 28-SPDIP industrial-grade package is field-proven for through-hole manufacturing lines and supports in-circuit programming for firmware updates.
Recommended
Portable Medical Monitoring Device
Portable medical devices (pulse oximeters, glucose meters, handheld spirometers) leverage the PIC16LF1718-I/SP's XLP sleep modes to extend battery life for multi-day monitoring. Its 1.8 V supply allows direct operation from a single Li coin cell, while the on-chip op amp amplifies photodiode signals in pulse-ox designs and the 10-bit ADC digitizes them with adequate resolution for SpO2 calculation. The CLC peripheral can implement a hardware heart-rate detection state machine, waking the CPU only on a detected beat. The 28-SPDIP package is useful for prototyping and clinical pilot builds.
Recommended
Low-Cost Industrial Sensor Transmitter
For 4–20 mA loop-powered or battery-backed industrial sensor transmitters, the PIC16LF1718-I/SP provides the analog front-end (op amp + 10-bit ADC + reference), digital computation (32 MHz core), and serial communication peripherals (UART, I2C, SPI) in one chip. Its on-chip 8-bit DAC and PWM can synthesize the 4–20 mA loop current without a dedicated DAC chip, reducing BOM cost. The industrial temperature grade and robust SPDIP package suit factory-floor environments. PPS allows the same firmware to target different pin-outs for multi-product families, simplifying manufacturing.
Recommended
Educational / Hobby MCU Development
The PIC16LF1718-I/SP is widely used in educational and hobby settings because the 28-SPDIP package fits standard 0.300 inch DIP sockets, breadboards, and through-hole trainer boards. The MPLAB X IDE with XC8 compiler is free, and the PICkit 4 / Snap programmer debugs the device in-circuit. The on-chip peripherals (CLC, COG, NCO, ZCD, op amps, dual DAC) expose students to advanced MCU concepts not available in simpler 8-bit parts. Microchip's Curiosity and Low Pin Count development boards include compatible pin headers for hands-on learning.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1718-I/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1718-I/SP | PIC16LF1717-I/SP | PIC16LF1718-E/SP | PIC16LF1713-E/SP |
|---|---|---|---|---|---|
| Package | 28-SPDIP | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Flash Memory | 28 KB | 28 KB | 28 KB | 28 KB | 7 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 512 B |
| ADC Channels | 17 channels, 10-bit | 17 channels, 10-bit | 12 channels, 10-bit | 17 channels, 10-bit | 11 channels, 10-bit |
| DAC | 1 x 5-bit, 1 x 8-bit | 1 x 5-bit, 1 x 8-bit | 1 x 5-bit | 1 x 5-bit, 1 x 8-bit | 1 x 5-bit |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +125 °C |
Key Differentiators
- Highest Flash and ADC channel count in the 1718 SPDIP family (vs PIC16LF1717-I/SP)
- Wider temperature range than standard-grade LF variant (vs PIC16LF1718-I/SP (standard grade))
- Four times the Flash and full peripheral set vs entry-level 1713 (vs PIC16LF1713-E/SP)
Design Notes
The PIC16LF1718-I/SP's XLP nanoWatt deep-sleep mode draws approximately 20 nA with the WDT disabled, but rises to ~800 nA with WDT and RTCC active. For minimal sleep current, disable all unused peripherals in firmware before issuing the SLEEP instruction, and configure unused pins as outputs driving low. Decoupling: place a 100 nF ceramic capacitor within 3 mm of the VDD pin, plus a 10 µF bulk capacitor if the supply source impedance exceeds 1 Ω. Estimated: with 32 MHz active core current of ~6 mA at 3.3 V, average current for a duty-cycled sensor (1 ms active / 999 ms sleep) is approximately 26 µA, supporting years of life from a single CR2032 coin cell.
Place the 28-SPDIP decoupling capacitors (100 nF + 10 µF) as close as possible to the VDD and VSS pins. The PIC16LF1718's analog inputs (RA0–RA5, RB0–RB3) should be guarded with a ground ring or kept away from switching traces to preserve ADC accuracy. The MCLR pin should be pulled up to VDD through a 10 kΩ resistor; an optional 100 nF to VDD on MCLR improves ESD immunity. Programming connector pads (ICSPDAT/ICSPCLK) should be routed to the dedicated RB7/RB6 pins per the Microchip ICSP specification to allow in-circuit debugging.
Do not enable the LF variant on a 5 V supply — the absolute maximum VDD is 4.0 V for the LF series and 5.5 V for the F series; mixing them will damage the MCU. When migrating firmware from PIC16LF1713-I/SP to PIC16LF1718-I/SP, verify that all PPS assignments are remapped because the higher pin count exposes more peripheral-to-pin options that may not be compatible with the smaller device. The CLC, COG, NCO, and ZCD peripherals must be explicitly enabled in firmware via PMD registers; an unconfigured CIP does not affect pins until the peripheral is turned on.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified — use automotive-grade PIC parts if AEC-Q100 is required. Halogen-free status not explicitly stated in provided data.
