PIC16LF1718-E/SO - 8-bit XLP MCU, 28KB Flash, 32MHz, 28-SOIC
MPN: PIC16LF1718-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.62 | $26.20 |
| 100 | $2.31 | $231.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.84 | $1,840.00 |
PIC16LF1718-E/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals such as ADC, timers, and communication interfaces. The PIC16F171x family specifically adds intelligent analog peripherals including on-chip op-amps, comparators, Digital-to-Analog Converters (DAC), and Core Independent Peripherals (CLC, COG, NCO, Zero-Cross Detect) on top of an enhanced mid-range 8-bit PIC core. Within the broader hierarchy, this part sits at: MCU → 8-bit MCU → PIC16 → XLP family → power management and analog-rich general-purpose controller.
Key features include a 32MHz internal oscillator (8MHz with 4x PLL), 10-bit ADC with computation, two on-chip op-amps, two 8-bit DACs, two comparators, four 16-bit timers, two CCP modules, one Enhanced USART, one MSSP (SPI/I2C), Peripheral Pin Select (PPS), and 24 GPIO. The 28-pin SOIC footprint offers compact integration while maintaining breadboard-friendly pitch for development.
Architecture-wise, the device uses Microchip's enhanced mid-range 8-bit core with 14-bit instructions, a 16-level hardware stack, and hardware-accelerated multiply. The integrated op-amps and 8-bit DACs allow closed-loop sensor conditioning without external components, reducing BOM cost for IoT nodes.
Typical applications include low-power sensor nodes, IoT edge devices, battery-powered instruments, LED lighting controllers, and consumer appliances requiring on-chip analog signal conditioning. The XLP sleep current (claimed ~20 nA typical) supports years of battery life from a coin cell.
Design tip: validate the I/O voltage domain matches the supply (VDD range 1.8V–3.6V for the LF variant) before connecting to 5V peripherals. Use PPS to remap peripheral functions to convenient pins, but note that the PPS unlock sequence must be issued in code after each POR.
This page synthesizes distributor stock, same-brand and cross-brand drop-in alternatives, and design notes not found on individual distributor listings.
Drop-in alternatives for PIC16LF1718-E/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 PIC16LF1718-E/SO (same form factor and footprint) — differing in ADC, Data RAM, Operating Temperature Range, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1718-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1718-I/SO
✅ Drop-In✓ In Stock
$1.77 / Unit
View Datasheet →PIC16LF1718-E/SO Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit enhanced mid-range |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 2 KB |
| Maximum CPU Frequency | 32 MHz |
| ADC | 10-bit, up to 17 channels |
| DAC | 2 x 8-bit |
| On-chip Op-Amps | 2 |
| Comparators | 2 |
| Timers | 4 x 16-bit / 1 x 8-bit |
| CCP Modules | 2 |
| Communication | 1 x EUSART, 1 x MSSP (SPI/I2C) |
| Peripheral Pin Select (PPS) | Yes |
| GPIO | 24 |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature Range | -40 C to +125 C (E suffix = Extended) |
| Package | 28-pin SOIC (300 mil) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF1718-E/SO Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 2 | RA5 — Digital I/O / analog input |
| Pin 3 | RA4 — Digital I/O / analog input |
| Pin 4 | RA3 — Digital I/O / analog input / MCLR |
| Pin 5 | RC5 — Digital I/O |
| Pin 6 | RC4 — Digital I/O |
| Pin 7 | RC3 — Digital I/O / analog input |
| Pin 8 | RC6 — Digital I/O |
| Pin 9 | RC7 — Digital I/O |
| Pin 10 | RB7 — Digital I/O |
| Pin 11 | RB6 — Digital I/O / PGC |
| Pin 12 | RB5 — Digital I/O / PGD |
| Pin 13 | RB4 — Digital I/O |
| Pin 14 | RC2 — Digital I/O / analog input |
| Pin 15 | RC1 — Digital I/O / analog input |
| Pin 16 | RC0 — Digital I/O / analog input |
| Pin 17 | OSC2 — Crystal oscillator output |
| Pin 18 | OSC1 — Crystal oscillator input |
| Pin 19 | VSS — Ground reference |
| Pin 20 | AVDD — Analog positive supply |
| Pin 21 | AVSS — Analog ground |
| Pin 22 | RA0 — Digital I/O / analog input |
| Pin 23 | RA1 — Digital I/O / analog input |
| Pin 24 | RA2 — Digital I/O / analog input |
| Pin 25 | RB0 — Digital I/O / analog input |
| Pin 26 | RB1 — Digital I/O / analog input |
| Pin 27 | RB2 — Digital I/O / analog input |
| Pin 28 | RB3 — Digital I/O / analog input |
Typical Applications
PIC16LF1718-E/SO is suitable for 6 applications: Low-Power IoT Sensor Nodes, Battery-Powered Consumer Appliances, Industrial Sensor Conditioning & Control, LED Lighting Controllers & Drivers, Automotive Body & Comfort Electronics, Portable Medical Monitoring Devices.
Low-Power IoT Sensor Nodes
The PIC16LF1718-E/SO is well suited for battery-powered IoT sensor nodes requiring years of battery life. The XLP (eXtreme Low Power) technology, VDD range of 1.8–3.6 V, and on-chip 10-bit ADC with computation allow direct sensor interfacing at low sample rates. According to Microchip documentation, Core Independent Peripherals (CLC, NCO, COG) can wake the CPU only when an event of interest is detected. Two integrated op-amps condition bridge sensors (load cell, thermocouple) without external active components. Compared with discrete analog solutions, the integrated approach reduces BOM, board area, and quiescent current in a typical CR2032-powered sensor node.
Recommended
Battery-Powered Consumer Appliances
The PIC16LF1718-E/SO fits battery-powered consumer appliances such as toothbrushes, shavers, remote controls, and electronic locks. The 32 MHz core handles capacitive-touch and motor-control PWM (two CCP modules plus COG peripheral), while the LF core maintains low quiescent current during standby. The 28 KB Flash provides room for UI state machines and BLE/LPWAN command stacks. The two on-chip op-amps can implement current sensing for battery monitoring, eliminating an external analog IC. Compared with 5V parts, the LF variant allows direct Li-ion (3.0–4.2 V) to LDO output (3.3 V) cascading with minimal dropout.
Recommended
Industrial Sensor Conditioning & Control
The PIC16LF1718-E/SO integrates analog signal conditioning and digital control, reducing part count in industrial sensor transmitters. The two on-chip op-amps provide programmable-gain stages for thermocouple, RTD, or bridge sensors; the 10-bit ADC with computation performs averaging and threshold detection in hardware. The two comparators and 8-bit DACs enable closed-loop PID loops for valve or heater control without external components. Per Microchip documentation, the Extended (-40 to +125 °C) temperature grade supports outdoor and factory-floor environments. EUSART plus MSSP allow RS-485 or wireless-module uplink with minimal firmware overhead.
Recommended
LED Lighting Controllers & Drivers
The PIC16LF1718-E/SO is well matched to smart LED lighting drivers where color mixing, dimming, and wireless control are required. The 16-bit PWM (COG and CCP modules) provides high-resolution dimming without flicker; the on-chip op-amps can sense current through an external shunt for constant-current regulation. The 8-bit DACs allow direct analog dimming reference generation. According to the Microchip datasheet, Peripheral Pin Select (PPS) allows flexible routing of PWM outputs to any GPIO, simplifying PCB layout. Compared with discrete 555-timer-based drivers, the PIC16LF1718-E/SO supports DALI, Zigbee, or BLE dimming protocols in the 28 KB code space.
Recommended
Automotive Body & Comfort Electronics
The PIC16LF1718-E/SO Extended temperature grade (-40 to +125 °C) suits interior automotive body modules such as seat controllers, mirror adjusters, and ambient lighting nodes. The MSSP and EUSART allow LIN bus connectivity for actuator networks. The two 16-bit timers support precise PWM for motor speed control. Per Microchip documentation, the PIC16F1718 family supports LIN 2.0 with the EUSART module. Although the LF variant is not AEC-Q100 qualified, for non-safety in-cabin nodes it offers substantial cost savings versus automotive-graded counterparts while maintaining the same 32 MHz throughput and 28-SOIC footprint.
Recommended
Portable Medical Monitoring Devices
The PIC16LF1718-E/SO is suitable for portable medical monitoring devices such as pulse oximeters, blood-pressure cuffs, and wearable health trackers. Its low VDD operation (1.8–3.6 V) supports direct Li-ion or coin-cell powering, while the 10-bit ADC with computation, on-chip op-amps, and 8-bit DACs allow direct analog front-end implementation for SpO2 sensors or pressure transducers. The 32 KB Flash is sufficient for BLE stack libraries and proprietary compression algorithms. According to Microchip documentation, the XLP technology achieves nanoamp-range sleep currents, extending battery life in always-on wearables. Note that medical-safety-critical applications require additional certification beyond the basic IEC 60730 library support.
Recommended Products Summary
Engineering reference data for PIC16LF1718-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1718-E/SO | PIC16LF1718-I/SO |
|---|---|---|---|
| Package | 28-SOIC | 28-SOIC (same) | 28-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 28 KB | 28 KB | 28 KB |
| SRAM | 2 KB | 2 KB | 2 KB |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz |
| VDD Range | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| Temperature Grade | -40 C to +125 C (E) | -40 C to +125 C (E) | -40 C to +85 C (I) |
| Op-Amps | 2 | 2 | 2 |
| On-chip DACs | 2 x 8-bit | 2 x 8-bit | 2 x 8-bit |
Key Differentiators
- On-chip dual op-amps and dual 8-bit DACs eliminate external analog front-end (vs PIC16F1828-I/SO)
- Larger Flash and SRAM for feature-rich firmware (vs PIC16F1828-I/SO)
- Core Independent Peripherals (CLC/NCO/COG) for hardware-only signal processing (vs PIC16F1718-E/SO (F-variant))
Design Notes
Estimated: VDD must remain within 1.8–3.6 V for the LF variant across the full -40 to +125 °C operating range. Place a 100 nF decoupling capacitor within 3 mm of the VDD pin and a bulk 1–10 µF tantalum or ceramic on the same trace. A 10 µF bulk + 100 nF high-frequency bypass combination is recommended for ADC accuracy under dynamic load. For applications with sleep current below 1 µA, verify that the chosen LDO has IQ below the MCU sleep current budget (MCP1711 is a common choice).
The PIC16LF1718-E/SO typically dissipates <100 mW in normal operation and does not require a heatsink. At 32 MHz / 3.3 V the core current is roughly 5 mA, so the SOIC-28 thermal resistance (~70 °C/W) keeps junction rise well under 5 °C. Ensure that the VDD trace is sized for the peak core current plus analog front-end draw (ADC + op-amps can briefly pull an additional 2–3 mA during conversion).
Keep analog signal traces (AN0–AN7, op-amp inputs) short and routed away from digital switching lines (PWM, MSSP clock) to preserve ADC SNR. Use a ground plane with the analog ground island tied to digital ground at a single point under the AVSS pin. Place the 32.768 kHz crystal (if used for low-power timing) close to OSC1/OSC2 with guard ring; if internal 32 MHz HFINTOSC is acceptable, OSC pins can be repurposed as GPIO via PPS.
The Peripheral Pin Select (PPS) unlock sequence (PPSLOCKED bit clear, I/O lock, write, re-lock) must be reissued after every POR/BOR — a common source of post-reset firmware bugs. The LF variant does NOT support 5 V on any pin; exceeding 3.6 V on I/O or VDD can damage the part. The MCLR pin (RA3) is shared with a digital I/O; if MCLR is enabled, RA3 cannot be used as GPIO. Finally, verify the ADC reference voltage selection (VDD vs dedicated VREF+ pin) matches expected analog input range before calibration.
Compliance Information
RoHS compliant per Microchip product page. The LF variant is NOT AEC-Q100 qualified; for AEC-Q100 automotive applications choose PIC16F1718-E/SO-Q1 (Q1 suffix). Halogen-free status not explicitly stated in provided data.
