PIC16LF1718T-I/SS - 8-bit 32MHz 28KB Flash MCU | Microchip
MPN: PIC16LF1718T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.45 | $14.50 |
| 100 | $1.21 | $121.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
| 3,000 | $0.82 | $2,460.00 |
PIC16LF1718T-I/SS Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of on-chip peripherals into one device. MCUs sit at the bottom of the embedded-computing hierarchy (transistor -> logic gate -> microcontroller -> embedded system) and are the dominant compute element in low-power, deterministic, cost-sensitive products such as sensor nodes, consumer appliances, and motor-control peripherals.
Key features of the PIC16LF1718T-I/SS include low-power XLP™ operation (eXtreme Low Power) suitable for battery-powered products, on-chip intelligent analog peripherals (op amps, 10-bit ADC with computation, DAC), Core Independent Peripherals (CLC, COG, NCO, Zero-Cross Detect), and Peripheral Pin Select for flexible signal routing. The wide 1.8V to 3.6V VDD range supports single-cell Li-ion or two-cell AA/AAA battery chemistries directly.
The PIC16LF1718 architecture combines a Harvard RISC core with hardware Multiply and a vectored interrupt controller, achieving 32 MHz / 8 MIPS throughput. On-chip peripherals are mapped onto a Peripheral Pin Select (PPS) crossbar, which lets the designer remap digital functions (UART, SPI, PWM) to almost any I/O pin, simplifying board layout versus fixed-pin MCUs.
Typical applications include IoT sensor nodes, battery-powered handheld instruments, low-cost consumer appliances, LED lighting controllers, and small BLDC/power-conversion loops that benefit from the on-chip op amps and Core Independent Peripherals.
When designing with the PIC16LF1718T-I/SS, place a 0.1uF decoupling capacitor as close as possible to each VDD pin and a 10uF bulk capacitor near the regulator output. Use MPLAB X IDE with the XC8 compiler for code development and pick a programmer/debugger such as PICkit 4 or MPLAB Snap for in-circuit flash programming and debugging.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16LF1718T-I/SS — 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 PIC16LF1718T-I/SS (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Program Memory (Flash), Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1718-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1718T-I/SO
✅ Drop-In✓ In Stock
$1.27 / Unit
View Datasheet →PIC16LF1709T-I/SS
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF1619-I/SS
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF1559T-I/SS
✅ Drop-In✓ In Stock
$1.28 / Unit
View Datasheet →PIC16LF1718T-I/SS Maximum Ratings & Electrical Characteristics
| Family | PIC16F (XLP) |
| Core | 8-bit PIC RISC |
| Max CPU Frequency | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| RAM | 2 KB |
| ADC | 10-bit |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | Up to 25 (28-pin SSOP) |
| Package | 28-SSOP (5.30 mm) |
| Operating Temperature | -40C to +85C (Industrial, 'I') |
| Mounting Type | Surface Mount |
| MSL Level | 1 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Peripherals | Op Amps, DAC, CLC, COG, NCO, Zero-Cross Detect, PPS |
PIC16LF1718T-I/SS Pin Configuration
| Pin 1 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Pin 2 | RA3/AN3 — PORTA bit 3 / Analog input 3 |
| Pin 3 | RA4/AN4 — PORTA bit 4 / Analog input 4 |
| Pin 4 | RA5/AN5 — PORTA bit 5 / Analog input 5 |
| Pin 5 | RA6 — PORTA bit 6 |
| Pin 6 | RA7 — PORTA bit 7 |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 9 | OSC1/RA0 — Crystal oscillator input / PORTA bit 0 |
| Pin 10 | OSC2/RA1 — Crystal oscillator output / PORTA bit 1 |
| Pin 11 | RC0 — PORTC bit 0 |
| Pin 12 | RC1 — PORTC bit 1 |
| Pin 13 | RC2 — PORTC bit 2 |
| Pin 14 | RC3 — PORTC bit 3 |
| Pin 15 | RC4 — PORTC bit 4 |
| Pin 16 | RC5 — PORTC bit 5 |
| Pin 17 | RC6 — PORTC bit 6 |
| Pin 18 | RC7 — PORTC bit 7 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 21 | RB0 — PORTB bit 0 (interrupt-on-change) |
| Pin 22 | RB1 — PORTB bit 1 (interrupt-on-change) |
| Pin 23 | RB2 — PORTB bit 2 (interrupt-on-change) |
| Pin 24 | RB3 — PORTB bit 3 (interrupt-on-change) |
| Pin 25 | RB4 — PORTB bit 4 (interrupt-on-change) |
| Pin 26 | RB5 — PORTB bit 5 (interrupt-on-change) |
| Pin 27 | RB6/ICSPCLK — PORTB bit 6 / ICSP clock |
| Pin 28 | RB7/ICSPDAT — PORTB bit 7 / ICSP data |
Typical Applications
PIC16LF1718T-I/SS is suitable for 6 applications: IoT Sensor Hub / Battery-Powered Wireless Node, LED Lighting Controller / Color Mixing, Small BLDC / Fan Motor Control, Low-Cost Consumer Appliance / HMI, Industrial Process Sensor (4-20 mA Loop / 0-10V), Portable Medical / Wearable Device.
IoT Sensor Hub / Battery-Powered Wireless Node
The PIC16LF1718T-I/SS fits IoT sensor hubs because its 1.8V-3.6V VDD range lets it run directly from a single CR2032 or 2x AA batteries while the 32 MHz core processes sensor data before transmitting via an external BLE/Zigbee radio. According to the PIC16F1718 family datasheet, the on-chip 10-bit ADC, op amps and CLC/NCO blocks can implement analog front-end conditioning (transimpedance, low-pass filter, threshold detection) in hardware, leaving the CPU free. Power consumption benefits from XLP™ sleep modes below 1 uA, enabling multi-year coin-cell lifetimes in remote sensor deployments.
Recommended
LED Lighting Controller / Color Mixing
The PIC16LF1718T-I/SS is well suited for multi-channel LED drivers: the on-chip op amps act as current-sense amplifiers, the 10-bit ADC measures LED current, and the PWM drives MOSFETs at high resolution. According to the Microchip 16F1718 datasheet, the COG (Complementary Output Generator) and CLC (Configurable Logic Cell) peripherals implement dead-time control and zero-current switching in hardware, offloading the CPU. The 32 MHz / 8 MIPS throughput comfortably drives four channels of 16-bit PWM at 10 kHz with margin for a UI stack.
Recommended
Small BLDC / Fan Motor Control
The PIC16LF1718T-I/SS fits low-cost sensorless BLDC control because the NCO (Numerically Controlled Oscillator) and Zero-Cross Detect peripherals provide accurate back-EMF zero-cross timing, while the Core Independent Peripherals keep commutation timing deterministic without CPU jitter. According to the PIC16F1718 datasheet, the 28-SSOP variant exposes up to 25 I/O lines - enough for three-phase gate drive, Hall/Tacho input, and a UART debug port. The wide 1.8V-3.6V VDD and industrial -40C to +85C range suit 5V/12V fan and pump designs.
Recommended
Low-Cost Consumer Appliance / HMI
The PIC16LF1718T-I/SS drives capacitive touch and segmented LCD user interfaces in microwaves, washing machines and coffee makers. According to the Microchip product selector, the on-chip op amps implement signal conditioning for capacitive touch sliders, while the 2 KB RAM and 32 MHz speed support modest graphical UI stacks and BLE pairing via an external module. The 28-SSOP package offers 25 I/O lines - sufficient for keypad matrix, encoder input, relay drivers and a UART debug port.
Recommended
Industrial Process Sensor (4-20 mA Loop / 0-10V)
The PIC16LF1718T-I/SS handles industrial loop-powered sensors where its on-chip 10-bit ADC, op amps, and DAC implement signal conditioning and 4-20 mA current loop output. According to the PIC16F1718 family datasheet, the 1.8V minimum VDD supports operation from a 3.3V linear regulator fed by the loop, and the -40C to +85C industrial range covers most process environments. The 28 KB Flash fits typical sensor firmware (linearization, HART-like protocol, diagnostics) without external memory.
Recommended
Portable Medical / Wearable Device
The PIC16LF1718T-I/SS suits battery-powered medical and wellness wearables thanks to its XLP™ low-power modes (sub-uA sleep), on-chip op amps for bio-potential front-ends (ECG, EMG), and 32 MHz headroom for DSP-like filtering. According to the Microchip XLP family brochure, the device can wake on a threshold interrupt and return to sleep within microseconds, extending battery life. The 28-SSOP package has a 5.30 mm body which is compact enough for wrist-worn enclosures, while the 1.8V minimum supply suits Li-Po chemistries.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1718T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1718-I/SS | PIC16LF1709T-I/SS | PIC16LF1619-I/SS | PIC16LF1559T-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 28 KB | 28 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Max CPU Frequency | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) |
| 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 3.6 V |
| On-chip Op Amps | Yes (multiple) | Yes (multiple) | Yes (2) | Yes (2) | No |
| Core Independent Peripherals (CLC/COG/NCO/ZCD) | All four (CLC, COG, NCO, ZCD) | All four | CLC, NCO, ZCD (no COG) | CLC, NCO, ZCD (no COG) | CLC only |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Limited |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
Key Differentiators
- On-chip Core Independent Peripherals (CLC, COG, NCO, ZCD) reduce CPU load (vs PIC16LF1559T-I/SS)
- Multiple on-chip op amps for analog front-end integration (vs PIC16LF1559T-I/SS)
- XLP™ deep-sleep current below 1 uA (vs PIC16LF1709T-I/SS)
- Full 28-SSOP Peripheral Pin Select flexibility (vs PIC16LF1619-I/SS)
Design Notes
Decouple VDD with a 0.1 uF X7R ceramic placed within 3 mm of pins 8 and 20; add a 10 uF bulk capacitor near the regulator output for transient load events (e.g., radio TX bursts). Estimated: total bulk should be sized to keep the supply ripple below 50 mV at 32 MHz operation. Tie all VSS pins (7 and 19) to a low-impedance ground plane via short, wide traces; floating or weakly-connected VSS pins are a common cause of erratic ADC readings in 28-SSOP PIC designs.
Route ICSPCLK (pin 27) and ICSPDAT (pin 28) traces away from high-current switching paths and keep them as short as possible to preserve in-circuit programming margin. Place the ICSP header on the board edge so the PICkit 4 or MPLAB Snap connector can attach without interfering with the rest of the layout. The 28-SSOP has a 5.30 mm body, leaving 0.65 mm pin pitch - use 0.20-0.25 mm wide traces through the pad area and route power on inner/outer planes.
Configure unused I/O pins as outputs driving low to minimise current consumption and EMI. The PIC16LF1718T-I/SS has Peripheral Pin Select (PPS) which lets you remap UART, SPI and PWM to almost any digital I/O - take advantage of this to keep sensitive analog pins (RA0-RA7 on PORTA) free from digital switching noise. Place the analog supply (AVDD) and digital supply (VDD) on the same rail with the bulk capacitor, and tie all analog ground pins to the same low-impedance ground plane.
Do not exceed 3.6V on any VDD pin - the 'LF' variant is the 1.8V-3.6V low-voltage part, not the wider-range 1.8V-5.5V PIC16F1718. Estimated: applying 5V to PIC16LF1718T-I/SS will exceed absolute-maximum ratings and may permanently damage the MCU. Configure the configuration bits (CONFIG1, CONFIG2) in MPLAB X to select the correct oscillator mode (INTOSC recommended for low-power) and disable the watchdog timer unless explicitly needed - leaving WDT on can cause spurious resets in noisy environments.
Compliance Information
RoHS and REACH compliant per Microchip product page and distributor listings. MSL-1 moisture sensitivity (per JEDEC J-STD-020) - no special floor-life handling required. Industrial -40C to +85C temperature grade ('I' suffix); choose 'E' (extended) or 'Q-1' (automotive) variants for wider temperature or AEC-Q100 needs.
