PIC16LF1716T-I/SO - 8-bit 32MHz MCU, 14KB Flash, 28-SOIC | Microchip
MPN: PIC16LF1716T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.65 | $26.50 |
| 100 | $2.3 | $230.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.82 | $1,820.00 |
| 3,000 | $1.55 | $4,650.00 |
PIC16LF1716T-I/SO Overview
Background: an 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripherals on one die. PIC microcontrollers use a RISC-based Harvard architecture where separate program and data buses allow single-cycle instruction execution. The PIC16F170x/171x series specifically targets general-purpose cost-sensitive designs that need precision analog blocks without external components.
Key features include up to 32MHz operation from a 1.8V to 3.6V supply, on-chip op-amps suitable for signal conditioning, high-performance 10-bit ADC with computation, and configurable logic cells (CLC) for hardware glue logic. The XLP variants (PIC16LF) reduce sleep current to nanoamp levels, ideal for battery-powered applications. Communication is supported through EUSART, I2C, and SPI with peripheral pin select (PPS) for flexible routing.
Architecture and technology: the device uses a modified Harvard core with a 14-bit instruction word and an 8-bit data path, optimized for deterministic interrupt response and C-compilable code. PPS allows remapping of digital peripherals to multiple I/O pins, simplifying PCB layout and enabling drop-in upgrades between family members with different pin counts.
Typical applications include IoT sensor nodes, low-power wireless peripherals, industrial sensor conditioning loops, battery-powered instrumentation, LED lighting controllers, and small appliances. The integrated op-amps, DACs, and comparators make it a single-chip analog front-end for closed-loop control or signal-acquisition systems.
Design consideration: when migrating across the PIC16F170x/171x family, verify that PPS assignments, ADC channel mapping, and op-amp input muxing match your firmware, since pin counts differ between 14-SOIC, 28-SOIC, 28-SSOP, and UQFN packages.
This page synthesizes distributor pricing, drop-in alternatives, and design considerations that complement the manufacturer datasheet and help engineers evaluate the PIC16LF1716T-I/SO for new and replacement designs.
Drop-in alternatives for PIC16LF1716T-I/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 PIC16LF1716T-I/SO (same form factor and footprint) — differing in Operating Temperature, Package, ADC, Program Memory (Flash), Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1716-I/SO
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1716T-I/SO
✅ Drop-In✓ In Stock
$1.29 / Unit
View Datasheet →PIC16LF1717T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1713T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1709T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1618T-I/SO
✅ Drop-In✓ In Stock
$0.31 / Unit
View Datasheet →PIC16LF1716T-I/SO Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC |
| Family | PIC16F170x/171x (XLP) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage | 1.8 V to 3.6 V |
| ADC | 10-bit, multi-channel |
| DAC | 5-bit / 8-bit on-chip |
| Op-Amps | On-chip |
| Comparators | Yes |
| Core Independent Peripherals | CLC, NCO, COG, ZCD, PWM, CCP |
| Communication | EUSART, I2C, SPI |
| Peripheral Pin Select (PPS) | Yes |
| Package | 28-SOIC |
| Operating Temperature | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16LF1716T-I/SO Pin Configuration
| Pin 1 | RA5 — I/O / DAC output / op-amp reference |
| Pin 2 | RA4 — I/O / T0CKI / COG |
| Pin 3 | RA3 — I/O / MCLR (programming) |
| Pin 4 | RC5 — I/O / CCP / PWM |
| Pin 5 | RC4 — I/O / CLC |
| Pin 6 | RC3 — I/O / SCL / SPI SCK |
| Pin 7 | RC2 — I/O / SDA / SPI SDI |
| Pin 8 | RC1 — I/O / CCP / PWM |
| Pin 9 | RC0 — I/O / SOSCO |
| Pin 10 | VSS — Ground |
| Pin 11 | RA2 — I/O / analog / op-amp output |
| Pin 12 | RA1 — I/O / analog / op-amp input |
| Pin 13 | RA0 — I/O / analog / ICDDAT |
| Pin 14 | VSS — Ground |
| Pin 15 | RA7 — I/O / OSC1 |
| Pin 16 | RA6 — I/O / OSC2 / CLKOUT |
| Pin 17 | VDD — Supply voltage |
| Pin 18 | RB7 — I/O / analog / ICSPCLK |
| Pin 19 | RB6 — I/O / analog / ICSPDAT |
| Pin 20 | RB5 — I/O / analog |
| Pin 21 | RB4 — I/O / analog |
| Pin 22 | RB3 — I/O / analog / COG |
| Pin 23 | RB2 — I/O / analog / CLC |
| Pin 24 | RB1 — I/O / analog / EUSART RX |
| Pin 25 | RB0 — I/O / analog / EUSART TX |
| Pin 26 | VDD — Supply voltage |
| Pin 27 | RC7 — I/O / SPI SDO |
| Pin 28 | RC6 — I/O / SPI SS / TX |
Typical Applications
PIC16LF1716T-I/SO is suitable for 6 applications: IoT Battery-Powered Sensor Node, Industrial Sensor Signal Conditioning, LED Lighting Controller, Battery Charger and Power Management, Consumer Small Appliance Control, Portable Medical Monitoring Accessory.
IoT Battery-Powered Sensor Node
The PIC16LF1716T-I/SO is a strong fit for IoT sensor nodes because its XLP nanoamp sleep current and 1.8V minimum supply let it run from coin-cell or 2xAA batteries for years. The 10-bit computation ADC handles sensor readings, the on-chip op-amps condition low-level signals, and EUSART/SPI/I2C connect to a companion radio. PPS routing allows flexible PCB layouts. Compared with a discrete op-amp plus ADC solution, this single-chip integration reduces BOM cost and PCB area while keeping firmware complexity manageable.
Recommended
Industrial Sensor Signal Conditioning
The on-chip op-amps and computation ADC make the PIC16LF1716T-I/SO ideal for industrial 4-20mA loop, thermocouple, or bridge-sensor signal conditioning. The op-amps provide differential gain stages, while the ADC with hardware averaging computes filtered readings. CLC and NCO peripherals can generate excitation waveforms for ratiometric measurements. The 28-SOIC package handles -40C to +85C industrial temperatures. Compared with separate op-amp ICs plus an external ADC, this MCU shrinks analog front-end PCBs by 30-50% and reduces calibration steps.
Recommended
LED Lighting Controller
The PIC16LF1716T-I/SO drives constant-current LED strings via its 5/8-bit DAC and PWM peripherals, while COG and CLC generate zero-cross timing for TRIAC dimming. The 32MHz core executes color-mixing algorithms in real time for RGBW fixtures. Low sleep current suits mains-powered standby budgets. Designers using a 28-SOIC footprint can drop-in the PIC16LF1717T-I/SO if firmware grows beyond 14KB Flash.
Recommended
Battery Charger and Power Management
Use the PIC16LF1716T-I/SO as the supervisor MCU in a battery charger: the 10-bit ADC monitors cell voltage and current shunt, the DAC sets the charge-voltage reference, and CLC implements safety timers. The 1.8V minimum supply suits single-cell Li-ion designs. PPS flexibility allows the same PCB layout to be reused for 1S, 2S, and 3S chemistries with firmware-only changes.
Recommended
Consumer Small Appliance Control
Coffee makers, blenders, and air purifiers benefit from the PIC16LF1716T-I/SO because the on-chip op-amps handle NTC temperature reading, the comparators trigger zero-cross detection, and PWM drives motor or heater MOSFETs. The 28-SOIC package is a widely understood assembly-friendly footprint. Cost-optimized designs can substitute the PIC16LF1507T-I/SO for less demanding appliances.
Recommended
Portable Medical Monitoring Accessory
The PIC16LF1716T-I/SO is well matched to portable medical accessories (pulse-oximeter probes, spirometer sensors, glucose-meter docks) thanks to its low sleep current, integrated op-amps for sensor conditioning, and computation ADC for filtered measurements. The 32MHz core runs lightweight DSP filters in real time, while SPI/I2C connect to a BLE module for wireless data transfer. Existing IEC 60730 class-B firmware libraries from Microchip simplify safety certification.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1716T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1716-I/SO | PIC16F1716T-I/SO | PIC16LF1717T-I/SO | PIC16LF1713T-I/SO | PIC16LF1709T-I/SO | PIC16LF1618T-I/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | 8-bit PIC | 8-bit PIC | 8-bit PIC | 8-bit PIC | 8-bit PIC | 8-bit PIC | 8-bit PIC |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage | 1.8 V to 3.6 V (LF/XLP) | 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 | 1.8 V to 3.6 V |
| On-chip Op-Amps | Yes | Yes | Yes | Yes | Yes | Limited | No |
| Unit Price (qty 1) | USD 2.95 | USD 2.80 | USD 2.55 | USD 3.10 | USD 2.40 | USD 2.20 | USD 2.10 |
Key Differentiators
- On-chip op-amps with computation ADC in 28-SOIC (vs PIC16LF1709T-I/SO)
- More Flash than lower-tier LF family (vs PIC16LF1713T-I/SO)
- Wider CIP coverage than LF161x family (vs PIC16LF1618T-I/SO)
Design Notes
The PIC16LF1716T-I/SO offers XLP nanoamp sleep current when the LF variant is selected; verify firmware disables all unused peripherals before entering sleep to reach the lowest Iq. Decoupling: place a 100nF ceramic capacitor as close as possible to each VDD pin (pins 17 and 26 in 28-SOIC), and add a bulk 1uF-10uF capacitor on the supply rail. For ADC measurements, a quiet analog supply (AVDD) with its own ferrite bead is recommended.
Route analog signals away from PWM and high-current switching traces. Use a ground plane and keep the analog ground pin (VSS, pin 14) connected to the same plane as digital grounds to avoid ground loops. The PPS feature allows remapping digital peripherals to multiple I/O pins; assigning SPI/UART lines to adjacent pins simplifies routing. Reserve the ICSPDAT/ICSPCLK pins (RB6/RB7) for in-circuit serial programming access in production.
When migrating code from a 28-SOIC to a 28-SSOP or UQFN variant of the PIC16LF1716, verify the PPS mapping and ADC channel assignments because pin functions can differ between packages even on the same die. Do not assume PIC16F1716 and PIC16LF1716 firmware are identical in sleep timing - the LF variant has lower minimum operating voltage (1.8V vs 2.3V). Always include the MCLR pull-up resistor (typically 10k) for reliable reset.
Compliance Information
RoHS and REACH compliance confirmed per Microchip product page. Industrial temperature grade (-40C to +85C); AEC-Q100 automotive grade not qualified - refer to PIC16F1716-I/SS automotive variant if needed.
