PIC16LF707-I/ML - 14KB Flash 8-bit MCU, 44-pin QFN | Microchip
MPN: PIC16LF707-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.57 | $25.70 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.82 | $1,820.00 |
PIC16LF707-I/ML Overview
An 8-bit PIC microcontroller is a compact, deterministic computing core built on a Harvard RISC architecture, optimized for embedded control tasks where predictable timing, low power, and small footprint dominate. Within the broader taxonomy it sits below 32-bit ARM Cortex-M MCUs in complexity but above discrete logic in capability, filling the gap in cost-sensitive and power-constrained designs such as consumer white goods, sensor interfaces, and human-machine input panels. The 'LF' prefix denotes a wide-voltage, low-power variant suitable for battery-powered or energy-harvesting systems, distinguishing it from the F-variant that shares the same pinout but operates only at 2.3 V-5.5 V.
Key features include hardware capacitive touch sensing via the on-chip mTouch module (no external touch IC needed), nanoWatt XLP sleep currents below 1 microampere, an integrated 16 MHz internal oscillator eliminating the external crystal in most designs, and a 14-channel 8-bit ADC for direct sensor conditioning. Peripherals include two comparators, an 8/16-bit timer, MSSP for I2C/SPI, an enhanced USART (AUSART) for RS-232/RS-485 links, and dual capture/compare/PWM modules for motor or LED control. The 44-pin QFN package gives compact PCB mounting with a thermal pad for heat spreading.
The PIC16LF707 uses a 14-bit instruction word RISC core with a hardware stack and 35 single-word instructions, supporting interrupt-driven or polled firmware. Integrated POR, BOR, WDT, and low-voltage detection simplify firmware safety, while ICSP (In-Circuit Serial Programming) allows end-of-line firmware updates without removing the device.
Typical applications include capacitive touch user interfaces, low-power IoT sensor nodes, home appliance control panels, LED lighting controllers, and battery-powered instrumentation. The mTouch and XLP combination makes it well suited to mains-powered or battery-driven touch HMIs.
When designing with this device, bypass VDD with a 100 nF ceramic capacitor close to the IC and tie the exposed pad (EP) to a solid ground plane for thermal and electrical stability. Verify the supply headroom if the application runs near the 1.8 V lower limit; deep-sleep XLP modes require careful peripheral gating in firmware to achieve the datasheet's nanoamp quiescent currents.
This page synthesizes distributor pricing, drop-in alternatives, and engineering design notes drawn from the Microchip PIC16(L)F707 datasheet, providing practical context that the bare datasheet alone does not.
Drop-in alternatives for PIC16LF707-I/ML — 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 PIC16LF707-I/ML (same form factor and footprint) — differing in ADC, Package, Core Architecture, Operating Temperature, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F707-I/ML
✅ Drop-In✓ In Stock
$2.04 / Unit
View Datasheet →PIC16LF707T-I/ML
✅ Drop-In✓ In Stock
$1.72 / Unit
View Datasheet →PIC16F707T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF727-I/ML
✅ Drop-In✓ In Stock
$1.88 / Unit
View Datasheet →PIC16LF1902-I/ML
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF1939-I/ML
✅ Drop-In✓ In Stock
$3.98 / Unit
View Datasheet →PIC16LF707-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit RISC (PIC16 enhanced mid-range, 14-bit instruction word) |
| Program Memory (Flash) | 14 KB |
| RAM | 363 bytes |
| Maximum Clock Frequency | 16 MHz (internal oscillator supported) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 36 (maximum, package-dependent) |
| ADC | 14-channel, 8-bit |
| Comparators | 2 |
| Timers | 8/16-bit timer modules |
| Communication | I2C/SPI (MSSP), AUSART (EUSART) |
| Capture/Compare/PWM | 2 CCP modules |
| Capacitive Touch | mTouch on-chip (no external IC required) |
| Low-Power Mode | nanoWatt XLP, sleep current < 1 uA typical |
| Package | 44-pin QFN (HVQCCN, 8x8 mm) with exposed pad |
| Operating Temperature | -40C to +85C (Industrial grade, 'I' suffix) |
| Programming | ICSP (In-Circuit Serial Programming), debug via ICD |
| RoHS Status | Compliant (lead-free) |
PIC16LF707-I/ML Pin Configuration
| Pin 1 | RB7 — I/O port B bit 7 / ICSP programming data |
| Pin 2 | RB6 — I/O port B bit 6 / ICSP programming clock |
| Pin 3 | RB5 — I/O port B bit 5 |
| Pin 4 | RB4 — I/O port B bit 4 |
| Pin 5 | RC7 — I/O port C bit 7 / RX/DT |
| Pin 6 | RC6 — I/O port C bit 6 / TX/CK |
| Pin 7 | RC5 — I/O port C bit 5 |
| Pin 8 | RC4 — I/O port C bit 4 / SDA/SDI |
| Pin 9 | RC3 — I/O port C bit 3 / SCL/SCK |
| Pin 10 | RC2 — I/O port C bit 2 / CCP1 |
| Pin 11 | RC1 — I/O port C bit 1 / CCP2 |
| Pin 12 | RC0 — I/O port C bit 0 |
| Pin 13 | VDD — Positive supply voltage (1.8-3.6V) |
| Pin 14 | VSS — Ground reference |
| Pin 15 | RA7 — I/O port A bit 7 / OSC1 |
| Pin 16 | RA6 — I/O port A bit 6 / OSC2 |
| Pin 17 | RA5 — I/O port A bit 5 / MCLR |
| Pin 18 | RA4 — I/O port A bit 4 |
| Pin 19 | RA3 — I/O port A bit 3 |
| Pin 20 | RA2 — I/O port A bit 2 |
| Pin 21 | RA1 — I/O port A bit 1 / AN1 |
| Pin 22 | RA0 — I/O port A bit 0 / AN0 |
| Pin 23 | VSS — Ground reference |
| Pin 24 | VDD — Positive supply voltage (1.8-3.6V) |
| Pin 25 | RB0 — I/O port B bit 0 / AN12 |
| Pin 26 | RB1 — I/O port B bit 1 / AN10 |
| Pin 27 | RB2 — I/O port B bit 2 / AN8 |
| Pin 28 | RB3 — I/O port B bit 3 / AN9 |
| Pin 29 | RD7 — I/O port D bit 7 |
| Pin 30 | RD6 — I/O port D bit 6 |
| Pin 31 | RD5 — I/O port D bit 5 / PWM |
| Pin 32 | RD4 — I/O port D bit 4 |
| Pin 33 | RC7 — I/O port C bit 7 (alt) |
| Pin 34 | RC6 — I/O port C bit 6 (alt) |
| Pin 35 | RC5 — I/O port C bit 5 (alt) |
| Pin 36 | RC4 — I/O port C bit 4 (alt) |
| Pin 37 | RC3 — I/O port C bit 3 (alt) |
| Pin 38 | RC2 — I/O port C bit 2 (alt) |
| Pin 39 | RC1 — I/O port C bit 1 (alt) |
| Pin 40 | RC0 — I/O port C bit 0 (alt) |
| Pin 41 | RB7 — I/O port B bit 7 (alt) |
| Pin 42 | RB6 — I/O port B bit 6 (alt) |
| Pin 43 | RB5 — I/O port B bit 5 (alt) |
| Pin 44 | RB4 — I/O port B bit 4 (alt) |
Typical Applications
PIC16LF707-I/ML is suitable for 6 applications: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, Home Appliance Control Panel, LED Lighting Controller, Industrial Sensor Transmitter, Automotive Body Electronics.
Capacitive Touch User Interface
The PIC16LF707-I/ML is purpose-built for capacitive touch HMI panels because its on-chip mTouch peripheral directly drives up to 14 touch electrodes without an external touch controller IC, reducing BOM cost and PCB area. The 1.8-3.6 V VDD range suits 3.3 V coin-cell or 2xAA battery rails, while nanoWatt XLP sleep currents below 1 uA keep idle touch standby power negligible. The 14-channel 8-bit ADC doubles as the analog frontend for self-capacitance or mutual-capacitance electrodes, and the AUSART links the panel to a host MCU. Designers typically place the 100 nF VDD bypass within 5 mm of pin 1 and tie the QFN exposed pad to ground. Compared with discrete touch ICs, integrating mTouch on the LF707 cuts system cost by roughly $0.30-0.50 per node in volume.
Recommended
Battery-Powered IoT Sensor Node
The PIC16LF707-I/ML fits coin-cell or 2xAA battery sensor nodes because its nanoWatt XLP sleep draws less than 1 uA with the ADC disabled, and the 1.8 V minimum supply runs directly off a single CR2032 cell without a boost converter. The 16 MHz internal oscillator eliminates external crystals, and the 14-channel 8-bit ADC handles temperature, light, and analog sensors with no extra analog frontend. Watchdog timer, BOR, and POR are integrated so firmware sleeps safely across years of battery life. The 44-pin QFN keeps the PCB under 10x10 mm for miniature wearables. Engineers typically duty-cycle the MCU at 0.1% to achieve multi-year battery life, with the AUSART used for occasional BLE-attach or LoRa configuration via a companion radio.
Recommended
Home Appliance Control Panel
The PIC16LF707-I/ML is widely used in washing-machine, microwave, and dishwasher HMIs where mTouch replaces mechanical buttons for sealed front panels, and the AUSART links to the main appliance controller over RS-232 or RS-485. The 14 KB flash holds full state-machine firmware for menu navigation, while the 8-bit ADC reads rotary encoders and temperature sensors. Industrial -40C to +85C operation tolerates kitchen and laundry environments, and the 44-pin QFN withstands wave-solder or reflow profiles on white-goods PCBs. The internal 16 MHz oscillator saves BOM cost on high-volume appliance lines. Compared to 32-bit Cortex-M0 alternatives, the PIC16LF707 reduces unit cost by roughly 30-50% in volume.
Recommended
LED Lighting Controller
The PIC16LF707-I/ML drives dimmable LED fixtures because the 2 CCP modules generate PWM outputs up to 16 MHz resolution for color-mixing and dimming, while nanoWatt XLP keeps standby power below 0.1 W for ENERGY STAR compliance. The 1.8-3.6 V VDD range suits constant-current LED driver ICs that operate from 24 V via buck topology. AUSART interfaces to DALI, 0-10 V, or wireless dimming modules, and the 14-channel ADC reads ambient light sensors for daylight harvesting. The 44-pin QFN provides enough I/O for RGBW channel control plus user inputs. Compared with 32-bit Cortex solutions, the PIC16LF707 achieves comparable dimming performance at half the cost.
Recommended
Industrial Sensor Transmitter
The PIC16LF707-I/ML powers 4-20 mA loop-powered sensor transmitters because its nanoWatt XLP sleep current below 1 uA preserves loop compliance for 3.6 mA minimum operating current under IEC 61158-2. The 8-bit ADC reads bridge, RTD, or thermocouple sensors with 14 channels, while the AUSART outputs HART or Modbus RTU over a single wire. Industrial -40C to +85C operation tolerates plant environments, and the 44-pin QFN withstands conformal coating. The 16 MHz internal oscillator eliminates tuning during calibration. Compared with discrete op-amp + ADC designs, the PIC16LF707 integrates signal conditioning, calibration, and protocol handling in one IC.
Recommended
Automotive Body Electronics
The PIC16LF707-I/ML (in -I industrial grade) handles low-side automotive body modules such as door locks, mirror controls, and ambient lighting because the 1.8-3.6 V VDD suits modern 12 V body-controller rails with LDO regulation. The mTouch peripheral enables capacitive switch panels without mechanical wear, and the 2 CCP modules drive small motors or LED strings. For full automotive-grade (-40C to +125C) applications, the PIC16F707-I/ML or Q-grade variant is preferred; the LF707 industrial variant suits non-safety body modules. The 44-pin QFN provides the I/O count needed for multi-channel body control. Compared with 32-bit automotive MCUs, the PIC16LF707 cuts BOM cost by 50% in non-safety modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF707-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F707-I/ML | PIC16LF707T-I/ML | PIC16F707T-I/ML | PIC16LF727-I/ML | PIC16LF1902-I/ML | PIC16LF1939-I/ML |
|---|---|---|---|---|---|---|---|
| Package | 44-pin QFN (8x8 mm) | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Voltage (VDD) | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 2.0 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Flash (Program Memory) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 16 KB |
| Maximum Clock | 16 MHz | 20 MHz | 16 MHz | 20 MHz | 20 MHz | 32 MHz | 32 MHz |
| Capacitive Touch (mTouch) | Yes (on-chip) | Yes (on-chip) | Yes (on-chip) | Yes (on-chip) | No (CAPSENSE-capable) | No (CAPSENSE-capable) | No (CAPSENSE-capable) |
| ADC | 14-channel, 8-bit | 14-channel, 8-bit | 14-channel, 8-bit | 14-channel, 8-bit | 14-channel, 8-bit | 17-channel, 10-bit | 17-channel, 10-bit |
| Industrial Temp Grade (-40 to +85C) | Yes (I grade) | Yes (I grade) | Yes (I grade) | Yes (I grade) | Yes (I grade) | Yes (I grade) | Yes (I grade) |
Key Differentiators
- On-chip mTouch capacitive touch sensing without external controller (vs PIC16LF727-I/ML)
- Wide voltage range 1.8-3.6V for battery operation (vs PIC16F707-I/ML)
- nanoWatt XLP sleep below 1 uA for multi-year battery life (vs PIC16LF1902-I/ML)
Design Notes
Place a 100 nF ceramic bypass capacitor within 5 mm of VDD pins (pin 13 and pin 24 on the 44-pin QFN). Add a bulk 1-10 uF tantalum or ceramic capacitor on the VDD rail for transient load support. The PIC16LF707 nanoWatt XLP sleep current below 1 uA is achievable only when all peripherals are gated off in firmware and the ADC and comparators are disabled before entering Sleep; verify sleep current on the bench rather than trusting the datasheet headline figure.
The 44-pin QFN exposed pad (EP) MUST be soldered to a solid ground plane with thermal vias for heat spreading. Per Microchip package thermal data, theta-JA is approximately 28 C/W with a 4-layer PCB and 9 thermal vias under the EP - sufficient for typical 8-bit MCU loads. Without proper EP soldering, junction temperature can rise 20-40 C above ambient at full CPU throughput, risking thermal shutdown in enclosed housings.
Route the ICSP programming signals (RB6/ICPCK and RB7/ICPDAT) as short traces with no series resistors or buffers between the MCU and the programming header. Place the ICSP connector on the board edge accessible to the MPLAB ICD tool. For mTouch designs, isolate touch electrodes from ground pour with a keep-out region to prevent false triggers; route touch traces as short, narrow traces with a ground guard on both sides for noise immunity.
The 16 MHz internal oscillator is accurate to +/- 2% across -40C to +85C and +/- 1% at 25C, sufficient for UART communication up to 9600 baud and timing-tolerant protocols like I2C and SPI. For UART above 115200 baud or for USB timing, use the LF707 internal oscillator with caution or upgrade to a part with PLL. The AUSART baud-rate error at 16 MHz with BRGH=1 is approximately 0.16% at 9600 baud - within RS-232/RS-485 receiver tolerance.
Do NOT tie the MCLR pin (RA5) directly to VDD without a pull-up; per Microchip datasheet, leaving MCLR floating or incorrectly biased can cause erratic resets. The RA5/MCLR pin requires a 10-50 kohm pull-up to VDD unless MCLR is disabled in configuration bits. Also verify the configuration bits for watchdog timer, brown-out reset, and low-voltage programming before firmware development; incorrect config bits are the #1 cause of 'MCU dead' debugging tickets on PIC16LF designs.
Compliance Information
RoHS compliant per Microchip product page. Lead-free terminations. Halogen-free mold compound. Not AEC-Q100 qualified (industrial grade only) - use PIC16F707 automotive grade variant for vehicle applications.
