PIC16LF723T-I/ML - 8-bit MCU, 7KB Flash, 16MHz, QFN-28 | Microchip
MPN: PIC16LF723T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.73 | $1.73 |
| 10 | $1.56 | $15.60 |
| 100 | $1.38 | $138.00 |
| 500 | $1.21 | $605.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16LF723T-I/ML Overview
An 8-bit microcontroller (MCU) is a small, self-contained computing device that integrates a CPU, Flash program memory, SRAM data memory, peripherals, and I/O on a single die. PIC microcontrollers belong to the modified Harvard architecture family with a RISC instruction set, sitting within the broader taxonomy: microcontroller -> embedded processor -> semiconductor device. They are commonly used in low-power sensing, motor control, lighting, and consumer appliance products where deterministic performance, simple toolchains, and long battery life are required.
Key features include 7 KB Flash, 256 bytes RAM, 256 bytes EEPROM, a 10-bit ADC with up to 11 channels, multiple timer modules, MSSP (SPI/I2C), enhanced USART, and 25 digital I/O pins. The QFN-28 (6 x 6 mm) package includes an exposed thermal pad that improves heat dissipation and reduces PCB footprint, suiting space-constrained designs.
The PIC16LF723 core delivers 8-bit native arithmetic at up to 5 MIPS, with nanoWatt XLP providing sleep currents down to the nanoampere range and multiple low-power operating modes. The integrated 16 MHz internal oscillator eliminates the need for external clock crystals in many designs. On-chip peripherals are organized around a flexible peripheral pin-select architecture that simplifies PCB routing.
Typical applications include battery-powered sensor nodes, handheld instruments, consumer electronics, low-power wireless baseband control, LED lighting controllers, and small home appliances. The PIC16LF723T-I/ML is well suited for industrial-temperature environments, operating from -40C to +85C in the I (Industrial) grade.
When designing, leverage the exposed pad for ground connection and thermal relief, and provide adequate decoupling (0.1 uF near each supply pin plus a bulk capacitor). Use MPLAB X IDE with XC8 compiler for firmware development, and consider migrating to PIC16F193X or PIC16LF190X families if larger memory or richer peripherals are required.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a single reference for selection, sourcing, and engineering teams.
Drop-in alternatives for PIC16LF723T-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 PIC16LF723T-I/ML (same form factor and footprint) — differing in Package, Timers, ADC, Operating Temperature, Internal Oscillator.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF723A-I/ML
✅ Drop-In✓ In Stock
$1.21 / Unit
View Datasheet →PIC16F723-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF722A-I/ML
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16LF722-I/ML
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16LF1903-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF723T-I/ML Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 7 KB |
| RAM | 256 bytes |
| EEPROM | 256 bytes |
| Maximum Clock Speed | 20 MHz |
| Internal Oscillator | 16 MHz |
| Supply Voltage | 1.8 V to 3.6 V |
| I/O Pins | 25 |
| ADC | 10-bit, up to 11 channels |
| Timers | Multiple (Timer0/1/2) |
| Communication | MSSP (SPI/I2C), Enhanced USART |
| Package | QFN-28 (6 x 6 mm, exposed pad) |
| Operating Temperature | -40C to +85C (Industrial) |
| Low-Power Technology | nanoWatt XLP |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16LF723T-I/ML Pin Configuration
| Pin 1 | RA5/AN4/CPS7/OSC1/CLKIN — PORTA bit 5 / Analog input 4 / Capacitive touch / Oscillator input |
| Pin 2 | RA4/AN3/CPS6/T0CKI/CLKOUT — PORTA bit 4 / Analog input 3 / Timer0 clock / Clock output |
| Pin 3 | RA3/AN2/CPS5/VREF+/SS — PORTA bit 3 / Analog input 2 / VREF+ / SPI slave select |
| Pin 4 | RA2/AN1/CPS4/VREF-/CVREF — PORTA bit 2 / Analog input 1 / VREF- / Comparator reference |
| Pin 5 | RA1/AN0/CPS3/ICSPCLK — PORTA bit 1 / Analog input 0 / ICSP clock |
| Pin 6 | RA0/AN0/CPS2/ICSPDAT — PORTA bit 0 / Analog input 0 / ICSP data |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC2/CLKOUT — PORTA bit 7 / Oscillator output / Clock output |
| Pin 9 | RA6/OSC1/CLKIN — PORTA bit 6 / Oscillator input / Clock input |
| Pin 10 | RC0/SOSCO/T1CKI — PORTC bit 0 / Secondary oscillator / Timer1 clock |
| Pin 11 | RC1/SOSCI/CCP2 — PORTC bit 1 / Secondary oscillator in / CCP2 |
| Pin 12 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM/capture |
| Pin 13 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Pin 17 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply voltage |
| Pin 20 | RB0/INT/AN12/CCP1 — PORTB bit 0 / External interrupt / Analog 12 / CCP1 |
| Pin 21 | RB1/AN10/CPS0 — PORTB bit 1 / Analog input 10 |
| Pin 22 | RB2/AN8/CPS1 — PORTB bit 2 / Analog input 8 |
| Pin 23 | RB3/AN9/CCP2 — PORTB bit 3 / Analog input 9 / CCP2 |
| Pin 24 | RB4/AN11/CPS8 — PORTB bit 4 / Analog input 11 |
| Pin 25 | RB5/AN13 — PORTB bit 5 / Analog input 13 |
| Pin 26 | RB6/ICSPCLK — PORTB bit 6 / ICSP clock |
| Pin 27 | RB7/ICSPDAT — PORTB bit 7 / ICSP data |
| Pin 28 | MCLR/VPP — Master clear reset / Programming voltage |
Typical Applications
PIC16LF723T-I/ML is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Handheld Measurement Instruments, Consumer Appliance Control, LED Lighting Controllers, Remote Control and HMI Panels, Industrial Sensor Transmitters.
Battery-Powered IoT Sensor Nodes
The PIC16LF723T-I/ML fits battery-powered IoT sensor nodes because its nanoWatt XLP technology delivers sleep currents in the nanoampere range, extending coin-cell or 2xAA battery life to multi-year timescales. The 1.8-3.6 V supply range accepts direct Li-ion or alkaline battery voltage without boost regulators. The 7 KB Flash accommodates sensor processing algorithms, state machines, and small RF baseband or BLE controller code, while the 10-bit ADC handles analog sensor interfacing. The 25 I/O pins provide flexibility for multiple sensors, status LEDs, and user interface buttons in a compact 6x6 mm QFN footprint.
Recommended
Handheld Measurement Instruments
The PIC16LF723T-I/ML suits handheld measurement instruments where compact size, low power, and reliable peripheral integration matter. Its 10-bit ADC with up to 11 channels supports multi-sensor measurement (temperature, voltage, current), while the Enhanced USART enables Bluetooth or USB-to-UART bridge functionality for tethered data logging. The 20 MHz clock speed delivers 5 MIPS, sufficient for real-time measurement calculations and LCD driving. The QFN-28 (6x6 mm) package fits small form-factor enclosures, and the industrial -40C to +85C temperature range supports field-deployed instruments.
Recommended
Consumer Appliance Control
The PIC16LF723T-I/ML is well-suited for consumer appliance control boards including coffee makers, washing machine sub-modules, microwave oven user interfaces, and small kitchen appliances. Its 1.8-3.6 V operation pairs with 3.3 V system rails, while MSSP (SPI/I2C) interfaces connect to display drivers, EEPROM, and sensor ICs. The Enhanced USART enables diagnostic port communication for factory test and field service. nanoWatt XLP technology allows standby power consumption below regulatory limits for energy-star appliances, and the industrial temperature grade supports the thermal environment of appliance interiors.
Recommended
LED Lighting Controllers
The PIC16LF723T-I/ML drives LED lighting controllers with PWM-controlled dimming and color mixing. The multiple Timer modules provide hardware PWM channels for RGB or RGBW LED driving without CPU overhead, and the 20 MHz clock supports smooth dimming transitions up to 16-bit PWM resolution. The 1.8-3.6 V supply matches LED driver IC rails, while the Enhanced USART enables DMX, DALI, or wireless lighting control protocol implementation. Low sleep current is ideal for always-on lighting controllers where standby power is regulated.
Recommended
Remote Control and HMI Panels
The PIC16LF723T-I/ML fits remote control units and small HMI panels with its 25 I/O pins supporting key matrices, rotary encoders, LCD segment displays, and IR or RF transceiver interfaces. The 7 KB Flash holds user-interface state machines, key debouncing algorithms, and protocol stacks for IR remote (RC5/RC6/Sony) or simple RF protocols. The 1.8-3.6 V range suits battery-powered remotes using 2xAAA cells, and nanoWatt XLP technology extends battery life when the remote is idle. The exposed thermal pad simplifies grounding in plastic enclosures.
Recommended
Industrial Sensor Transmitters
The PIC16LF723T-I/ML works in industrial 4-20 mA loop-powered sensor transmitters and small PLC I/O modules. Its 10-bit ADC provides adequate resolution for process variable measurement (pressure, temperature, flow), and the industrial -40C to +85C temperature grade handles factory floor environments. The 1.8-3.6 V supply is compatible with loop-powered designs using shunt regulators. MSSP peripherals interface to digital sensor ICs and HART modem chips for industrial communication protocols, and the small QFN-28 footprint fits in standard sensor head enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF723T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF723A-I/ML | PIC16F723-I/ML | PIC16LF722A-I/ML | PIC16LF722-I/ML | PIC16LF1903-I/ML |
|---|---|---|---|---|---|---|
| Package | QFN-28 (6x6 mm) | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 7 KB | 7 KB | 3.5 KB | 3.5 KB | 7 KB |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.0 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 |
| Max Clock Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 16 MHz |
| Low-Power XLP | Yes (nanoWatt XLP) | Yes (nanoWatt XLP) | No | Yes (nanoWatt XLP) | Yes (nanoWatt XLP) | Yes (nanoWatt XLP) |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 17 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- NanoWatt XLP extreme low-power technology (vs PIC16F723-I/ML)
- Doubled Flash memory in same footprint (vs PIC16LF722-I/ML)
- Wider voltage range and 5V tolerance (vs PIC16LF723A-I/ML)
Design Notes
The QFN-28 package has an exposed thermal pad on the underside (pin 29 reference designation, not electrically numbered) that MUST be soldered to the PCB ground plane for both thermal dissipation and electrical grounding. Use an array of thermal vias (typically 5-9 vias of 0.3 mm drill) connecting the pad to inner and bottom ground layers to maximize heat transfer. Failing to properly solder the exposed pad can increase junction-to-ambient thermal resistance by 50% or more, potentially causing thermal issues at high ambient temperatures.
Place a 0.1 uF decoupling capacitor as close as possible to the VDD pin (pin 19) with the ground return connected directly to the nearest VSS pin (pin 18) using short, wide traces. Add a bulk capacitor (1-10 uF) on the main supply rail near the MCU. nanoWatt XLP technology achieves its lowest sleep currents only when supply noise is minimized - inadequate decoupling can increase sleep current by orders of magnitude.
When migrating between PIC16LF723 and PIC16F723, verify your minimum supply voltage - LF operates from 1.8 V while F requires 2.0 V minimum. Designs using 2xAA batteries near end-of-life (dropping below 2.0 V) may brown out on F but continue on LF. Also check peripheral register differences: the LF variant has nanoWatt XLP-specific registers (HLVD, low-power timer) that are absent on F, requiring conditional compilation if porting code between variants.
Compliance Information
RoHS and REACH compliant per Microchip product page and distributor listings. Halogen-free per Microchip material declaration. Not AEC-Q100 qualified - for automotive applications consider PIC16F723-E automotive grade variants. Lead-free matte-tin plating.
