PIC16LF723AT-I/ML - 8-bit PIC MCU, 7KB Flash, 20MHz, 28-QFN | Microchip
MPN: PIC16LF723AT-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.85 | $18.50 |
| 100 | $1.62 | $162.00 |
| 500 | $1.41 | $705.00 |
| 1,000 | $1.22 | $1,220.00 |
PIC16LF723AT-I/ML Overview
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory (Flash), data memory (RAM), and peripheral set on one die. Within the broader semiconductor taxonomy it sits as: microcontroller -> embedded MCU -> RISC microcontroller -> 8-bit MCU -> semiconductor. The PIC16 core implements a Harvard-architecture RISC instruction set, which is widely adopted in cost-sensitive and low-power applications because each instruction typically completes in one oscillator cycle, enabling deterministic timing with modest clock rates.
Key features of the PIC16LF723AT-I/ML include 7KB (4K x 14 words) Flash, 192 bytes RAM, an integrated 8-channel 8-bit ADC, and ultra-low-power nanoWatt XLP technology that supports sleep currents in the microampere range. It also exposes MSSP (SPI/I2C), USART, and capture/compare/PWM peripherals, plus an internal 16MHz oscillator that eliminates the need for an external crystal on most designs.
Architecturally, the PIC16LF723A family uses a 14-bit instruction word with a 36-instruction set, allowing dense code storage in the 4K-word Flash array. The LF (low-voltage, low-power) silicon process supports 1.8V minimum operation, making the part compatible with single-cell Li-ion or two-AA battery chemistries where the 'F' (mid-voltage) variants would otherwise be unusable below 2.0V.
Typical applications include consumer remote controls, battery-powered IoT sensor nodes, low-cost home appliances, white-goods user interfaces, and LED lighting controllers. The 28-QFN package suits space-constrained PCB layouts while exposing 25 GPIO pins for sensors, keypads, or display drivers.
When designing with this device, budget the ADC's 8-bit resolution carefully against sensor accuracy requirements; for thermistor or potentiometer front-ends this is typically sufficient, but strain-gauge or precision instrumentation will benefit from a 12-bit PIC16F1xx upgrade. The exposed thermal pad must be soldered to a grounded copper pour for electrical and thermal performance.
This page synthesizes distributor pricing, drop-in alternatives within the PIC16LF72x family, and practical design notes not found on the standard manufacturer product brief.
Drop-in alternatives for PIC16LF723AT-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 PIC16LF723AT-I/ML (same form factor and footprint) — differing in ADC, Operating Temperature, Package, I/O Pins, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF722A-I/ML
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16LF727-I/ML
✅ Drop-In✓ In Stock
$1.88 / Unit
View Datasheet →PIC16LF722-I/ML
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16LF720-I/ML
✅ Drop-In✓ In Stock
$0.68 / Unit
View Datasheet →PIC16LF707-I/ML
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC16LF1939-I/ML
✅ Drop-In✓ In Stock
$3.98 / Unit
View Datasheet →PIC16LF1936-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF723AT-I/ML Maximum Ratings & Electrical Characteristics
| Core | PIC16 (8-bit RISC, Harvard, 14-bit instruction word) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 192 bytes |
| Maximum Clock Frequency | 20 MHz |
| Internal Oscillator | 16 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V (LF variant) |
| I/O Pins | 25 |
| ADC | 8 channels x 8-bit |
| ADC Resolution | 8 bit |
| Data Bus Width | 8 bit |
| Package | 28-pin QFN (6x6 mm) with exposed pad |
| Mounting Style | SMD/SMT |
| Operating Temperature | -40 C to +85 C (Industrial, 'I' suffix) |
| Low-Power Technology | nanoWatt XLP |
| Peripherals | MSSP (SPI/I2C), USART, CCP (PWM), 8x ADC, timers, watchdog |
| RoHS Status | Compliant |
PIC16LF723AT-I/ML 28-pin qfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC16LF723AT-I/ML (28-pin qfn (6x6 mm) with exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC16LF723AT-I/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC16LF723AT-I/ML is suitable for 6 applications: Battery-Powered IoT Sensor Node, Consumer Remote Control (IR/RF), White-Goods User Interface / HMI, Low-Cost Smart Lighting Controller, Industrial Sensor Transmitter, Portable Health and Fitness Device.
Battery-Powered IoT Sensor Node
The PIC16LF723AT-I/ML is well matched to wireless battery sensor nodes because its nanoWatt XLP silicon delivers sub-microampere sleep currents and it operates down to 1.8 V from a single Li-ion cell. The 16 MHz internal oscillator eliminates an external crystal, reducing BOM cost on small sensor PCBs. With 25 GPIO and an 8-channel 8-bit ADC, it can read temperature, humidity, and battery-voltage sensors while idle in sleep for most of the duty cycle, then wake to transmit and return to sleep.
Recommended
Consumer Remote Control (IR/RF)
In handheld remote controls, the PIC16LF723AT-I/ML's 1.8-3.6 V operation directly supports two AAA cells across their discharge curve. Its 192-byte RAM is sufficient for IR or sub-GHz RF protocol stacks (RC5, NEC, or simple proprietary OOK/FSK). The 7 KB Flash holds protocol libraries plus application code, and the 16 MHz internal oscillator provides accurate carrier generation. The 28-QFN package is small enough to fit behind a keypad PCB, preserving the slim industrial design typical of consumer remotes.
Recommended
White-Goods User Interface / HMI
For washing machines, microwaves, and induction cooktops, the PIC16LF723AT-I/ML offers 25 GPIO to drive 7-segment displays, keypads, and LED indicators while reading rotary encoders or touch keys. Its CCP/PWM peripheral can control indicator backlight dimming or buzzer tones, and the MSSP/SPI/I2C peripherals interface to LED drivers or auxiliary display controllers. The -40 C to +85 C industrial temperature range and 1.8-3.6 V operation suit appliance environments with regulated 3.3 V rails.
Recommended
Low-Cost Smart Lighting Controller
The PIC16LF723AT-I/ML drives smart-LED constant-current controllers and PWM dimming for white or RGB lighting strips. Its PWM and timer peripherals generate high-resolution dimming signals, while its 8-bit ADC reads ambient-light sensors for closed-loop brightness control. nanoWatt XLP sleep lets battery-backed emergency luminaires operate for years. The 28-QFN footprint supports compact driver PCB layouts inside the lamp base or fixture junction box.
Recommended
Industrial Sensor Transmitter
In 4-20 mA loop-powered or RS-485 sensor transmitters, the PIC16LF723AT-I/ML provides the local control and ADC conversion needed for thermistor, RTD, or pressure-sensor front-ends. Its USART peripheral directly drives RS-485 transceivers for Modbus RTU or proprietary protocols, and the 1.8-3.6 V supply aligns with 3.3 V regulated industrial rails. The 7 KB Flash holds calibration coefficients and linearization math for accurate sensor reporting over industrial temperature ranges.
Recommended
Portable Health and Fitness Device
The PIC16LF723AT-I/ML fits wearable fitness bands and portable medical peripherals where sub-microampere sleep and a small footprint matter most. Its 25 GPIO drives simple LCD segments, vibration motors, and BLE/wireless companion modules over UART. With 192 bytes RAM and 7 KB Flash, it handles step counting, simple heart-rate timing, or BLE command relay in a tiny 28-QFN package. The 1.8-3.6 V supply matches single-cell Li-ion/polymer batteries common in wearable form factors.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF723AT-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF722A-I/ML | PIC16LF727-I/ML | PIC16LF722-I/ML | PIC16LF720-I/ML | PIC16LF707-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| 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 | 1.8 V to 3.6 V |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
| Core | PIC16 (8-bit, 14-bit instruction) | PIC16 (8-bit, 14-bit instruction) | PIC16 (8-bit, 14-bit instruction) | PIC16 (8-bit, 14-bit instruction) | PIC16 (8-bit, 14-bit instruction) | Enhanced PIC16 |
| Internal Oscillator | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
Key Differentiators
- Lowest-voltage LF silicon in the PIC16F723 family (vs PIC16F723AT-I/ML)
- Larger Flash density than PIC16LF722 (vs PIC16LF722-I/ML)
- More balanced memory/peripheral set than PIC16LF727 (vs PIC16LF727-I/ML)
Design Notes
Estimated: at 3.3 V VDD, 16 MHz active, the PIC16LF723AT-I/ML draws roughly 3-4 mA typical; in XLP sleep with peripherals off, quiescent current drops to sub-microampere levels. For battery-powered designs, use the 'idle' or 'sleep' modes aggressively and gate external sensors via a GPIO-controlled load switch so the MCU is the only wake-up source. Always include a 100 nF decoupling capacitor within 5 mm of VDD and a 10 uF bulk capacitor on the supply rail.
The 28-QFN exposed thermal pad MUST be soldered to a grounded copper island at least as large as the pad to provide the IC's main ground reference and thermal path. Use 0.1 mm (4 mil) via stitching on a 0.5 mm pitch under the EP. Place the decoupling capacitor within 5 mm of the VDD pin and route oscillator traces short and direct, with a guard ground on either side to reduce EMI coupling into the internal oscillator.
Do not use the PIC16LF723AT-I/ML on a 5V supply - it is the LF (low-voltage) variant and absolute maximum VDD is 3.6V. For 5V systems, select the PIC16F723AT-I/ML. Configuration fuses are write-locked on first programming; use the in-circuit debugger to recover an over-locked device. The 8-bit ADC requires a clean VREF; tie unused ADC inputs to a known voltage (VSS or VDD) to avoid floating-input leakage current.
Compliance Information
RoHS and REACH compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified; automotive customers should select an AEC-Q100 qualified PIC16 variant. Halogen-free status not explicitly confirmed in the provided web data.
