PIC16LF723A-I/MV - 8-bit MCU, 7KB Flash, 20MHz, nanoWatt XLP | Microchip
MPN: PIC16LF723A-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.1 | $2.10 |
| 10 | $1.9 | $19.00 |
| 100 | $1.65 | $165.00 |
| 500 | $1.42 | $710.00 |
| 1,000 | $1.2 | $1,200.00 |
PIC16LF723A-I/MV Overview
An 8-bit microcontroller (MCU) is a programmable computing engine that integrates a CPU, non-volatile program memory (Flash), volatile data memory (SRAM), and peripherals onto a single CMOS die. Within the broader semiconductor hierarchy, an 8-bit MCU sits below 32-bit microcontrollers and above simple fixed-function logic ICs; within Microchip's taxonomy it falls under PIC16 mid-range architectures, which target low-power, deterministic, interrupt-driven embedded designs rather than high-throughput DSP workloads. The PIC16F core uses a Harvard architecture with a separate instruction and data bus, allowing simultaneous fetch and access.
Key features include 7 KB Flash (4K x 14 words), 192 bytes SRAM, hardware 8/16-bit timer resources, 10-bit ADC, USART, SPI, I2C, and an internal oscillator that calibrates to within +/- 2% across the full -40 C to +85 C industrial range. The I in the suffix -I/MV indicates the industrial temperature grade, while MV is Microchip's package designator for the 28-pin UQFN 4x4 mm with exposed thermal pad. Power is supplied from a single 1.8 V to 3.6 V rail, enabling direct battery operation.
Typical applications include low-power sensor nodes, consumer remote controls, home appliances with capacitive touch UIs, battery-powered instrumentation, and IoT end-nodes where ultra-low standby current is critical. The 28 UQFN package is also footprint-compatible with PIC16F723A, allowing board reuse across higher-voltage industrial and lower-voltage battery designs. Engineers select this part when board area is constrained and when system sleep current must remain below 100 nA to extend coin-cell life across years of operation.
When designing in this device, ensure the UQFN exposed pad is soldered to a continuous ground plane to achieve the rated thermal performance, and keep analog supply traces short to avoid ADC noise coupling. Programming is performed via In-Circuit Serial Programming (ICSP) using the MPLAB ICD 5 or PICkit 5 tool chains - no external programmer socket is required.
This page synthesizes distributor pricing, drop-in alternatives across the PIC16F723A and PIC16LF722A families, and practical design notes that go beyond the manufacturer datasheet alone, including PCB layout, ICSP routing, and ultra-low-power sleep mode configuration guidance.
Drop-in alternatives for PIC16LF723A-I/MV — 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 PIC16LF723A-I/MV (same form factor and footprint) — differing in Package, Core Architecture, ADC, I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesPIC16LF723A-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 (8-bit RISC, Harvard) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (SRAM) | 192 bytes |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Number of I/O Pins | 25 |
| Oscillator | Internal (factory calibrated) |
| Package | 28-pin UQFN, 4x4 mm, exposed pad (MV) |
| Operating Temperature | -40 C to +85 C (industrial) |
| Low-Power Technology | nanoWatt XLP |
| Communication Peripherals | USART, SPI, I2C |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF723A-I/MV Pin Configuration
| Pin 1 | RA0/AN0/ULPWU — PORTA bit 0 / Analog input 0 / Ultra-low-power wake-up |
| Pin 2 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pin 3 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Pin 4 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC Vref+ |
| Pin 5 | RA4/AN4/T0CKI — PORTA bit 4 / Analog input 4 / Timer0 clock |
| Pin 6 | RA5/AN5/SS — PORTA bit 5 / Analog input 5 / SPI slave select |
| Pin 7 | RA6/OSC2/CLKOUT — PORTA bit 6 / Oscillator output / Clock out |
| Pin 8 | RA7/OSC1/CLKIN — PORTA bit 7 / Oscillator input / Clock in |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 11 | RB0/INT — PORTB bit 0 / External interrupt |
| Pin 12 | RB1 — PORTB bit 1 |
| Pin 13 | RB2 — PORTB bit 2 |
| Pin 14 | RB3/PGM — PORTB bit 3 / LVP programming |
| Pin 15 | RB4 — PORTB bit 4 |
| Pin 16 | RB5 — PORTB bit 5 |
| Pin 17 | RB6/ICSPCLK — PORTB bit 6 / ICSP clock |
| Pin 18 | RB7/ICSPDAT — PORTB bit 7 / ICSP data |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 21 | RC0 — PORTC bit 0 |
| Pin 22 | RC1 — PORTC bit 1 |
| Pin 23 | RC2 — PORTC bit 2 |
| Pin 24 | RC3 — PORTC bit 3 |
| Pin 25 | RC4 — PORTC bit 4 |
| Pin 26 | RC5 — PORTC bit 5 |
| Pin 27 | RC6 — PORTC bit 6 |
| Pin 28 | RC7 — PORTC bit 7 |
| Pin 29 | EP — Exposed thermal pad (must be soldered to ground) |
Typical Applications
PIC16LF723A-I/MV is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Consumer Remote Controls, Home Appliance Capacitive Touch UIs, Low-Power Wireless Sensor Hubs, Medical Monitoring Wearables, Industrial Sensor Signal Conditioning, Educational and Hobby MCU Projects.
Battery-Powered IoT Sensor Nodes
The PIC16LF723A-I/MV's nanoWatt XLP technology with sub-100 nA sleep current and 1.8-3.6 V supply range make it ideal for battery-powered IoT sensor nodes that must operate for years on a single CR2032 coin cell. Its 7 KB Flash accommodates Over-The-Air update bootloaders plus application code, while the 25 digital I/O pins drive multiple I2C/SPI sensors. The 4x4 mm UQFN footprint fits inside a coin-cell holder, eliminating bulky discrete components. With 200 ns interrupt response, the MCU handles wake-on-event patterns efficiently. Recommended companion parts: MCP1700 LDO, MCP9808 temperature sensor.
Recommended
Consumer Remote Controls
The PIC16LF723A-I/MV suits IR/RF remote control designs thanks to its ultra-low sleep current, integrated timers capable of generating 38 kHz carrier waveforms, and 7 KB Flash that holds complete RC5/RC6 or NEC protocol stacks. The 28-pin UQFN package fits inside a slim 9 mm AAA battery housing, while the 1.8-3.6 V range supports two-cell operation directly. The 25 I/O can drive LED indicators, button matrices, and buzzer outputs simultaneously. Recommended companion parts: TSOP38238 IR receiver, AT24C02 EEPROM.
Recommended
Home Appliance Capacitive Touch UIs
For white-goods and kitchen appliance touch interfaces, the PIC16LF723A-I/MV delivers enough Flash for capacitive touch scanning firmware plus UI state machines, while its 25 I/O drive 12+ touch electrodes with mTouch firmware. The 1.8-3.6 V supply simplifies 3.3 V-only designs and reduces LDOs. Its XLP sleep current enables always-on appliance readiness without draining standby power budgets. The 4x4 mm UQFN footprint is small enough to integrate into a glass-front panel MCU daughter-board. Recommended companion parts: PIC16LF722A-I/MV (lower-cost sibling).
Recommended
Low-Power Wireless Sensor Hubs
The PIC16LF723A-I/MV acts as a sleeping host MCU for sub-GHz or BLE sensor nodes where the radio only wakes when interesting events occur. With 7 KB Flash it can hold application logic plus simple mesh protocol stacks while keeping RAM available for packet buffers. Its industrial -40 C to +85 C range suits outdoor and HVAC environments, and the UQFN package's exposed pad provides ground reference for noise-sensitive analog sensor reads. Companion parts: MRF89XA sub-GHz transceiver, SHT31 humidity sensor.
Recommended
Medical Monitoring Wearables
The PIC16LF723A-I/MV's low sleep current and small 4x4 mm UQFN footprint make it suitable for wearable medical monitoring devices such as pulse oximeters and continuous glucose monitors where board area is at a premium. The 25 I/O pins support multi-LED PPG front-ends and AFE interfaces, while 7 KB Flash fits simplified BLE advertisement stacks for pairing. Per IEC 60601-1, the MCU's deterministic interrupt response supports safety-critical sample timing. Companion parts: MAX30102 PPG sensor, MCP1700 LDO.
Recommended
Industrial Sensor Signal Conditioning
In industrial loop-powered 4-20 mA sensor transmitters, the PIC16LF723A-I/MV handles ADC sampling, linearization, and HART or proprietary protocol framing from a single 3.3 V rail. Its -40 C to +85 C industrial grade supports outdoor enclosures and factory floors, while the 25 digital I/O drives direction-control relays and alarm LEDs. The MCU's deterministic 200 ns instruction cycle guarantees precise ADC-to-output latency. Companion parts: MCP6N16 instrumentation amplifier, MCP1700 LDO.
Recommended
Educational and Hobby MCU Projects
The PIC16LF723A-I/MV is widely used in university microcontroller courses and maker projects because its 7 KB Flash accommodates student projects with room to spare, and its simple PIC16 architecture avoids the complexity barrier of 32-bit parts. The 28-pin UQFN package breaks out enough I/O for breadboard-friendly daughter boards, and the small footprint teaches SMD soldering. The free MPLAB X IDE and XC8 compiler support this part end-to-end, with PICkit 5 / ICD 5 in-circuit debuggers providing classroom-friendly development. Companion parts: PICkit 5 programmer.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF723A-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F723A-I/MV | PIC16LF722A-I/MV | PIC16LF720-I/MV |
|---|---|---|---|---|
| Package | 28-UQFN (MV, 4x4 mm) | 28-UQFN (MV, 4x4 mm) - same | 28-UQFN (MV, 4x4 mm) - same | 28-UQFN (MV, 4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 3.5 KB | 3.5 KB |
| Data Memory (SRAM) | 192 bytes | 192 bytes | 128 bytes | 128 bytes |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| I/O Pins | 25 | 25 | 25 | 25 |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt |
Key Differentiators
- Wide low-voltage supply range with industrial temperature grade (vs PIC16LF722A-I/MV)
- nanoWatt XLP ultra-low sleep current (vs PIC16LF720-I/MV)
- Drop-in compatibility with PIC16F723A for design flexibility (vs PIC16F723A-I/MV)
Design Notes
The 28-pin UQFN (MV) exposed thermal pad MUST be soldered to a continuous ground pour on the PCB. Open or partially-soldered EPADs cause ground reference shifts that couple digital switching noise into the ADC readings. Use an array of thermal vias under the pad (typically 5-9 vias on a 0.5 mm grid) to provide both electrical ground and thermal dissipation. This is the single most common reliability issue with UQFN PIC parts.
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 10 and 20) and a 10 uF bulk capacitor on the supply rail. The LF family draws only microamps in sleep, but the inrush during wake-up can briefly exceed 10 mA; the bulk cap prevents supply droops that reset peripherals. For battery applications, ensure the LDO quiescent current is below the MCU sleep current (sub-100 nA achievable with MCP1700).
Keep ICSP clock (RB6) and ICSP data (RB7) traces short and isolated from sensitive analog lines - these pins carry programming signals at MHz rates during flash. RB7 doubles as the in-system programming data line, so do not place series resistors or capacitors on it. If the design uses RB6/RB7 as general I/O, ensure the ICSP connector can still access these pins even when the application is running (ICSP works in-circuit).
Do not exceed 3.6 V on VDD; the LF variant has no internal 5V tolerance. If the design uses 5V sensors, add a level translator or pick the PIC16F723A variant (1.8-5.5V). Also, the internal oscillator is factory-calibrated but drifts +/- 2% across the full industrial temperature range; for UART baud-rate-sensitive applications, validate crystal vs internal OSC requirements at temperature corners. Confirmed chip variants must be ordered with explicit thermal and voltage suffixes to avoid supply surprises.
Compliance Information
RoHS compliant per Microchip product page. Industrial -40 C to +85 C temperature range. Not AEC-Q100 qualified - this is a general-purpose industrial MCU. Lead-free / matte-tin plating confirmed.
