PIC16F727-I/MV - 8-Bit 20MHz 14KB Flash MCU 40-UQFN | Microchip
MPN: PIC16F727-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.1 | $3.10 |
| 10 | $2.79 | $27.90 |
| 100 | $2.34 | $234.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.83 | $1,830.00 |
PIC16F727-I/MV Overview
A PIC16F series microcontroller is an 8-bit RISC MCU based on a Harvard architecture, where program and data memories use separate buses. The PIC16F family occupies a specific tier in Microchip's taxonomy: 8-bit PIC -> RISC microcontroller -> microcontroller unit (MCU) -> embedded processor -> semiconductor IC. The 14-bit instruction word and 35-instruction set keep the learning curve shallow while leaving room for peripherals such as 12-bit ADC, PWM, USART, I2C, SPI, and multiple timers.
Key features include nanoWatt XLP power management for sleep currents below 100 nA typical, an internal oscillator (with optional external clock), 256 bytes of EEPROM data memory, an ICD/ICSP debug interface, and a wide operating voltage range that simplifies battery-powered designs. The 40-UQFN package with exposed pad offers a small 5 mm x 5 mm footprint while still providing adequate thermal performance for the 20 MHz operating speed.
Architecturally, the PIC16F727 integrates a high-performance RISC engine with single-cycle instruction execution (200 ns at 20 MHz) except for branches. The device includes a 12-bit ADC with up to 14 channels, Enhanced PWM modules, and Capture/Compare/PWM peripherals, plus three timers (Timer0, Timer1, Timer2). Self-programming Flash, an 8-level hardware stack, and a wide analog/digital peripheral mix make it well suited to mixed-signal embedded designs.
Typical applications span industrial automation and control, low-power sensor nodes, consumer electronics, white goods (HMI and motor drive control), battery-powered IoT edge devices, USB-to-UART bridging interfaces, and capacitive-touch user interfaces. The compact 40-UQFN footprint makes it ideal for space-constrained PCB layouts such as wearables and handheld instruments.
When designing with this part, place decoupling capacitors as close to VDD/VSS pairs as possible, use the exposed pad for thermal relief and ground connection, and verify that the trace to ICDCLK/ICDDAT supports in-circuit debugging. For low-power designs, leverage the nanoWatt sleep modes and the internal LFINTOSC to minimize active current draw.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the PIC16F727-I/MV against PIC16F726 and PIC16F723A siblings as well as cross-brand 8-bit alternatives.
Drop-in alternatives for PIC16F727-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 PIC16F727-I/MV (same form factor and footprint) — differing in Package, ADC, Timers, Internal Oscillator, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F727-I/ML
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16F727-E/ML
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16F726-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F726-E/MV
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16F723A-I/MV
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F727-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 RISC (Harvard) |
| Instruction Set Width | 14-bit, 35 instructions |
| CPU Speed | 20 MHz maximum |
| Instruction Cycle | 200 ns |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 368 bytes |
| EEPROM | 256 bytes |
| I/O Pins | 36 |
| Package | 40-pin UQFN (5x5 mm) with exposed pad |
| Operating Voltage | 1.8 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) |
| ADC | 12-bit, up to 14 channels |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Communication | UART/USART, I2C, SPI |
| PWM | Enhanced CCP/ECCP modules |
| Low Power | nanoWatt XLP, <100 nA typical sleep |
| Oscillator | Internal + external clock support |
| Debug | ICD / ICSP (2-wire) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F727-I/MV Pin Configuration
| Pin 1 | RE3/MCLR/VPP — Master Clear (reset) input / programming voltage |
| Pin 2 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Pin 3 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Pin 4 | RA2/AN2/VREF- — Digital I/O / Analog input 2 / ADC negative reference |
| Pin 5 | RA3/AN3/VREF+ — Digital I/O / Analog input 3 / ADC positive reference |
| Pin 6 | RA4/AN4/T0CKI — Digital I/O / Analog input 4 / Timer0 clock input |
| Pin 7 | RA5/AN5/SS — Digital I/O / Analog input 5 / SPI slave select |
| Pin 8 | RA6/OSC2/CLKOUT — Digital I/O / oscillator output / clock output |
| Pin 9 | RA7/OSC1/CLKIN — Digital I/O / oscillator input / clock input |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | RB0/AN12/INT — Digital I/O / Analog input 12 / External interrupt |
| Pin 13 | RB1/AN10 — Digital I/O / Analog input 10 |
| Pin 14 | RB2/AN8 — Digital I/O / Analog input 8 |
| Pin 15 | RB3/AN9 — Digital I/O / Analog input 9 |
| Pin 16 | RB4/AN11 — Digital I/O / Analog input 11 |
| Pin 17 | RB5/AN13 — Digital I/O / Analog input 13 |
| Pin 18 | RB6/ICSPCLK — Digital I/O / ICD clock (programming/debug) |
| Pin 19 | RB7/ICSPDAT — Digital I/O / ICD data (programming/debug) |
| Pin 20 | VSS — Ground reference |
| Pin 21 | VDD — Positive supply voltage |
| Pin 22 | RC0 — Digital I/O |
| Pin 23 | RC1 — Digital I/O |
| Pin 24 | RC2 — Digital I/O |
| Pin 25 | RC3 — Digital I/O |
| Pin 26 | RC4 — Digital I/O |
| Pin 27 | RC5 — Digital I/O |
| Pin 28 | RC6 — Digital I/O / UART TX |
| Pin 29 | RC7 — Digital I/O / UART RX |
| Pin 30 | VSS — Ground reference |
| Pin 31 | VDD — Positive supply voltage |
| Pin 32 | RD0 — Digital I/O |
| Pin 33 | RD1 — Digital I/O |
| Pin 34 | RD2 — Digital I/O |
| Pin 35 | RD3 — Digital I/O |
| Pin 36 | RD4 — Digital I/O |
| Pin 37 | RD5 — Digital I/O |
| Pin 38 | RD6 — Digital I/O |
| Pin 39 | RD7 — Digital I/O |
| Pin 40 | EP — Exposed pad (must be soldered to ground plane) |
Typical Applications
PIC16F727-I/MV is suitable for 6 applications: Industrial Automation Control, Battery-Powered IoT Sensor Node, Consumer White Goods HMI, Handheld Test & Measurement, USB-to-UART Bridge / Debug Interface, Automotive Body & Comfort Electronics.
Industrial Automation Control
The PIC16F727-I/MV's 20 MHz core, 36 I/O pins, 12-bit ADC, and Enhanced PWM modules make it well suited for industrial automation controllers. Its 1.8-5.5 V supply tolerates 24V-sensor interfaces stepped down through simple regulators, and nanoWatt XLP sleep currents below 100 nA extend battery life in remote sensor transmitters. The 14 KB Flash accommodates Modbus RTU or basic CAN-style state machines without external memory. Place it between sensor input conditioning and an RS-485 transceiver for a complete analog-front-end plus comms node on a single 5x5 mm PCB.
Recommended
Battery-Powered IoT Sensor Node
The PIC16F727-I/MV's nanoWatt XLP sleep currents under 100 nA, wide 1.8-5.5 V supply, and I2C/SPI interfaces make it a strong fit for battery-powered IoT sensor nodes that wake periodically to read sensors and transmit via sub-GHz radio. The 14 KB Flash is enough for small BLE/Zigbee-style stacks or custom sensor-fusion firmware, while 368 B RAM holds calibration tables and recent samples. Place the MCU between a 2xAA battery stack and an I2C temperature/humidity sensor; use internal LFINTOSC and Watchdog Timer to keep duty cycle below 0.1%.
Recommended
Consumer White Goods HMI
The PIC16F727-I/MV drives capacitive-touch keypads, segmented LCDs, and brushed/brushless motor control loops in white goods such as washing machines, dishwashers, and microwave ovens. Its 36 I/O lines accommodate up to 14 ADC channels for temperature/conductivity sensing plus multiple PWM outputs for valve and motor drivers. The 5x5 mm 40-UQFN footprint fits behind a display panel, and the 20 MHz core comfortably runs user-interface state machines plus background motor control loops.
Recommended
Handheld Test & Measurement
The PIC16F727-I/MV's 12-bit ADC (up to 14 channels), UART for PC connectivity, and 1.8-5.5 V supply from 2xAA or Li-ion cells suit handheld multimeters, insulation testers, and portable data loggers. Its 14 KB Flash holds calibration tables and measurement routines, while the 40-UQFN package fits inside cramped enclosures. Use the internal ADC with an external op-amp front-end and stream samples to a PC via UART at 115200 baud for a compact USB-tethered logger.
Recommended
USB-to-UART Bridge / Debug Interface
The PIC16F727-I/MV's UART, ICD/ICSP debug pins, and 20 MHz core let it serve as a low-cost USB-to-UART bridge or a custom debug probe for legacy products. Its 14 KB Flash can hold USB-CDC class drivers and bootloader logic, and the 5x5 mm footprint fits inside a Type-A or Type-C dongle. Pair it with an external USB-serial bridge IC or use it with a software USB stack on the same chip when firmware budget permits.
Recommended
Automotive Body & Comfort Electronics
The PIC16F727-I/MV's 36 I/O lines, multiple PWM channels, and LIN/UART-friendly peripherals fit automotive body and comfort modules such as seat controllers, mirror adjusters, and ambient lighting drivers. Its 1.8-5.5 V supply tolerates cranking transients when paired with a simple LDO, and the 40-UQFN package handles underhood temperatures up to +85C industrial spec. For underhood deployments, upgrade to the PIC16F727-E/ML (extended temperature) variant without changing the firmware.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F727-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F727-I/ML | PIC16F727-E/ML | PIC16F726-I/MV | PIC16F726-E/MV | PIC16F723A-I/MV |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (5x5 mm) | 44-QFN | 44-QFN | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same |
| Flash Memory | 14 KB | 14 KB | 14 KB | 8 KB | 8 KB | 7 KB |
| RAM | 368 B | 368 B | 368 B | 368 B | 368 B | 192 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Approx. 1k Price (USD) | $1.83 | $2.05 | $2.40 | $1.70 | $2.10 | $1.55 |
Key Differentiators
- Largest Flash memory in PIC16F72X sub-family at 14 KB (vs PIC16F723A-I/MV)
- Higher code density than PIC16F726 sibling (vs PIC16F726-I/MV)
- Industrial -40C to +85C grade with industrial price point (vs PIC16F727-E/ML)
- More compact 40-UQFN footprint than 44-QFN sibling (vs PIC16F727-I/ML)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to each VDD/VSS pair on the PIC16F727-I/MV. Add a bulk 10 uF tantalum or ceramic capacitor near the supply pin to handle inrush during Flash programming via ICSP. The 40-UQFN package exposes multiple VDD/VSS pairs - every pair needs its own local decoupling cap, not just one shared cap.
The 40-UQFN package has an exposed thermal pad (EP) that must be soldered to a continuous ground copper pour on the PCB for both electrical reference and thermal dissipation. Vias under the EP (typically a 3x3 array of 0.3 mm thermal vias) connect the top-side pad to inner ground planes, keeping junction temperature within the -40C to +85C industrial spec during sustained ADC/PWM operation.
Route the ICSP pins RB6/ICSPCLK and RB7/ICSPDAT with short, parallel traces to a 4-pin header for PICkit or MPLAB ICD programming/debug. Keep MCLR pulled up through a 10 kohm resistor with a 100 nF cap to ground for clean reset behaviour. The 40-UQFN 0.5 mm pitch requires careful solder-pad design - use NSMD pads with a 1:1.2 stencil aperture for reliable reflow.
Do not leave the MCLR pin floating - a missing pull-up resistor causes intermittent resets in noisy environments. Also avoid powering the ADC with VDD exceeding 5.5 V; the absolute maximum on VDD is 6.5 V per the datasheet, and exceeding it can permanently damage the analog references. When using the internal oscillator, configure the IRCF bits correctly for the target CPU speed - default 500 kHz will underperform serial peripherals.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C grade; not AEC-Q100 qualified - select PIC16F727-E/ML for extended temperature ranges. Lead-free and halogen-free packaging confirmed by Microchip product declaration.
