PIC16F1827T-I/ML - 8-bit 32MHz XLP MCU 7KB Flash | Microchip
MPN: PIC16F1827T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.34 | $2.34 |
| 10 | $2.11 | $21.10 |
| 100 | $1.84 | $184.00 |
| 500 | $1.62 | $810.00 |
| 1,000 | $1.45 | $1,450.00 |
PIC16F1827T-I/ML Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, programmable I/O peripherals, and timers. The PIC16 family implements the PIC RISC (Reduced Instruction Set Computer) architecture with a Harvard-style separate code and data path. Modern 8-bit PIC16F enhanced mid-range MCUs deliver up to 32 MHz throughput, on-chip 10-bit ADC, comparators, PWM, EUSART, MSSP I2C/SPI, and mTouch capacitive touch peripherals. Within the broader hierarchy, PIC16F1827 belongs to the Microchip mid-range 8-bit line -> 8-bit microcontroller category -> embedded MCU -> semiconductor IC.
Key features include hardware Peripheral Pin Select (PPS), an internal 32 MHz oscillator with ±1% accuracy after calibration, two 10-bit PWMs with complementary outputs, up to four 10-bit ADC channels, an Enhanced Universal Synchronous/Asynchronous Receiver Transmitter (EUSART), and Master Synchronous Serial Port (MSSP) supporting SPI and I2C. The nanoWatt XLP technology enables deep sleep currents as low as 20 nA, making this MCU ideal for battery-powered applications requiring multi-year lifetimes.
The PIC16F1827 uses an enhanced mid-range 14-bit instruction set with 49 instructions and 16 hardware stack levels, achieving 125 ns minimum instruction cycle at 32 MHz. A 32 kHz internal low-frequency oscillator and a 16 MHz HFINTOSC selectable through software support system clock flexibility without external crystals. The integrated mTouch 12-channel capacitive touch peripheral removes the need for external touch ICs in user-interface designs.
Typical applications include low-power IoT sensor nodes, capacitive touch user interfaces, consumer remote controls, battery-powered home automation, HVAC controls, and LED lighting control. The combination of low sleep current and small QFN-28 footprint suits space-constrained, energy-harvesting designs. Designers can leverage MPLAB X IDE, XC8 compiler, and the PICkit 3/4 or MPLAB SNAP programmers to accelerate firmware development.
When designing with this part, observe the absolute maximum VDD of 5.5 V and ensure decoupling capacitors are placed within 1 mm of the power pins. The 28-QFN exposed pad (EP) MUST be soldered to the ground plane for thermal dissipation and electrical performance. Use the PPS feature to remap peripherals to any I/O pin, simplifying PCB layout when peripheral allocation changes late in the design cycle.
This page synthesizes distributor pricing, drop-in alternatives sourced from Microchip's own PIC16 family, and practical design notes not assembled in a single place on the manufacturer datasheet or distributor catalog pages.
Drop-in alternatives for PIC16F1827T-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 PIC16F1827T-I/ML (same form factor and footprint) — differing in Package, Internal Oscillator, I/O Pins, Core Architecture, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1827-I/ML
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1827-E/ML
✅ Drop-In✓ In Stock
$1.65 / Unit
View Datasheet →PIC16F1824T-I/ML
✅ Drop-In✓ In Stock
$1.28 / Unit
View Datasheet →PIC16F1825T-I/ML
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16F1787T-I/ML
✅ Drop-In✓ In Stock
$2.54 / Unit
View Datasheet →PIC16F1768T-I/ML
✅ Drop-In✓ In Stock
$1.08 / Unit
View Datasheet →PIC16F1827T-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 Enhanced Mid-Range 8-bit |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 384 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| I/O Pins | 16 (maximum) |
| Package | 28-pin QFN (ML) 6x6 mm with exposed pad |
| ADC | 10-bit, up to 12 channels |
| Timers | 4 (8-bit Timer0/2; 16-bit Timer1; SMT Timer6) |
| PWM Outputs | Enhanced PWM, 10-bit, up to 4 channels |
| Communication | 1x EUSART, 1x MSSP (I2C/SPI) |
| Internal Oscillator | 32 MHz HFINTOSC, ±1% calibrated; 31 kHz LFINTOSC |
| Capacitive Touch | mTouch 12-channel peripheral |
| Peripheral Pin Select (PPS) | Yes |
| Sleep Current (XLP) | 20 nA typical (Watchdog Timer disabled) |
| Instruction Set Width | 14-bit, 49 instructions |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
PIC16F1827T-I/ML Pin Configuration
| Pin 1 | RA2 — GPIO/Analog input AN2 |
| Pin 2 | RA3 — GPIO/Analog input AN3 |
| Pin 3 | RA4 — GPIO/Analog input AN4 |
| Pin 4 | RA5 — GPIO/Analog input AN5 |
| Pin 5 | VDD — Positive supply voltage |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RA7/OSC1 — GPIO or crystal oscillator input |
| Pin 8 | RA6/OSC2 — GPIO or crystal oscillator output |
| Pin 9 | RC5 — GPIO/PPS remappable peripheral |
| Pin 10 | RC4 — GPIO/PPS remappable peripheral |
| Pin 11 | RC3 — GPIO/PPS remappable peripheral |
| Pin 12 | RC2 — GPIO/PPS remappable peripheral |
| Pin 13 | RC1 — GPIO/PPS remappable peripheral |
| Pin 14 | RC0 — GPIO/PPS remappable peripheral |
| Pin 15 | RB7 — GPIO/ICSP programming data |
| Pin 16 | RB6 — GPIO/ICSP programming clock |
| Pin 17 | RB5 — GPIO/Analog input AN13 |
| Pin 18 | RB4 — GPIO/Analog input AN11 |
| Pin 19 | RB3 — GPIO/Analog input AN9 |
| Pin 20 | RB2 — GPIO/Analog input AN8 |
| Pin 21 | RB1 — GPIO/Analog input AN10 |
| Pin 22 | RB0 — GPIO/Analog input AN12 |
| Pin 23 | RA1 — GPIO/Analog input AN1 |
| Pin 24 | RA0 — GPIO/Analog input AN0 |
| Pin 25 | RC7 — GPIO/PPS remappable peripheral |
| Pin 26 | RC6 — GPIO/PPS remappable peripheral |
| Pin 27 | VDD — Positive supply voltage |
| Pin 28 | VSS — Ground reference |
Typical Applications
PIC16F1827T-I/ML is suitable for 7 applications: Battery-Powered IoT Sensor Node, Capacitive Touch User Interface, Consumer Remote Control, Home Automation Sensor Hub, LED Lighting Control, HVAC Environmental Sensor, Portable Medical Monitoring Device.
Battery-Powered IoT Sensor Node
The PIC16F1827T-I/ML is well suited for battery-powered IoT sensor nodes thanks to its nanoWatt XLP sleep current of 20 nA typical and 1.8-5.5 V supply range that operates directly from a 3 V coin cell. The 32 MHz CPU delivers 8 MIPS, enabling local sensor data processing before periodic LoRa/BLE transmission. The on-chip 12-channel 10-bit ADC samples analog sensors without an external ADC, and the integrated EUSART/MSSP interfaces connect directly to wireless modules. The 28-QFN 6x6 mm footprint fits inside compact sensor housings where PCB area is at a premium. Versus a discrete op-amp + ADC + MCU solution, this part integrates the entire analog front-end into one IC, reducing BOM cost and quiescent current for multi-year battery life.
Recommended
Capacitive Touch User Interface
The PIC16F1827T-I/ML's integrated mTouch 12-channel capacitive touch peripheral replaces dedicated touch-sensing ICs in user-interface designs. The hardware peripheral supports buttons, sliders, and proximity sensing with configurable sensitivity and noise-immunity settings, reducing firmware overhead. The Peripheral Pin Select (PPS) feature routes touch channels to any I/O pin, allowing PCB layout flexibility when the touch sensor pattern is finalized late in the design cycle. The 32 MHz core executes touch-scanning algorithms with sub-millisecond response times. With 7 KB Flash and 384 bytes RAM, the MCU supports 8-12 touch buttons plus LED drivers, haptic feedback, and serial communication to a host processor.
Recommended
Consumer Remote Control
Consumer remote controls benefit from the PIC16F1827T-I/ML's combination of 1.8-5.5 V operation (direct from 2x AAA batteries), 20 nA sleep current for multi-year shelf life, and integrated mTouch capacitive buttons that replace mechanical keys. The 32 MHz CPU handles IR or RF transmission protocols (RC5, NEC, or proprietary) with accurate timing from the internal 32 MHz oscillator. The 28-QFN package is small enough to fit inside slim remote-control enclosures, and the Peripheral Pin Select feature allows PCB designers to remap IR LED, status LED, and wake-up button pins without respinning the hardware. Versus discrete 4-bit remote-control ICs, this part adds programmability for protocol updates and OEM differentiation.
Recommended
Home Automation Sensor Hub
The PIC16F1827T-I/ML powers home automation sensor hubs by combining low sleep current with multiple communication interfaces (EUSART, MSSP I2C/SPI) that interface directly to wireless modules, temperature/humidity sensors, and PIR motion detectors. The 12-channel 10-bit ADC monitors battery voltage, ambient light, and analog sensor inputs, while the integrated mTouch peripheral supports user override buttons. The 28-QFN package is suitable for wall-switch form factors, and the 1.8-5.5 V range supports both battery-powered and AC-powered variants. With 7 KB Flash, the firmware fits Zigbee/Z-Wave/BLE bridge logic plus local decision algorithms for energy-efficient home automation.
Recommended
LED Lighting Control
The PIC16F1827T-I/ML's 10-bit Enhanced PWM with up to 4 channels and complementary outputs drives multi-channel LED lighting fixtures including RGBW strips and tunable white panels. The 32 MHz CPU executes color-mixing algorithms and DMX-512 or DALI protocol stacks in firmware, while the Peripheral Pin Select feature routes PWM outputs to any I/O pin for flexible PCB layout. The integrated EUSART handles DMX reception at 250 kbaud without CPU intervention via DMA-like buffering, and the 1.8-5.5 V range supports both 3.3 V and 5 V LED-driver power rails. The 7 KB Flash fits full LED-controller firmware including dimming curves, color-space conversion, and fault protection.
Recommended
HVAC Environmental Sensor
The PIC16F1827T-I/ML monitors HVAC environmental conditions by sampling temperature, humidity, and CO2 sensors through its 12-channel 10-bit ADC, then transmitting results via EUSART or MSSP to a central controller. The nanoWatt XLP sleep current of 20 nA enables battery-powered wireless sensor nodes with multi-year lifetimes, while the 32 MHz CPU handles sensor linearization and protocol framing. The 28-QFN package fits inside small ceiling-mount enclosures, and the industrial -40C to +85C temperature range supports unconditioned plant-room deployment. The integrated mTouch peripheral adds local user override without external buttons, and the 7 KB Flash fits complete sensor-fusion firmware for HVAC control loops.
Recommended
Portable Medical Monitoring Device
The PIC16F1827T-I/ML supports portable medical monitoring devices such as pulse oximeters, digital thermometers, and single-parameter patient monitors where low power consumption and small PCB area are essential. The 1.8-5.5 V supply range operates directly from a 3 V coin cell, while the 20 nA sleep current extends battery life for months. The 12-channel 10-bit ADC samples analog biomedical sensors (photodiode, thermistor, ECG electrodes) with adequate resolution, and the integrated EUSART transmits results to a Bluetooth or display module. The 28-QFN 6x6 mm footprint fits inside wearable form factors. Note: This part is NOT medical-grade certified; production medical devices require IEC 60601 compliance at the system level.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1827T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1827-I/ML | PIC16F1827-E/ML | PIC16F1824T-I/ML | PIC16F1825T-I/ML | PIC16F1787T-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (ML) 6x6 mm | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same | 28-QFN (ML) 6x6 mm - same |
| Flash Memory | 7 KB | 7 KB | 7 KB | 4 KB | 14 KB | 28 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply 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 |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| RAM | 384 bytes | 384 bytes | 384 bytes | 256 bytes | 1024 bytes | 2048 bytes |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Packaging Carrier | Tape & Reel | Tray | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
| Unit Price (qty 1) | $2.34 | $2.34 | $2.85 | $2.05 | $2.65 | $3.15 |
Key Differentiators
- Only part in 28-QFN with 7 KB Flash and 384-byte RAM at 32 MHz (vs PIC16F1824T-I/ML)
- Extended-temperature variant available in same package (vs PIC16F1827-I/ML)
- Lower cost than higher-memory PIC16F1825T-I/ML alternative (vs PIC16F1825T-I/ML)
- Industry-standard 8-bit core with 49-instruction RISC architecture (vs PIC16F1787T-I/ML)
Design Notes
The 28-QFN package has an exposed thermal pad (EP) on the underside that MUST be soldered to a ground plane on the PCB for both thermal dissipation and electrical performance. Per Microchip datasheet recommendations, place a 0.1 µF ceramic decoupling capacitor within 1 mm of each VDD pin (pins 5 and 27) and a 1 µF bulk capacitor within 5 mm. Use a continuous ground pour under the EP connected via at least 9 thermal vias (0.3 mm diameter, 1.0 mm pitch) for optimal heat sinking and EMI performance.
The PIC16F1827T-I/ML nanoWatt XLP technology delivers 20 nA typical sleep current with Watchdog Timer disabled. To achieve this in firmware, disable all unnecessary peripherals before executing the SLEEP instruction, set all unused I/O pins to outputs driving low, and configure the WDT as the only wake-up source if periodic wake is needed. The datasheet shows that enabling the ADC, comparators, or FVR peripheral increases sleep current by 1-10 µA, so disable them when not actively sampling.
Do not exceed the absolute maximum VDD of 5.5 V or apply voltage to any I/O pin when VDD is below 1.8 V (latch-up risk). The ICSP programming pins RB6 (PGC) and RB7 (PGD) are used for in-circuit programming; do not place strong pull-downs below 10 kohm on these pins or programming will fail. When using the internal 32 MHz HFINTOSC, allow the oscillator stabilization timer (OST) to complete after wake-up before executing timing-critical code.
The PIC16F1827T-I/ML EUSART supports up to 5 Mbps at 32 MHz; for high-speed serial links, route the signal trace over a continuous ground plane with 50 ohm impedance and place a series damping resistor close to the driver pin. The MSSP I2C peripheral supports Standard (100 kHz), Fast (400 kHz), and Fast-Plus (1 MHz) modes; for 1 MHz operation, use 4.7 kohm pull-ups and verify signal integrity with an oscilloscope. The mTouch capacitive sensing is sensitive to PCB ground plane capacitance; follow Microchip application note AN1478 for sensor layout guidelines.
Use the Peripheral Pin Select (PPS) feature to route peripheral functions to any digital I/O pin, simplifying PCB layout when peripheral allocation changes late in the design cycle. PPS outputs are assigned via the RxyPPS registers; PPS inputs are assigned via the PPSxCON registers. The PPS function is unavailable on pins shared with the ICSP programming interface (RB6/RB7), the MCLR reset pin, or the crystal oscillator pins (RA6/RA7). Plan pin assignments to keep PPS-critical peripherals away from these reserved pins.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (I-suffix). For AEC-Q100 automotive qualification, Microchip offers separately qualified PIC16F1827 variants in automotive packages - check the automotive-grade part number with the /VAO suffix.
