PIC16LF1827T-I/SO - 8-bit 32MHz 7KB Flash MCU | Microchip | SOIC-18
MPN: PIC16LF1827T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.95 | $1.95 |
| 10 | $1.76 | $17.60 |
| 100 | $1.55 | $155.00 |
| 500 | $1.35 | $675.00 |
| 1,000 | $1.15 | $1,150.00 |
PIC16LF1827T-I/SO Overview
An 8-bit microcontroller is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), working RAM, EEPROM data memory and a rich set of peripherals (ADC, PWM, timers, communications, I/O) onto one silicon die. PIC microcontrollers sit within the broader taxonomy: microcontroller -> embedded controller -> semiconductor -> integrated circuit. The PIC16F family uses a RISC architecture that executes most instructions in a single clock cycle, giving the PIC16LF1827 a deterministic instruction time of 125 ns at 32 MHz.
Key specifications include a 32 MHz maximum operating frequency, 12 KBytes of addressable Flash (used as 7 KB / 4K x 14 words), an internal 32 kHz-32 MHz oscillator, an integrated 12-channel 10-bit ADC, two 8-bit timers, one 16-bit timer, enhanced PWM, mTouch™ capacitive-touch peripherals, and an XLP™ (eXtreme Low Power) design that drops the sleep current into the nanoampere region. The integrated Core Independent Peripherals (CIPs) reduce CPU load and code size for sensor and control loops.
The device targets 1.8V-3.6V operation from the F-version (LF) silicon, with brown-out-reset, watchdog timer and on-chip debug via the In-Circuit Serial Programming (ICSP) interface. The 18-pin SOIC footprint offers a wide SOIC land pattern that is hand-solder-friendly and breadboard-compatible. Peripherals include I2C/SPI/UART with EUSART, mTouch capacitive sensing, PWM, comparators and 12-bit ADC, all configurable through Microchip's MPLAB X IDE and XC8 compiler.
Typical applications include low-power IoT sensor nodes that wake periodically to take readings, capacitive touch button/gesture interfaces using mTouch, battery-powered home automation nodes running on 2xAA cells, portable consumer devices (grooming, kitchen scales, remote controls) and industrial sensor transmitters. The wide supply range and ultra-low sleep current make the device a strong fit when system standby lifetime on a primary cell exceeds years.
When designing with this MCU, place a 100 nF decoupling capacitor as close as possible to VDD/VSS and use the internal 32 MHz HFINTOSC at start-up to minimise external component count. For noise-sensitive analog work, use the dedicated analog supply AVdd/AVss pair and configure the ADC in the appropriate acquisition mode.
This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes beyond what the manufacturer datasheet provides, supporting both procurement and engineering decisions.
Drop-in alternatives for PIC16LF1827T-I/SO — 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 PIC16LF1827T-I/SO (same form factor and footprint) — differing in Operating Temperature, Package, ADC, Core, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1827-I/SO
✅ Drop-In✓ In Stock
$1.4 / Unit
View Datasheet →PIC16LF1827-E/SO
✅ Drop-In✓ In Stock
$1.52 / Unit
View Datasheet →PIC16F1827T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1826T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1825T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1827T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16F enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data EEPROM | 256 bytes |
| RAM | 384 bytes |
| Maximum CPU Frequency | 32 MHz |
| Instruction Time | 125 ns (single-cycle) |
| Supply Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 16 (multi-function, 5V tolerant input) |
| ADC | 12-channel, 10-bit |
| Timers | 2 x 8-bit, 1 x 16-bit |
| PWM Outputs | Enhanced PWM, multiple channels |
| Communications | EUSART (UART), I2C/SPI |
| Capacitive Touch | mTouch peripheral |
| Package | 18-pin SOIC (SO-18, 300 mil) |
| Operating Temperature | -40 C to +85 C (Industrial, suffix 'I') |
| Programming Interface | ICSP (In-Circuit Serial Programming) via PGD/PGC |
| Lead-Free / RoHS | Compliant |
| MSL Level | MSL1 / 260 C per JEDEC J-STD-020 |
PIC16LF1827T-I/SO Pin Configuration
| Pin 1 | RA3/AN3/C1IN+/T1G — Bidirectional I/O, analog input 3, comparator 1 positive input, Timer1 gate |
| Pin 2 | RA4/AN4/T1G/OSC2 — Bidirectional I/O, analog input 4, Timer1 gate, oscillator output (crystal mode) |
| Pin 3 | RA5/MCLR/VPP — Bidirectional I/O, Master Clear reset (active low), ICSP programming voltage |
| Pin 4 | RA6/OSC1/CLKIN — Bidirectional I/O, oscillator input (crystal mode), external clock input |
| Pin 5 | RA7/CLKOUT — Bidirectional I/O, Fosc/4 clock output for synchronising peripherals |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 8 | RB4/AN10/SDI/SDA — Bidirectional I/O, analog input 10, SPI data in, I2C data |
| Pin 9 | RB5/AN11/RX/DT — Bidirectional I/O, analog input 11, EUSART RX (asynchronous) or data line (synchronous) |
| Pin 10 | RB6/ICSPCLK/AN12 — Bidirectional I/O, ICSP clock, analog input 12 |
| Pin 11 | RB7/ICSPDAT/AN13 — Bidirectional I/O, ICSP data, analog input 13 |
| Pin 12 | RC0/AN4 — Bidirectional I/O, analog input 4 |
| Pin 13 | RC1/AN5 — Bidirectional I/O, analog input 5 |
| Pin 14 | RC2/AN6/C12IN2- — Bidirectional I/O, analog input 6, comparator 2 negative input |
| Pin 15 | RC3/AN7/C12IN3- — Bidirectional I/O, analog input 7, comparator 2/3 negative input |
| Pin 16 | RC4/AN8 — Bidirectional I/O, analog input 8 |
| Pin 17 | RC5/AN9 — Bidirectional I/O, analog input 9 |
| Pin 18 | RC6/AN10/TX/CK — Bidirectional I/O, analog input 10, EUSART TX (asynchronous) or clock line (synchronous) |
Typical Applications
PIC16LF1827T-I/SO is suitable for 6 applications: Battery-Powered IoT Sensor Node, Capacitive Touch Button Interface, Industrial Sensor Transmitter, Portable Consumer Device (Scale / Remote / Wearable), Home Automation / Smart Lighting Controller, Automotive Body / Interior Module.
Battery-Powered IoT Sensor Node
The PIC16LF1827T-I/SO is well matched to battery-powered IoT sensor nodes that wake periodically to take readings and return to deep sleep. Its XLP™ technology drops sleep current into the nanoampere region, allowing multi-year life on 2x AA cells. The 32 MHz HFINTOSC eliminates the external crystal, reducing BOM, while the 12-channel 10-bit ADC multiplexes temperature, humidity and battery voltage measurements. The EUSART and I2C peripherals handle modem or sensor interfacing. Estimated: with a 2200 mAh AA pack and average 5 uA system current, node lifetime exceeds 10 years.
Recommended
Capacitive Touch Button Interface
The integrated mTouch™ peripheral allows the PIC16LF1827T-I/SO to read up to 12 capacitive touch channels using the on-chip CTMU, eliminating the need for an external touch controller. With 384 bytes of RAM and 7 KB Flash, the device implements debounce, gesture and LED-feedback control alongside touch acquisition. The 32 MHz core completes a full 12-channel scan in well under 1 ms, ensuring a 100 Hz refresh rate with minimal CPU load. Designers target consumer white-goods, audio products and kitchen appliances.
Recommended
Industrial Sensor Transmitter
Industrial 4-20 mA loop-powered transmitters benefit from the PIC16LF1827T-I/SO's industrial -40 to +85 C temperature grade and rich analog front-end. The 10-bit ADC measures bridge sensors, while the on-chip op-amps (where enabled on /I variant) condition the signal before digitisation. The 18-pin SOIC handles vibration-prone mounting better than QFN, and 5V-tolerant digital inputs ease connection to legacy industrial busses. AEC-Q100 versions of similar PIC16 die support automotive variants.
Recommended
Portable Consumer Device (Scale / Remote / Wearable)
The PIC16LF1827T-I/SO suits portable consumer products such as kitchen scales, remote controls and personal-care devices. The 18-pin SOIC footprint allows hand-soldering and breadboard prototyping for low-volume SKUs, while production volumes use the same /SO device on automated SMT. The 1.8-3.6V supply matches single-cell Li-ion or 2x AAA operation. mTouch can replace mechanical buttons, reducing BOM and improving moisture resistance. The 7 KB Flash stores product firmware plus calibration tables.
Recommended
Home Automation / Smart Lighting Controller
In a home automation node the PIC16LF1827T-I/SO runs a low-power wireless stack or a wired protocol like Modbus over RS-485. The EUSART provides the physical interface, while the mTouch peripheral allows touch dimmers on the wall plate. XLP sleep current of < 50 nA enables battery-powered light switches with 5-10 year life. The 16 I/O pins multiplex multiple LED indicators and button inputs without external expanders. Compatibility with MPLAB X IDE eases firmware maintenance across product variants.
Recommended
Automotive Body / Interior Module
Although PIC16LF1827T-I/SO is the commercial industrial -I grade, the same silicon supports PIC16F1827T-I/SO variants qualified for automotive interior applications such as seat controllers, mirror adjusters and ambient lighting. The 32 MIPS performance handles LIN-bus stacks and PWM-driven LED drivers, while 5V tolerance eases connection to 12V-clamped automotive signals. For production automotive designs the AEC-Q100 /Q qualified PIC16F variant is recommended over the LF variant.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1827T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1827-I/SO | PIC16LF1827-E/SO | PIC16F1827T-I/SO | PIC16LF1826T-I/SO | PIC16LF1825T-I/SO |
|---|---|---|---|---|---|---|
| Package | SOIC-18 (300 mil) | SOIC-18 (300 mil) - same | SOIC-18 (300 mil) - same | SOIC-18 (300 mil) - same | SOIC-18 (300 mil) - same | SOIC-18 (300 mil) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 3.5 KB | 14 KB |
| RAM | 384 B | 384 B | 384 B | 384 B | 256 B | 1 KB |
| Supply Voltage | 1.8 V to 3.6 V | 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 |
| Max Frequency | 32 MHz / 32 MIPS | 32 MHz / 32 MIPS | 32 MHz / 32 MIPS | 32 MHz / 32 MIPS | 32 MHz / 32 MIPS | 32 MHz / 32 MIPS |
| Temperature Grade | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| ADC Channels | 12 channels, 10-bit | 12 / 10-bit | 12 / 10-bit | 12 / 10-bit | 12 / 10-bit | 12 / 10-bit |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| mTouch Support | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Highest density XLP nanoWatt sleep current in 18-pin SOIC (vs PIC16LF1826T-I/SO)
- Industrial -40 to +85 C temperature grade available off-the-shelf (vs PIC16LF1827-E/SO)
- True 1.8V minimum supply enables 1-cell coin-cell designs (vs PIC16F1827T-I/SO)
- Same-die drop-in packaging flexibility (vs PIC16LF1827-I/SO)
Design Notes
Estimated: the PIC16LF1827 LF silicon draws under 50 nA in sleep mode when peripherals are gated off. To reach this floor, disable the ADC, comparators and EUSART before SLEEP and select the lowest-power LFINTOSC wake-up source. For battery designs, measure quiescent current on a fresh prototype; leaked I/O pins can dominate standby draw. Use a 100 nF decoupling capacitor directly on VDD/VSS within 5 mm of the pins.
The 18-pin SOIC has a 300 mil body width with 0.05 inch pin pitch. Route the ICSPDAT/ICSPCLK pair (RB7/RB6) directly to a 6-pin ICSP header for in-circuit programming and debug, keeping the header within 50 mm to avoid signal integrity issues. Place MCLR pull-up (typically 10 kohm) close to the pin with a 100 nF cap for noise immunity during ICSP entry. Avoid routing analog and digital traces parallel to each other for more than 5 mm.
Do not confuse the LF (low-voltage F) silicon with the standard F version: LF requires 1.8-3.6V, F supports 2.0-5.5V. Using LF at 5V exceeds absolute maximum ratings. Also note that pin 3 (RA5/MCLR/VPP) is multiplexed with the ICSP programming voltage; do not place a capacitor larger than 100 nF directly on this pin or ICSP entry can fail. When migrating between SOIC-18, SSOP-20 and QFN-28 versions, double-check peripheral remapping in the configuration bits.
Keep the analog supply (AVdd/AVss) trace short and isolated from the digital Vdd. Use a ferrite bead or small inductor between Vdd and AVdd if analog accuracy matters. For mTouch capacitive sensing, route the touch electrodes with minimum 0.2 mm clearance to neighbouring traces and use a ground pour with hatched spacing under the electrode area to minimise parasitic capacitance. Reference Microchip AN1478 'mTouch Conducted Noise Immunity' for further guidance.
Compliance Information
RoHS / REACH / lead-free compliance per Microchip product page; halogen-free per MSL1 / 260 C reflow profile. PIC16LF1827T-I/SO is the standard -I industrial grade and is NOT AEC-Q100 qualified; the automotive-grade variant is the PIC16F1827-E/SO-Q1 family. The product is in active production with no published EOL notice.
