PIC16F1827T-I/SS - 8-bit 32MHz 7KB Flash MCU 20-SSOP | Microchip
MPN: PIC16F1827T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.92 | $1.92 |
| 10 | $1.73 | $17.30 |
| 100 | $1.44 | $144.00 |
| 500 | $1.25 | $625.00 |
| 1,000 | $1.08 | $1,080.00 |
| 3,000 | $0.95 | $2,850.00 |
PIC16F1827T-I/SS Overview
A PIC16 microcontroller is a member of Microchip's 8-bit RISC microcontroller family based on a Harvard architecture with separate program and data buses. The PIC16F series occupies the mid-range tier in the PIC portfolio (PIC10/12/16/18/24/32), offering a balance of low power, peripheral integration, and code density for applications in consumer electronics, industrial sensing, IoT edge nodes, and motor/lighting control. PIC16F parts use a 14-bit instruction word, internal oscillator options, and Configurable Logic Cells (CLC), making them more capable than baseline PIC10/12 while remaining cheaper than PIC18.
Key features of the PIC16F1827 include 7 KB self-programmable Flash, 256 bytes EEPROM, 384 bytes RAM, 12-channel 10-bit ADC, two 8-bit and two 16-bit timers, two comparators, enhanced PWM/capture/compare, mTouch capacitive touch sensing support, an I2C/SPI/EUSART interface set, and a 32 MHz internal oscillator. The nanoWatt XLP technology delivers sub-microamp sleep currents (as low as 20 nA typical in sleep with watchdog disabled), enabling multi-year battery life.
The architecture uses a modified Harvard core with a 14-bit wide instruction path and 8-bit data path, paired with a hardware multiplier and an interrupt controller that supports automatic context saving. The integrated Core Independent Peripherals (CIPs) - CLC, MSSP, Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG) - allow designers to offload tasks like waveform synthesis and signal conditioning from the CPU, reducing firmware complexity and code footprint.
Typical applications include capacitive touch user interfaces (buttons, sliders, proximity sensors), low-power IoT sensor transmitters, small motor and fan control loops, LED lighting controllers, battery-powered consumer devices, and industrial sensor signal conditioning. The mTouch peripheral enables touch sensing without external components, simplifying hardware.
When designing, ensure decoupling capacitors are placed close to VDD/AVDD/VSS/AVSS, and that the configuration bits (CONFIG1/CONFIG2) match the application's oscillator and watchdog requirements. Programming is supported by MPLAB X IDE and the PICkit 5/SNAP debuggers using the in-circuit serial programming (ICSP) interface.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design considerations not duplicated from the manufacturer datasheet, helping engineers shorten sourcing and PCB layout reviews.
Drop-in alternatives for PIC16F1827T-I/SS — 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/SS (same form factor and footprint) — differing in Core Architecture, Package, ADC, Data EEPROM, Data RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1827-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1828T-I/SS
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC16F1827T-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 (Harvard, 14-bit instruction word) |
| Series | PIC® XLP™ mTouch™ 16F |
| Family | PIC16F1826/27 |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 384 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 2.5 V to 5.5 V |
| I/O Pins | 16 |
| ADC | 10-bit, up to 12 channels |
| Comparators | 2 |
| Timers | 2 x 8-bit, 2 x 16-bit |
| Communication | EUSART, I2C/SPI (MSSP) |
| Package | 20-pin SSOP (SS) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) |
| RoHS Status | Compliant |
| Halogen Free | Compliant |
| Technology | nanoWatt XLP |
PIC16F1827T-I/SS Pin Configuration
| Pin 1 | RA5 — GPIO / AN4 / C1OUT / T0CKI |
| Pin 2 | RA4 — GPIO / AN3 / T1G |
| Pin 3 | RA3/MCLR — GPIO / MCLR (reset, active low) |
| Pin 4 | RA2 — GPIO / AN2 / DAC1OUT / VREF- |
| Pin 5 | RA1 — GPIO / AN1 / ICSPCLK |
| Pin 6 | RA0 — GPIO / AN0 / ICSPDAT |
| Pin 7 | VSS — Ground |
| Pin 8 | VDD — Positive supply (2.5-5.5 V) |
| Pin 9 | RB7 — GPIO / AN11 / RX/DT |
| Pin 10 | RB6 — GPIO / AN10 / CK/SCK/SCL |
| Pin 11 | RB5 — GPIO / AN9 / TX/CK |
| Pin 12 | RB4 — GPIO / AN8 / SDI/SDA |
| Pin 13 | RB3 — GPIO / AN7 / CCP1/SDO |
| Pin 14 | RB2 — GPIO / AN6 / INT2 |
| Pin 15 | RB1 — GPIO / AN5 / INT1 |
| Pin 16 | RB0 — GPIO / AN12 / INT0 / FLT0 |
| Pin 17 | VSS — Ground |
| Pin 18 | VDD — Positive supply |
| Pin 19 | RA7 — GPIO / AN6 / CWGFLT |
| Pin 20 | RA6 — GPIO / AN5 / CLKOUT/CWG1C |
Typical Applications
PIC16F1827T-I/SS is suitable for 6 applications: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, Small DC Motor and Fan Speed Control, LED Lighting and Backlight Driver, Industrial Sensor Signal Conditioning, Consumer Remote Control and HID Device.
Capacitive Touch User Interface
The PIC16F1827T-I/SS is purpose-built for capacitive touch interfaces using its on-chip mTouch and CTMU peripherals. Charge-time measurement on up to 12 channels detects buttons, sliders, and proximity without external touch ICs, reducing BOM cost and PCB area. With 7 KB Flash, designers can implement debounce, gesture recognition, and LED feedback in firmware on the 32 MHz core. Typical designs use 4 to 8 touch electrodes plus a few LEDs, fitting comfortably within the 16 GPIO. The 2.5-5.5 V supply supports both 3.3 V and 5 V touch panels.
Recommended
Battery-Powered IoT Sensor Node
The PIC16F1827T-I/SS nanoWatt XLP technology delivers typical sleep currents below 1 uA, enabling multi-year coin-cell operation for wireless sensor endpoints. The on-chip 10-bit ADC with 12 channels reads temperature, humidity, or battery voltage without external signal conditioning. At 32 MHz, the CPU wakes, samples, transmits, and re-enters sleep within milliseconds. The 2.5-5.5 V VDD range supports Li-ion, two-AA, and coin-cell chemistries. Designers often pair the F1827 with a sub-GHz or BLE module via SPI or UART.
Recommended
Small DC Motor and Fan Speed Control
The PIC16F1827T-I/SS integrates enhanced PWM, capture, compare, and a Complementary Waveform Generator (CWG) that drives half-bridges for brushed DC and small BLDC motors. The 32 MHz / 8 MIPS throughput closes a 10 kHz PID loop with margin for housekeeping. Hardware fault inputs from the comparators trigger fast shutdown without CPU intervention, increasing safety in fan and pump applications. With 7 KB Flash, full state-machine and PID code fits without external DSP or motor controller ICs.
Recommended
LED Lighting and Backlight Driver
The PIC16F1827T-I/SS supports multi-channel LED driving with 16-level PWM, on-chip comparators for current sensing, and Configurable Logic Cells (CLC) that offload lighting-state machines from the CPU. The 2.5-5.5 V supply and 32 MHz speed support high-frequency PWM (>100 kHz) above the audible band, eliminating inductor whine in constant-current LED drivers. Hardware CWG generates dead-time-corrected complementary drive for synchronous buck LED drivers in architectural and backlight strips.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F1827T-I/SS integrates 12 channels of 10-bit ADC with internal voltage reference, two comparators, and op-amp-style CLC signal chains for thermocouple, RTD, and 4-20 mA loop signal conditioning. Industrial -40C to +85C operation and the SSOP-20 industrial footprint meet harsh-environment standards. With 7 KB Flash, designers can host LIN slave stacks or Modbus RTU framing, simplifying factory automation nodes that previously required dedicated communication ICs.
Recommended
Consumer Remote Control and HID Device
The PIC16F1827T-I/SS suits IR remote controls, game controllers, and HID peripherals with mTouch buttons, low-power sleep (~20 nA), and 32 MHz burst for IR modulation up to 56 kHz carrier. The integrated EUSART connects to BLE modules via UART, while the MSSP drives SPI peripherals or I2C sensors. With 384 bytes RAM and 7 KB Flash, designers can host HID descriptors, pairing logic, and capacitive touch scanning without an external memory IC, keeping the BOM to a single chip plus passives.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1827T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1827-I/SS | PIC16F1828T-I/SS | PIC16F1826T-I/SO |
|---|---|---|---|---|
| Package | 20-SSOP (SS) | 20-SSOP (SS) | 20-SSOP (SS) | 20-SOIC (SO) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 3.5 KB |
| Data RAM | 384 bytes | 384 bytes | 1024 bytes | 256 bytes |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| ADC | 10-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels |
Key Differentiators
- Highest RAM in PIC16F1826/27 SSOP-20 family before stepping up to PIC16F1828 (vs PIC16F1826T-I/SO)
- Smaller package option with same die (vs PIC16F1827T-I/ML)
- mTouch + CTMU hardware integrated (vs PIC16F1708T-I/SO)
Design Notes
Estimated: at VDD = 5 V and 32 MHz active mode, the PIC16F1827 draws approximately 6-8 mA from VDD; in sleep with watchdog disabled the typical current drops to ~20 nA. For battery-powered designs using a 3 V coin cell, average current is dominated by active-mode duty cycle, so minimize CPU-on time and use sleep + IOC wakeup. Decouple VDD with a 100 nF ceramic close to pins 8 and 18; add a bulk 10 uF if the analog rails feed the AVDD/VREF lines.
Route the ICSP lines (ICSPCLK = RA1, ICSPDAT = RA0) to a 5-pin header with no series resistors; keep traces short and isolated from switching nodes. Place a 4.7 kohm pull-up on MCLR (RA3/MCLR) and do not place large capacitors on MCLR - Microchip recommends <= 0.1 uF to avoid in-circuit programming issues. Keep the crystal/oscillator traces short if an external resonator is used; the internal 32 MHz HFINTOSC is usually sufficient.
A common pitfall is confusing the PIC16F1827 with the PIC16LF1827: the LF variant is the low-voltage (1.8-3.6 V) part. Using F1827 below 2.5 V causes EEPROM corruption and unreliable ADC. Also note that pin remap is limited on the SSOP-20 package - many peripherals are fixed to specific pins, so verify pin allocation before PCB layout. Finally, configuration bits must be set before any code runs; leaving FOSC unconfigured can lock out ICSP programming.
Compliance Information
RoHS compliant and Halogen-Free per Microchip product page (GlobalSpec datasheet listing). Not AEC-Q100 qualified - choose PIC16F1827-E variants or PIC16F1827T-I/SS automotive parts for vehicle-grade designs. Estimated EOL date per GlobalSpec is 2026.
