PIC16F1827-I/P - 8-Bit MCU, 7KB Flash, 32MHz, 18-PDIP | Microchip
MPN: PIC16F1827-I/P β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.94 | $1.94 |
| 10 | $1.74 | $17.40 |
| 100 | $1.55 | $155.00 |
| 500 | $1.39 | $695.00 |
| 1,000 | $1.24 | $1,240.00 |
PIC16F1827-I/P Overview
An 8-bit PIC microcontroller is a compact, low-power CMOS computing device built around a RISC (Reduced Instruction Set Computing) Harvard architecture. PIC microcontrollers sit in the broader category of microcontrollers > embedded controllers > semiconductor ICs. They integrate a CPU core, non-volatile Flash program memory, SRAM, EEPROM, and a rich set of peripherals into a single chip, forming the building blocks of countless embedded systems ranging from consumer appliances to industrial sensor nodes.
Key features of the PIC16F1827-I/P include an internal 32 MHz oscillator, an integrated Capacitive mTouch sensing module for touch-button and slider interfaces, a Data Signal Modulator (DSM) for mixed-signal conditioning, and communication peripherals such as MI2C, SPI, and EUSART with auto-baud. The device also provides 2 ECCP (Enhanced Capture/Compare/PWM) modules, 2 standard CCP modules, a 12-channel 10-bit ADC, and nanoWatt XLP (eXtreme Low Power) technology for sleep currents as low as 20 nA.
Technically, the enhanced mid-range core offers 49 instructions with 16 stack levels, self read/write capable Flash, an integrated 32 MHz oscillator with PLL option, and a wide operating voltage range from 1.8 V to 5.5 V. The 18-pin PDIP footprint is breadboard-friendly, making the part popular in education, prototyping, and retrofit designs where through-hole assembly is preferred.
Typical applications include capacitive touch user interfaces (mTouch), battery-powered IoT sensor nodes leveraging XLP low-power modes, motor and lighting control with PWM, sensor signal conditioning with the DSM module, and industrial control systems needing robust EEPROM-backed data logging.
When designing with this device, plan for ICD/ICSP programming/debugging headers and follow Microchip AN-1256 for mTouch layout guidelines to avoid false touches and improve EMC immunity.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet, making component selection faster for hardware engineers.
Drop-in alternatives for PIC16F1827-I/P β 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 PIC16F1827-I/P (same form factor and footprint) β differing in ADC, Package, Program Memory (Flash), I/O Pins, Operating Temperature.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16F1826-I/P
β Drop-Inβ In Stock
$1.48 / Unit
View Datasheet βPIC16F1823-I/P
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1825-I/P
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$1.23 / Unit
View Datasheet βPIC16F1782-I/P
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1713-I/P
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F1827-I/P Maximum Ratings & Electrical Characteristics
| Core Architecture | Enhanced Mid-Range PIC16 8-bit |
| Instruction Set | 49 instructions, 16 stack levels |
| Maximum CPU Frequency | 32 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz (125 ns at 32 MHz) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 384 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Internal Oscillator | 32 MHz with PLL |
| I/O Pins | 16 digital I/O |
| ADC | 12-channel, 10-bit |
| PWM Modules | 2 ECCP + 2 CCP |
| Communication Peripherals | MI2C, SPI, EUSART (auto-baud) |
| Special Modules | mTouch capacitive sensing, Data Signal Modulator (DSM) |
| Low-Power Technology | nanoWatt XLP, sleep current ~20 nA |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 18-pin PDIP (Through-Hole) |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F1827-I/P Pin Configuration
| Pin 1 | RA3/MCLR/VPP β Master Clear / programming voltage / GPIO |
| Pin 2 | RA4/AN3 β GPIO / analog input channel 3 |
| Pin 3 | RA5/T1CKI/CCP2 β GPIO / Timer1 clock input / CCP2 PWM |
| Pin 4 | RA6/OSC2/CLKO β GPIO / crystal oscillator output |
| Pin 5 | RA7/OSC1/CLKI β GPIO / crystal oscillator input |
| Pin 6 | VSS β Ground reference |
| Pin 7 | VDD β Positive supply (1.8V to 5.5V) |
| Pin 8 | RB0/AN12/CCP1 β GPIO / analog input / CCP1 PWM |
| Pin 9 | RB1/AN10 β GPIO / analog input channel 10 |
| Pin 10 | RB2/AN8 β GPIO / analog input channel 8 |
| Pin 11 | RB3/AN9/CCP2 β GPIO / analog / CCP2 |
| Pin 12 | RB4/AN11 β GPIO / analog input channel 11 |
| Pin 13 | RB5/AN13 β GPIO / analog input channel 13 |
| Pin 14 | RB6/ICSPCLK β GPIO / ICSP clock |
| Pin 15 | RB7/ICSPDAT β GPIO / ICSP data |
| Pin 16 | RC0 β GPIO |
| Pin 17 | RC1/CCP4 β GPIO / CCP4 PWM |
| Pin 18 | RC2/CCP3 β GPIO / CCP3 PWM |
Typical Applications
PIC16F1827-I/P is suitable for 6 applications: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, PWM Motor and LED Lighting Control, Industrial Sensor Signal Conditioning, Home Appliance Control Board, Hobby and Educational Prototyping.
Capacitive Touch User Interface
The PIC16F1827-I/P is a natural fit for capacitive touch UI applications because of its integrated mTouch peripheral, which uses CVD to measure capacitance changes on a PCB electrode. The 18-PDIP package and 32 MHz CPU provide enough headroom to scan 12+ touch channels at low active currents, while XLP technology drops the device into 20 nA sleep between scans. Designers place 10-20 mm PCB pads under a plastic overlay, add a guard ring and ground hatch, and the same chip runs the application logic. Compared to dedicated touch ICs, the 1827 eliminates a companion MCU, simplifying BOM.
Recommended
Battery-Powered IoT Sensor Node
With XLP nanoWatt technology and a 1.8 V to 5.5 V operating range, the PIC16F1827-I/P is well matched to battery-powered wireless sensor nodes that spend most of their life in sleep. The 32 MHz internal oscillator wakes the MCU in microseconds to service a sensor over I2C, transmit via EUSART or SPI to a sub-GHz radio, and return to deep sleep. The 256-byte EEPROM stores calibration constants without draining the cell. AA or coin-cell operation is practical for years-long deployments in environmental monitoring or asset-tracking.
Recommended
PWM Motor and LED Lighting Control
Dual ECCP plus dual CCP modules make the PIC16F1827-I/P a compact controller for small DC motor speed loops or multi-channel LED dimming. Each ECCP can drive PWM at up to 10 kHz with configurable dead-band control and 10-bit resolution, well beyond what is needed for 50-2000 Hz motor PWM or 1 kHz LED dimming. The 32 MHz clock leaves cycles for current sensing via the ADC, while the 18-PDIP simplifies bench setup and repair. The DSM module can also modulate PWM outputs for driving high-side FETs with isolation in offline LED fixtures.
Recommended
Industrial Sensor Signal Conditioning
The Data Signal Modulator (DSM) is the PIC16F1827-I/P's signature mixed-signal feature: it routes and modulates analog signals between peripherals (ADC, comparators, FVR) without CPU overhead, enabling zero-crossing detection, peak detection, and low-jitter sensor excitation. Combined with the 12-channel 10-bit ADC and integrated op-amp-ready peripherals, the MCU performs entire analog front-end tasks on a single die - ideal for thermocouple conditioning, bridge sensors, or current shunt amplification in industrial PLCs.
Recommended
Home Appliance Control Board
Through-hole DIP packages remain popular in white-goods control boards because they survive harsh soldering and field rework. The PIC16F1827-I/P's industrial temperature range (-40C to +85C), 5V tolerance, and EEPROM-backed settings storage fit washing machines, microwave ovens, and small HVAC controls. EUSART plus MI2C allows the appliance to talk to user-interface boards, sensors, or inverter driver ICs. EEPROM endurance (1M cycles) covers lifetime user-setting storage in most consumer appliances.
Recommended
Hobby and Educational Prototyping
The 18-PDIP PIC16F1827-I/P is breadboard-friendly and one of the most popular parts for embedded-systems teaching. Its support for free MPLAB X IDE, XC8 compiler, MPLAB Code Configurator, and ICSP programming on RB6/RB7 lowers the entry barrier for students. The integrated peripherals (ADC, PWM, mTouch, I2C/SPI) cover virtually every embedded topic in a single chip. DIP-package drop-in replacement paths to SOIC/QFN family variants let students prototype today and migrate to SMT for production without learning a new architecture.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1827-I/P β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1826-I/P | PIC16F1823-I/P | PIC16F1825-I/P | PIC16F1782-I/P | PIC16F1713-I/P |
|---|---|---|---|---|---|---|
| Package | 18-PDIP (Through-Hole) | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 3.5 KB | 2 KB | 8 KB | 28 KB | 4 KB |
| SRAM | 384 bytes | 256 bytes | 128 bytes | 512 bytes | 1 KB | 512 bytes |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Data Signal Modulator (DSM) | Yes | No | No | Yes | No | No |
| Operating Voltage Range | 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 |
| Unit Price @ Qty 100 (USD) | 1.55 | 1.42 | 1.20 | 1.65 | 1.89 | 1.49 |
Key Differentiators
- Integrated Data Signal Modulator (DSM) (vs PIC16F1826-I/P)
- Doubled Flash capacity with same package (vs PIC16F1823-I/P)
- Better peripheral density than smaller memory siblings (vs PIC16F1782-I/P)
Design Notes
Layout matters for mTouch. Place a hatched ground plane at least 5 mm away from touch pads, and surround each pad with a narrow guard ring driven by the same low-impedance signal. Use Microchip AN-1256 guidelines for pad size and overlay thickness - thicker overlay or smaller pads degrade sensitivity dramatically. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of pin 7, and add a 10 uF bulk cap at the board input.
Estimated: at VDD = 5 V with all peripherals running at 32 MHz, active current is approximately 6 mA; dropping to sleep mode reduces this to ~20 nA. For battery-powered designs, ensure the wake-up source (interrupt on pin change, watchdog timer, or RTCC) is configured before entering Sleep - waking due to undefined state can cause a continuous partial wake that destroys the battery budget.
Do not omit the MCLR/VPP pull-up: pin 1 (RA3/MCLR) needs at least a 10 kohm pull-up to VDD for normal operation. Floating MCLR will cause spurious resets or failed programming. When using ICSP, ensure the load capacitance on RB6/ICSPCLK and RB7/ICSPDAT is small (< 50 pF) - heavy capacitance prevents high-speed programming and debugger handshake. If your board needs to share ICSP lines with user I/O, add series resistors (typically 4.7 kohm) to isolate the programmer.
When using the internal 32 MHz oscillator, the HFINTOSC accuracy is +/-2% across voltage and temperature after factory calibration - adequate for UART up to 9600 baud with EUSART auto-baud. For higher baud rates or RF timing, switch to a 16 MHz crystal on RA6/RA7. EUSART auto-baud is enabled by default in this family and locks onto a falling edge of the incoming byte, making it tolerant of small frequency mismatches between two PICs.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified - select automotive-grade PIC16F1827 variants for automotive designs. Halogen-free status not explicitly listed in datasheet or product page - flagged as unknown.
