PIC12F675-I/P - 8-Bit 20MHz Flash MCU | Microchip
MPN: PIC12F675-I/P ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
PIC12F675-I/P Overview
A PIC microcontroller is a programmable integrated circuit that combines a CPU core, nonvolatile program memory, data memory, I/O ports, and peripherals on one chip. The PIC12F675 belongs to the 8-bit PIC12 low-pin-count family and is intended for small control systems that require more than simple logic but do not need a high-performance processor. Its Flash program memory permits in-circuit reprogramming and supports firmware updates without replacing the device.
The verified product data identifies a 20 MHz device with 200 ns instruction execution and a 35-single-word instruction set. The PIC12F675-I/P is identified as an 8-bit, 8-pin device with four channels and a 10-bit ADC. Six I/O ports are listed in the verified comparison data. The PDIP package is suitable for through-hole prototyping, educational kits, industrial control modules, and applications where a larger package is easier to inspect or hand-solder than a fine-pitch surface-mount package.
Compared with a basic 8-bit MCU, the integrated ADC enables analog measurement without an external converter. The four ADC channels can be used for sensors, potentiometers, battery monitoring, and simple control loops. The device is suited to compact embedded products where Flash reprogrammability, low pin count, and a straightforward programming model are more valuable than high processing bandwidth. Its CMOS construction and 8-pin integration reduce the number of external components in simple control boards.
Typical applications include small sensor nodes, temperature controllers, fan controllers, LED sequencers, battery-powered instruments, hobby robotics, and basic industrial automation modules. The device can evaluate analog inputs, drive discrete outputs, and execute control logic from a single microcontroller. For designs requiring higher memory, more peripherals, or expanded communication, related PIC devices may be preferable.
Designers should use the manufacturer pinout description and verify the 8-pin PDIP footprint, programming connections, oscillator configuration, and analog-input routing on the PCB. The A/D converter, comparator, and digital I/O share limited pins, so mixed analog and digital layouts require careful grounding and decoupling. Firmware must also account for the device's 8-bit architecture and limited peripheral resources.
This page combines the verified manufacturer and distributor information with practical application guidance, comparison notes, and engineering-oriented caveats. It is intended to help engineers identify whether the PIC12F675-I/P fits an embedded-control design before downloading the official datasheet and planning a PCB layout.
Drop-in alternatives for PIC12F675-I/P — 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 PIC12F675-I/P (same form factor and footprint) — differing in Package, Timers, Operating Temperature, Internal Oscillator, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC12F675-E/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC12F675-I/SN
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC12F683-I/P
✅ Drop-In✓ In Stock
$1.22 / Unit
View Datasheet →PIC12F629-I/P
✅ Drop-In✓ In Stock
$1.04 / Unit
View Datasheet →ATtiny13
✅ Drop-In📋 Reference alternative (not in catalog)
PIC12F675-I/P Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit CMOS Flash-based microcontroller |
| Maximum Clock Frequency | 20 MHz |
| Instruction Execution Time | 200 ns |
| Instruction Set | 35 single-word instructions |
| Program Memory | 1.75 KB Flash |
| Data EEPROM | 128 bytes |
| ADC Resolution | 10 bits |
| ADC Channels | 4 channels |
| I/O Ports | 6 I/O ports |
| Supply Voltage | 4.5 V to 5.5 V |
| Package | 8-pin PDIP |
| Mounting Type | Through-hole |
| Comparator | 1-channel comparator |
| Program Memory Type | Flash |
| Lifecycle Status | Active |
| Manufacturer | Microchip Technology |
PIC12F675-I/P Pin Configuration
| Pin 1 | VDD — Power supply |
| Pin 2 | RA5 — I/O port pin |
| Pin 3 | RA4 — I/O port pin |
| Pin 4 | RA3 — I/O port pin |
| Pin 5 | RA2 — I/O port pin |
| Pin 6 | RA1 — I/O port pin |
| Pin 7 | RA0 — I/O port pin |
| Pin 8 | VSS — Ground |
Typical Applications
PIC12F675-I/P is suitable for 6 applications: Compact Analog Sensor Interface, Temperature and Humidity Monitoring, Small Fan and Pump Controller, LED Sequencer and Indicator Panel, Battery Monitoring Module, Hobby Robotics and Embedded Control.
Compact Analog Sensor Interface
The PIC12F675-I/P fits compact analog sensor modules because it combines four ADC channels with a 10-bit converter, six I/O ports, and 1.75 KB of Flash program memory in an 8-pin PDIP package. A designer can connect resistive sensors, potentiometers, or a divided battery signal directly to suitable analog inputs, then use firmware for calibration, filtering, thresholding, and control outputs. The verified manufacturer description identifies the integrated four-channel ADC as a defining feature. Because the package exposes only eight pins, analog channels, digital outputs, programming signals, and power must be assigned together during schematic design. A stable reference and appropriate input conditioning remain important even though the ADC is integrated. The part is best for low-channel-count measurements where 10-bit resolution is sufficient and a low-cost, easily programmed MCU is preferable.
Recommended
Temperature and Humidity Monitoring
A small environmental monitor can use the PIC12F675-I/P for periodic sensor sampling, local threshold decisions, and output reporting. The four ADC channels allow multiple analog inputs to share one control device, while the 20 MHz clock and 200 ns instruction execution support responsive control logic. The 1.75 KB Flash capacity is sufficient for a compact measurement routine when the product does not require extensive data storage or complex communications. A typical circuit would sample the sensor, apply calibration, update an indicator, and drive a relay or digital output when a limit is reached. The 8-pin PDIP format is particularly convenient for prototypes, educational projects, and through-hole industrial modules where hand assembly and inspection are valuable. Firmware should include sensor settling time, input filtering, and fault handling.
Recommended
Small Fan and Pump Controller
The PIC12F675-I/P can implement a compact fan, pump, or valve controller when the system needs local analog sensing and simple timed outputs. Its six I/O ports provide enough flexibility for control signals, status LEDs, and a sensor input, while the ADC can monitor temperature, pressure, or a potentiometer representing system demand. The 20 MHz maximum clock allows responsive state-machine control without requiring a larger processor. In a practical design, the MCU can implement hysteresis, startup delay, minimum run time, and sensor-fault behavior. The 8-pin PDIP package simplifies through-hole assembly and rework compared with a fine-pitch surface-mount option. Because several peripherals share the limited pin set, the designer must reserve pins for power, programming, oscillator use, and the actuator driver. transistor or MOSFET interface and protection appropriate to the load.
Recommended
LED Sequencer and Indicator Panel
For an LED sequencer, the PIC12F675-I/P provides enough Flash program memory and I/O capability for timing patterns, button inputs, and status indicators in a small embedded module. The six I/O ports can be assigned to LED channels, switches, or a shared control signal, and the 20 MHz clock provides ample margin for deterministic timing in a simple state machine. The device's 8-pin PDIP package is useful for panel prototypes and low-volume through-hole assemblies. The ADC can also be left available for a brightness control or ambient-light input when the pin budget permits. Design guidance should include current-limiting resistors, transistor drive where required, debouncing for user inputs, and a defined behavior when firmware is reset. The MCU is appropriate when the product needs local sequencing rather than a high-bandwidth display controller.
Recommended
Battery Monitoring Module
The PIC12F675-I/P is suitable for a small battery-monitoring module because its integrated 10-bit ADC can measure a divided battery voltage while its digital outputs can report status or control a cutoff. The four-channel ADC allows additional inputs for temperature or current-related measurements, although the designer must account for the shared pin budget and analog-function multiplexing. The 1.75 KB Flash program memory is appropriate for calibration tables, threshold logic, and simple state management, while the 20 MHz clock allows periodic measurements without a large real-time operating system. A production design should include resistor-divider accuracy, input protection, calibration storage, and a defined behavior during low battery conditions. The PDIP package is convenient for prototype power systems and educational battery-management demonstrations.
Recommended
Hobby Robotics and Embedded Control
The PIC12F675-I/P is useful for small robots, educational platforms, and embedded-control experiments where an 8-bit MCU must combine sequencing, analog sensing, and discrete outputs. Its 35-single-word instruction set and 200 ns instruction execution make the control architecture approachable for students and small prototype teams. The 20 MHz clock supports responsive task execution, while Flash memory allows iterative firmware updates during development. Four ADC channels can support line sensors, distance inputs, potentiometers, or battery monitoring, and six I/O ports can drive motors through transistors, LEDs, buzzers, or simple actuators. The PDIP-8 package is easy to breadboard or solder through a socket. Engineers should nevertheless verify motor noise, supply regulation, and pin-sharing before scaling the design beyond a prototype.
Recommended
Recommended Products Summary
Engineering reference data for PIC12F675-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12F675-E/P | PIC12F675-I/SN | PIC12F683-I/P | PIC12F629-I/P | ATtiny13 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
Key Differentiators
- Integrated four-channel 10-bit ADC (vs PIC12F629-I/P)
- Same core PIC12F675 family with grade variant (vs PIC12F675-E/P)
- 20 MHz execution and 200 ns instruction timing (vs ATtiny13)
- Six I/O ports in an 8-pin PDIP package (vs PIC12F683-I/P)
Design Notes
Plan the 8-pin PDIP footprint and pin assignment together with programming, power, analog inputs, and actuator outputs. The verified device provides six I/O ports, so not every I/O function can be used simultaneously if the design also needs ADC inputs or programming signals. Follow the Microchip datasheet pinout description and reserve the required power and programming pins before placing the PCB footprint.
Keep analog inputs away from switching-node wiring and high-current return paths. The 10-bit ADC can benefit from a stable reference, properly scaled input voltage, and source impedance appropriate for the selected sampling method. Because the verified data does not specify the complete ADC acquisition network or reference implementation, use the manufacturer datasheet and validate calibration on the final board.
Do not substitute PIC12F629-I/P when the firmware depends on the target's four-channel 10-bit ADC. The verified comparison identifies the PIC12F629 as lacking the target's ADC, so the board may appear similar while the application cannot perform the required conversions. Also verify the suffix, package, temperature grade, and memory assumptions before production substitution.
The supplied search results mention PIC12F683-I/P as having more memory and features, but that does not by itself prove drop-in firmware compatibility. Review timer, interrupt, ADC, comparator, oscillator, programming, and pin-multiplexing differences against the official datasheets before replacing the target in an existing design.
Compliance Information
The supplied verified product results identify the device and manufacturer but do not provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification data. The target is an 8-bit microcontroller, so AEC-Q100 is not applicable unless a specific automotive-qualified ordering variant is identified.
