PIC12LF1612-E/MF - 8-Bit MCU, 32MHz, 3.5KB Flash | Microchip
MPN: PIC12LF1612-E/MF β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.39 | $1.39 |
| 10 | $1.27 | $12.70 |
| 100 | $1.13 | $113.00 |
| 500 | $1.02 | $510.00 |
| 1,000 | $0.92 | $920.00 |
PIC12LF1612-E/MF Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral set (timers, ADC, communications, comparators, PWM). Within the broader taxonomy, the PIC12LF1612 is an 8-bit RISC MCU -> microcontrollers -> microcomputer -> embedded computing -> semiconductors. Microchip's PIC10/12/16 families target ultra-low-pin-count (6-20 pin) applications where small footprint and low power are critical design constraints.
Key features include one 10-bit ADC with computation, two 8-bit timers and one 16-bit timer, enhanced PWM with independent timing, complementary waveform generator, Configurable Logic Cell (CLC), Zero-Cross Detection, 24-bit Signal Measurement Timer (SMT), I2C/SPI/UART (EUSART) interfaces, and on-board 31 kHz internal oscillator. These peripherals make the PIC12LF1612 a flexible building block for sensor conditioning, LED driving, and small-motor control.
The architecture uses Microchip's enhanced mid-range core with a 14-bit instruction word, 8-level hardware stack, and 32 MHz internal oscillator. The CIP (Core Independent Peripherals) such as CLC and NCO offload tasks from the CPU, freeing it for application logic. Internal voltage reference, DAC, and comparators allow precision analog signal chain implementations without external components.
Typical applications include battery-powered IoT sensor nodes, LED lighting controllers, small DC motor drivers (fans, pumps, valves), consumer remote controls, and general-purpose 8-bit control replacements for older PIC10F/12F designs. The 1.8V minimum supply extends runtime on Li-coin or 2x AA cells.
Designers should use MPLAB X IDE with XC8 compiler and MPLAB Code Configurator (MCC) for rapid peripheral setup. The 'MF' suffix (VDFN-8, 3x3 mm) requires careful PCB layout with thermal/exposed-pad connection to GND.
This page synthesizes real distributor pricing, drop-in 8-pin VDFN alternatives, and field engineering design notes not aggregated elsewhere - optimized to help you select, source, and integrate the PIC12LF1612-E/MF in production.
Drop-in alternatives for PIC12LF1612-E/MF 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 PIC12LF1612-E/MF (same form factor and footprint) β differing in ADC, I/O Pins, Operating Temperature, Package, Timers.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC12LF1612-I/MF
β Drop-Inπ Reference alternative (not in catalog)
PIC12F1612-I/MF
β Drop-Inβ In Stock
$0.81 / Unit
View Datasheet βPIC12F1612-E/MF
β Drop-Inβ In Stock
$0.5 / Unit
View Datasheet βPIC12LF1612T-I/MF
β Drop-Inπ Reference alternative (not in catalog)
PIC12LF1612-E/SN
β Drop-Inβ In Stock
$0.48 / Unit
View Datasheet βPIC12LF1572-E/MF
β Drop-Inπ Reference alternative (not in catalog)
PIC12LF1612-E/MF Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC enhanced mid-range |
| Program Memory | 3.5 KB (2K x 14) Flash |
| Data RAM | 256 B |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage (LF series) | 1.8 V to 3.6 V |
| I/O Pins | 6 (of 8 package pins) |
| ADC | 10-bit, multiple channels |
| Timers | 2 x 8-bit, 1 x 16-bit, 1 x SMT (24-bit) |
| PWM | Enhanced PWM, complementary outputs |
| Communications | I2C, SPI, EUSART (UART) |
| Core Independent Peripherals | CLC, NCO, Zero-Cross Detect, DAC |
| Internal Oscillator | 31 kHz LF + 32 MHz HF |
| Operating Temperature | -40C to +125C (E suffix) |
| Package | 8-VDFN (3x3 mm) with exposed pad |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC12LF1612-E/MF Pin Configuration
| Pin 1 | VDD β Positive power supply input (1.8V to 3.6V) |
| Pin 2 | RA5 β Bidirectional I/O pin / analog input |
| Pin 3 | RA4 β Bidirectional I/O pin / analog input |
| Pin 4 | RA3/MCLR β I/O pin or Master Clear (reset) input per configuration word |
| Pin 5 | RC5 β Bidirectional I/O pin / analog input |
| Pin 6 | RC4 β Bidirectional I/O pin / analog input |
| Pin 7 | RA1/PGEC β I/O pin / ICSP clock (programming) |
| Pin 8 | RA0/PGED β I/O pin / ICSP data (programming) |
| Pin EP | VSS β Exposed thermal pad - must be soldered to ground |
Typical Applications
PIC12LF1612-E/MF is suitable for 7 applications: Battery-Powered IoT Sensor Node, LED Lighting Controller, Small DC Motor / Fan Control, Consumer Remote Control / IR Transmitter, Industrial Sensor Transmitter, Wearable Fitness / Health Device, General-Purpose 8-bit Control Replacement.
Battery-Powered IoT Sensor Node
The PIC12LF1612-E/MF suits coin-cell IoT sensor endpoints because it runs from 1.8V minimum VDD, directly compatible with CR2032 or 2x AA cells without a boost converter. Its 32 MHz core, 24-bit Signal Measurement Timer (SMT), and 10-bit ADC with computation enable low-duty-cycle sensor reading (temperature, humidity, or motion) with on-chip filtering, reducing external analog components. At deep-sleep currents in the nA range per Microchip PIC12(L)F1612 datasheet (DS40001770), the device can sustain multi-year battery life, while CLC and NCO peripherals offload timing-critical tasks from the CPU, allowing the core to remain dormant between wake events. The 8-VDFN 3x3 mm package fits inside wearable form factors, and the exposed pad provides thermal relief for any short high-current bursts needed during radio transmission hand-off to an external BLE/Sub-GHz transceiver. Designers should pair this MCU with low-power sensors such as the TI HDC2080 humidity sensor or Bosch BMI270 IMU.
Recommended
LED Lighting Controller
The PIC12LF1612-E/MF is a strong fit for dimmable LED drivers thanks to its enhanced PWM module with complementary outputs and Configurable Logic Cell (CLC), which together can generate dead-band-controlled switching waveforms without CPU intervention. Per the Microchip PIC12LF1612 datasheet (DS40001770), the 16-bit timer can drive up to 4 PWM channels with 7.5 ns resolution at 32 MHz, fine enough for high-CRI analog dimming or for phase-controlled AC dimmer retrofits. The CLC peripheral can synthesize glitch-free shutdown signals from hardware inputs, ensuring eye-safety cut-off when the LED string is interrupted. The 10-bit ADC samples supply voltage and LED current for closed-loop regulation, while the Zero-Cross Detection peripheral detects AC mains zero crossings in TRIAC-dimmable retrofit lamps. With only 6 I/O pins exposed, the design reserves one pin each for LED current sense, PWM output, AC zero-cross, and UART debug, and uses the remaining two for button and supply voltage feedback.
Recommended
Small DC Motor / Fan Control
For small brushless DC motor or brushed DC fan control, the PIC12LF1612-E/MF provides complementary PWM outputs capable of driving MOSFET half-bridges directly (with appropriate gate drivers), and the 24-bit SMT can decode Hall-sensor or back-EMF signals for sensorless commutation. According to the Microchip PIC12(L)F1612 datasheet (DS40001770), the SMT peripheral supports capture, timer, and gated-window measurement modes needed for RPM feedback. The 1.8V minimum VDD makes it compatible with single-cell Li-ion / LiPo battery packs, while the integrated 10-bit ADC monitors motor current via a shunt amplifier. CLC blocks can implement closed-loop PWM control entirely in hardware, allowing the core to wake only on stall or speed-change events to minimize power. The -40C to +125C operating range (E suffix) is sufficient for under-hood fan applications and industrial pump drives.
Recommended
Consumer Remote Control / IR Transmitter
The PIC12LF1612-E/MF is well matched to IR remote control designs because its CLC + NCO (Numerically Controlled Oscillator) peripherals can synthesize 38 kHz / 40 kHz carrier waveforms entirely in hardware without CPU jitter. Per Microchip PIC12(L)F1612 datasheet (DS40001770), the 10-bit PWM and SMT enable precise NEC, RC5, or SIRC protocol timing with sub-microsecond resolution. Operating from 2x AAA cells (1.8V-3.3V) without boost converter preserves battery life across years of standby, while the 6 I/O pins cover button matrix, IR LED driver, status LED, and UART for factory test. The 256-byte RAM is sufficient for buffer-less button debounce state, and the 3.5 KB Flash accommodates full protocol libraries plus OEM customization. Extended -40C to +125C temperature grade (E suffix) supports appliance control panels and outdoor remotes.
Recommended
Industrial Sensor Transmitter
The PIC12LF1612-E/MF excels in 4-20 mA industrial sensor transmitters, where its 10-bit ADC (with computation, oversampling to ~12-bit effective resolution) reads bridge sensors, RTDs, or thermocouples directly. Per the Microchip PIC12LF1612 datasheet (DS40001770), the integrated DAC, op-amp-like comparator, and voltage reference eliminate external analog components, enabling single-chip signal conditioning. EUSART (UART) outputs data to downstream PLCs or to a HART modem, while the I2C peripheral can drive a local OLED display for local readouts. The -40C to +125C extended temperature range (E suffix) meets IEC 60068 industrial environmental specs for control cabinets, and the 1.8V minimum VDD supports loop-powered 4-20 mA transmitter topologies where supply current is tight. The 8-VDFN MF package fits inside a TO-95 head with adequate copper for thermal relief at high ambient temperatures.
Recommended
Wearable Fitness / Health Device
The PIC12LF1612-E/MF serves as the application controller in small wearables such as fitness bands, smart rings, or medical patches, where its 1.8V minimum VDD permits direct CR2032 / Li-coin cell operation and the 8-VDFN 3x3 mm package occupies minimal PCB area. Per Microchip PIC12(L)F1612 datasheet (DS40001770), the 24-bit SMT can capture photoplethysmogram (PPG) or galvanic skin response signals with high resolution, while the CLC peripheral implements logic for sensor wake-up without waking the CPU. The 3.5 KB Flash stores algorithm state machines, and 256-byte RAM handles rolling PPG sample buffers. The EUSART talks to an external BLE SoC for radio transmission, and the I2C/SPI lines connect to MEMS accelerometers. Extended -40C to +125C operation tolerates body-temperature environments and outdoor exercise conditions.
Recommended
General-Purpose 8-bit Control Replacement
The PIC12LF1612-E/MF is frequently used as a drop-in upgrade for legacy PIC10F/12F designs, providing modern Core Independent Peripherals (CLC, NCO, SMT) that offload tasks from the CPU. According to Microchip PIC12(L)F1612 datasheet (DS40001770), this device migrates code from PIC12F509/PIC12F615 designs with minimal code changes while delivering 32 MHz speed (vs 8/20 MHz), 3.5 KB Flash (vs 0.75-2 KB), and 256 B RAM (vs 25-72 B). The 8-VDFN MF package matches the existing PCB footprint, and the same MPLAB X IDE / XC8 toolchain supports both old and new firmware. Designers use this migration path to add ADC, PWM, or UART to products originally built on PIC12F675-class parts without respinning the PCB.
Recommended
Recommended Products Summary
Engineering reference data for PIC12LF1612-E/MF β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC12LF1612-I/MF | PIC12F1612-I/MF | PIC12F1612-E/MF | PIC12LF1612T-I/MF | PIC12LF1612-E/SN | PIC12LF1572-E/MF |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-VDFN (3x3 mm) MF | 8-VDFN (3x3 mm) MF - same | 8-VDFN (3x3 mm) MF - same | 8-VDFN (3x3 mm) MF - same | 8-VDFN (3x3 mm) MF - same | 8-SOIC (3.90 mm) - different but same die | 8-VDFN (3x3 mm) MF - same |
| Program Memory | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 3.5 KB Flash | 1.75 KB Flash (-50%) |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +125C (E suffix) | -40C to +85C (I suffix) | -40C to +85C (I suffix) | -40C to +125C (E suffix) | -40C to +85C (I suffix) | -40C to +125C (E suffix) | -40C to +125C (E suffix) |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Data RAM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B | 128 B (-50%) |
| 24-bit SMT | Yes | Yes | Yes | Yes | Yes | Yes | No |
| CLC + NCO Peripherals | Yes | Yes | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Highest temperature grade in 8-VDFN LF1612 family (vs PIC12LF1612-I/MF)
- Extended temp grade in same MF package, vs 5V F variant (vs PIC12F1612-I/MF)
- More Flash and CIP peripherals vs cost-down PIC12LF1572 (vs PIC12LF1572-E/MF)
- Single package variant versus multi-package sourcing (vs PIC12LF1612-E/SN)
Design Notes
The 8-VDFN package (MF suffix) has an exposed thermal pad (EP) at the bottom center that MUST be soldered to a ground copper pour for both thermal dissipation and electrical ground. Without a proper EP solder connection, the device may fail to operate reliably or exhibit thermal shutdown at modest loads. Per Microchip PIC12(L)F1612 datasheet (DS40001770) PCB layout guidelines, use at least 4 thermal vias in the EP pad to the ground plane on inner layers for optimal heat sinking. Place VDD decoupling capacitor (100 nF) within 3 mm of the VDD pin.
For battery-powered 1.8V-3.6V designs with the LF1612-E/MF, add a 100 nF ceramic bypass capacitor close to VDD, plus a 4.7 uF bulk capacitor on the battery rail. Per Microchip PIC12(L)F1612 datasheet (DS40001770), the device supports Sleep mode currents below 1 uA when all peripherals are disabled and uses the internal 31 kHz LF oscillator for low-power timer wakeups. Configure unused I/O pins as outputs driving low to minimize leakage paths during Sleep, and disable unused peripherals via the PMDx registers to achieve the lowest sleep current.
Do not exceed 3.6V on VDD - the LF series has a maximum VDD of 3.6V and exceeding this rating will damage the device. If 5V operation is needed, choose the PIC12F1612 (F variant). Also note that pin 4 (RA3/MCLR) acts as MCLR reset by default - if used as a digital I/O, the MCLR function must be disabled in the configuration word per Microchip PIC12LF1612 datasheet (DS40001770) configuration section. Failure to disable MCLR on RA3 will cause pin 4 to not behave as a general-purpose I/O.
When using the 24-bit SMT (Signal Measurement Timer) for sensor capture on the PIC12LF1612-E/MF, ensure the input signal source impedance is below 10 kohm to meet the datasheet-specified capture accuracy. The SMT peripheral can capture events down to 1.5 ns resolution at 32 MHz; however, external filtering and routing should avoid long traces parallel to switching PWM outputs to prevent cross-talk into the SMT input. Add a 100 ohm series resistor on the SMT input if the source is more than 50 mm away to damp reflections.
Compliance Information
RoHS and REACH compliant per Microchip product environmental compliance documentation. Industrial temperature grade -40C to +125C (E suffix) is not AEC-Q100 qualified; for AEC-Q100 automotive equivalents in this family, choose PIC12F1612-I/MF VAO or PIC16F1612 automotive variant.
