PIC16F18313T-I/MF - 32MHz 8-bit MCU, 3.5KB Flash | Microchip
MPN: PIC16F18313T-I/MF β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.1 | $1.10 |
| 10 | $0.98 | $9.80 |
| 100 | $0.86 | $86.00 |
| 500 | $0.77 | $385.00 |
| 1,000 | $0.69 | $690.00 |
| 3,000 | $0.6 | $1,800.00 |
PIC16F18313T-I/MF Overview
An 8-bit microcontroller (MCU) is a small, low-cost computer-on-a-chip that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM, and a set of peripherals (timers, ADC, communication interfaces) into a single IC. Within the Microchip taxonomy, the PIC16F18313 belongs to the enhanced mid-range PIC16 family, sitting between the baseline PIC10/12/16 and the PIC18/dsPIC families. It is engineered for ultra-low-power applications and is the smallest member of the PIC16F183xx series, providing a balance of analog, digital, and communication peripherals in a tiny footprint.
Key features include 6 I/O pins with Peripheral Pin Select (PPS), a 10-bit ADC, 10-bit PWM with complementary waveforms, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), and Capture/Compare/PWM (CCP) modules. eXtreme Low Power (XLP) technology delivers sleep currents in the nanoamp range, making the device ideal for battery-powered sensor nodes. The 8-VDFN 3x3 mm package with exposed thermal pad offers excellent thermal dissipation for the small footprint.
Typical applications include IoT sensor nodes, wearable fitness bands, remote controls, battery-powered medical patches, low-cost sensor interfaces, and consumer handheld devices. The combination of PPS, CLC, and CWG gives designers hardware-level state-machine capability, enabling complex timing and logic functions without CPU intervention and further reducing average power consumption.
When designing with this part, leverage the MPLAB X IDE with XC8 compiler for software development, and consider the device's nanoWatt XLP sleep modes to maximize battery life. PPS allows peripherals to be remapped to nearly any I/O pin, simplifying PCB layout and BOM reuse across product variants.
This page synthesizes distributor pricing from DigiKey, drop-in replacement analysis from Microchip's own cross-reference tools, application notes for XLP low-power design, and competitor comparisons not found on the manufacturer datasheet alone.
Drop-in alternatives for PIC16F18313T-I/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 PIC16F18313T-I/MF (same form factor and footprint) β differing in Package, ADC, Mounting Type, I/O Pins, Operating Temperature.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
PIC16LF18313T-I/MF
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F18313T-E/MF
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F18313T-I/RFVAO
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F18313T-E/SNVAO
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$0.48 / Unit
View Datasheet βPIC16F18313T-I/MFVAO
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
PIC16F18313T-I/MF Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16F enhanced mid-range 8-bit |
| Maximum CPU Frequency | 32 MHz |
| Flash Program Memory | 3.5 KB (2K x 14 words) |
| SRAM | 256 bytes |
| EEPROM | 256 bytes |
| I/O Pins | 6 |
| Package | 8-VDFN (3x3 mm) with exposed pad |
| Operating Voltage Range | 1.8 V to 5.5 V |
| ADC | 10-bit |
| PWM | 10-bit, with CCP, CWG |
| Peripheral Pin Select (PPS) | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Low-Power Technology | eXtreme Low Power (XLP) |
| Mounting Type | Surface Mount |
PIC16F18313T-I/MF Pin Configuration
| Pin 1 | VDD β Positive power supply input (1.8V to 5.5V) |
| Pin 2 | RA5 β Bidirectional I/O pin with PPS, analog-capable |
| Pin 3 | RA4 β Bidirectional I/O pin with PPS, analog-capable |
| Pin 4 | RA3/MCLR β I/O or Master Clear reset input |
| Pin 5 | RA2 β Bidirectional I/O pin with PPS, analog-capable |
| Pin 6 | RA1 β Bidirectional I/O pin with PPS, analog-capable |
| Pin 7 | RA0 β Bidirectional I/O pin with PPS, analog-capable |
| Pin 8 | VSS β Ground reference |
| Pin EP | EPAD β Exposed thermal pad - connect to VSS for thermal dissipation |
Typical Applications
PIC16F18313T-I/MF is suitable for 6 applications: IoT Wireless Sensor Node, Wearable Fitness Band, Remote Control / Consumer IR, Battery-Powered Medical Patch, Smart Home Sensor / Building Automation, Low-Cost Consumer Toy / Hobby Electronics.
IoT Wireless Sensor Node
The PIC16F18313T-I/MF is well-suited for IoT wireless sensor nodes because of its eXtreme Low Power XLP architecture, where nanoamp-level sleep currents dominate battery life over a multi-year deployment. The 32MHz core handles periodic sensor sampling, computation, and transmission bursts efficiently, then drops into deep sleep between events. Its 6 PPS-remappable I/O pins let a designer connect a low-power radio module such as the Microchip MCP2544 or LoRa transceiver to any available pin, simplifying PCB layout. The 10-bit ADC is adequate for environmental sensors (temperature, humidity, light), and 256 bytes of EEPROM can store calibration constants and node identity across power cycles. The 8-VDFN package fits within coin-cell or thin-film battery form factors typical of wireless sensor designs.
Recommended
Wearable Fitness Band
The PIC16F18313T-I/MF serves as the central MCU in compact wearable fitness bands where PCB area and power budget are extremely tight. Its 3x3 mm VDFN package leaves room for a small Li-ion or coin-cell battery, while the 6 I/O pins connect to an accelerometer, heart-rate sensor, and OLED or LED indicator. The 32MHz core can drive a simple display refresh routine, while the CLC and CWG peripherals offload pulse-generation tasks from the CPU, reducing active time and battery drain. The XLP sleep mode at sub-microamp current allows the device to idle between heart-rate samples. The 256-byte SRAM is sufficient for sensor fusion buffers in low-power step-counter algorithms.
Recommended
Remote Control / Consumer IR
In a universal remote control, the PIC16F18313T-I/MF drives IR LEDs via the Complementary Waveform Generator (CWG), producing precise 38 kHz carrier frequencies for NEC, RC5, or SIRC protocols without CPU overhead. PPS allows the IR output to be assigned to any available pin, simplifying PCB routing. The 256-byte EEPROM stores learned remote codes across user device pairings, while the 32MHz core handles button matrix scanning and protocol encoding in real time. Battery life is extended by the nanoWatt XLP sleep mode, which consumes minimal current when no buttons are pressed - a critical factor for coin-cell powered remotes that may sit idle for years.
Recommended
Battery-Powered Medical Patch
The PIC16F18313T-I/MF is appropriate for disposable or rechargeable medical patches where ultra-low power, small size, and reliability are essential. Its 1.8V minimum operating voltage allows direct connection to single-cell battery chemistries, while the XLP architecture enables multi-day or multi-week continuous monitoring on a single coin cell. The 10-bit ADC captures biosignals from low-amplitude analog front-ends, and the CLC peripheral implements hardware-level signal conditioning - reducing firmware complexity and active time. The industrial temperature range (-40C to +85C) covers body-worn operating conditions. The VDFN package's exposed thermal pad assists heat dissipation during periodic high-current radio transmissions.
Recommended
Smart Home Sensor / Building Automation
The PIC16F18313T-I/MF forms the core of battery-powered smart-home sensors such as door/window contacts, occupancy detectors, and environmental monitors. The 6 I/O pins accommodate a reed switch, PIR sensor, LED indicator, and a low-power wireless link to the home automation hub. PPS allows the wireless module to be remapped to whichever pin remains after sensor allocation, simplifying hardware variants. The 256-byte EEPROM stores device pairing keys and configuration, while the 32MHz CPU runs Zigbee or Thread commissioning sequences quickly before returning to deep sleep. The compact 3x3 mm package fits inside standard wall-mount sensor enclosures.
Recommended
Low-Cost Consumer Toy / Hobby Electronics
The PIC16F18313T-I/MF is widely used in low-cost consumer toys and hobby electronics where sub-$1 MCU cost is essential. Its 8-pin package simplifies PCB design and assembly, while the CLC peripheral creates simple state machines for blinking LEDs, driving buzzers, and responding to button presses without CPU intervention. The 10-bit PWM drives small DC motors or LED brightness, and the 32MHz core ensures smooth timing for servo control. The 3.5KB Flash supports full application code with basic user interaction. Hobbyists benefit from Microchip's free MPLAB X IDE and the PICkit 4 programmer/debugger for low-cost development.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18313T-I/MF β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF18313T-I/MF | PIC16F18313T-E/MF | PIC16F18313T-I/RFVAO | PIC16F18313T-E/SNVAO | PIC16F18313T-I/MFVAO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 8-VDFN (3x3 mm) | 8-VDFN (3x3 mm) - same | 8-VDFN (3x3 mm) - same | 8-VDFN (3x3 mm) - same | SOIC-8 (3.9 mm) | 8-VDFN (3x3 mm) - same |
| Core Architecture | PIC16F 8-bit | PIC16LF 8-bit (low voltage) | PIC16F 8-bit | PIC16F 8-bit | PIC16F 8-bit | PIC16F 8-bit |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| SRAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 3.6 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 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C |
| I/O Pins | 6 | 6 | 6 | 6 | 6 | 6 |
Key Differentiators
- eXtreme Low Power (XLP) technology with nanoamp sleep currents (vs PIC16LF18313T-I/MF)
- Industrial temperature range with low-voltage flexibility (vs PIC16F18313T-E/MF)
- Factory-traceable variant for regulated industries (vs PIC16F18313T-I/MFVAO)
- Compact 3x3 mm VDFN with exposed pad for thermal performance (vs PIC16F18313T-E/SNVAO)
Design Notes
Leverage the PIC16F18313T-I/MF's XLP sleep modes for battery-powered designs. Use the deep sleep mode (typically sub-100 nA) between sensor sampling events. Wake via WDT, IOC, or external interrupt. The active current at 32 MHz is approximately 1.4 mA (estimated at 3.3V), so duty-cycling the CPU to a sub-1% active ratio can extend battery life from weeks to years on a coin cell. Always check datasheet DS40001799F for the specific sleep current at the chosen voltage and temperature for your design.
The 8-VDFN (MF) package has an exposed thermal pad (EP) that must be soldered to a land pattern with multiple thermal vias to the ground plane. This pad is pin 9 in the package outline. Failing to properly solder the EP can cause overheating and reduced reliability. Place a ground pour directly under the MCU and connect it through at least 4 thermal vias (0.3 mm drill, 0.6 mm pad) to the inner ground layer. Keep high-current traces away from analog ADC inputs to minimize digital switching noise coupling.
Do not leave the MCLR/RA3 pin floating - configure it as MCLR with the internal pull-up enabled in the configuration words, or tie it to VDD through a 10 kohm resistor if used as an I/O. When using PPS, note that not all peripheral outputs can be mapped to all pins - refer to the PPS input/output selection tables in datasheet DS40001799F. The PIC16F18313 differs from PIC18 parts in register naming convention; ensure code targeting this device uses the correct SFR definitions for the PIC16F family.
The 10-bit ADC can be sensitive to digital switching noise from the CPU core. To minimize ADC errors, perform ADC conversions during sleep mode (using the internal RC oscillator for the ADC) or use the ADC dedicated FRC oscillator. Place a small RC filter (100 ohm + 100 nF) on noisy analog inputs. Decouple VDD with at least one 100 nF ceramic capacitor placed within 3 mm of the VDD pin, and a bulk 1 uF capacitor on the supply rail.
Compliance Information
RoHS and REACH compliance per Microchip product page; the /MF industrial variant is not AEC-Q100 qualified - choose VAO or automotive-grade variants for automotive applications.
