PIC16F18313T-I/SN - 8-Bit 32MHz MCU, 3.5KB Flash | Microchip
MPN: PIC16F18313T-I/SN ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.32 | $1.32 |
| 10 | $1.18 | $11.80 |
| 100 | $1.05 | $105.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.83 | $830.00 |
| 3,300 | $0.74 | $2,442.00 |
PIC16F18313T-I/SN Overview
A PIC microcontroller is a compact programmable integrated circuit based on a Harvard-architecture RISC core, widely used in embedded systems for sensor interfacing, motor control, and IoT edge nodes. The PIC16F18313 belongs to the Mid-Range 8-bit PIC family, sitting hierarchically under PIC MCU -> microcontroller -> embedded controller -> semiconductor. It integrates analog and digital peripherals plus Core Independent Peripherals (CIPs), enabling deterministic, low-CPU-overhead functions in applications such as LED driving, power conversion, and capacitive touch sensing.
Key features of the PIC16F18313 include Peripheral Pin Select (PPS) for flexible pin mapping of digital peripherals, a 10-bit ADC with up to 10 channels, a 5-bit DAC, two comparators, a numerically controlled oscillator (NCO), Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Capture/Compare/PWM (CCP), and 10-bit PWM. The XLP technology provides sleep currents in the nanoampere range and active-mode efficiencies that make the device suitable for battery-powered designs.
The architecture is built around an enhanced mid-range 8-bit CPU core with a 14-bit instruction word, hardware stack, and interrupt controller. PPS allows remapping of digital peripheral signals to most I/O pins, simplifying PCB layout. Combined with the CWG, the PIC16F18313 can synthesize dead-band-controlled half-bridge and full-bridge waveforms for switching converters and motor drives without CPU intervention.
Typical applications include IoT sensor nodes, LED lighting controllers, consumer appliances, low-power remote controls, capacitive touch user interfaces, and small motor drivers. The wide operating voltage range and rich peripheral set also support industrial sensor signal conditioning and battery chargers.
When designing with the PIC16F18313, ensure that the configuration-word settings match the application (clock source, watchdog, brown-out reset, code protection) and that unused I/O pins are configured as outputs low to minimize sleep current. A 0.1 uF decoupling capacitor placed within a few millimeters of VDD is essential for reliable ADC sampling.
This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes drawn from the Microchip datasheet and verified distributor sources, providing an engineering perspective not found in the datasheet alone.
Drop-in alternatives for PIC16F18313T-I/SN — 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/SN (same form factor and footprint) — differing in Package, ADC, Core Architecture, Operating Temperature, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18313-I/SN
✅ Drop-In✓ In Stock
$0.71 / Unit
View Datasheet →PIC16F18313T-E/SNVAO
✅ Drop-In✓ In Stock
$0.48 / Unit
View Datasheet →PIC16F18313T-I/MS
✅ Drop-In✓ In Stock
$0.58 / Unit
View Datasheet →PIC16F18313T-I/MF
✅ Drop-In✓ In Stock
$0.6 / Unit
View Datasheet →PIC16F1829-I/SO
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16F1829-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F18313T-I/SN Maximum Ratings & Electrical Characteristics
| Family | PIC16F183xx (PIC16F XLP family) |
| Core | 8-bit PIC enhanced mid-range (14-bit instruction) |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V (PIC16F variant) |
| I/O Pins | 6 (on 8-pin package) |
| ADC | 10-bit, up to 7 channels on SOIC-8 |
| DAC | 5-bit, 1 channel |
| Comparators | 2 |
| Timers | 4 (Timer0/1/2 and WWDT) |
| PWM/CCP | 2 CCP modules, 10-bit resolution |
| CWG / CLC / NCO | Yes (Complementary Waveform Generator, Configurable Logic Cell, NCO) |
| Peripheral Pin Select (PPS) | Yes |
| Communication | EUSART, I2C, SPI |
| XLP Sleep Current | nA range (per XLP datasheet) |
| Operating Temperature | -40 C to +85 C (Industrial, "I") |
| Package | 8-pin SOIC (SN = 3.90 mm SOIC, "SN" suffix) |
| Mounting Type | Surface Mount, Tape and Reel ("T") |
| RoHS Status | Compliant |
| Lead-Free / Halogen-Free | Yes (per Microchip product page) |
PIC16F18313T-I/SN Pin Configuration
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | RA5 — Bidirectional I/O with PPS; analog-capable |
| Pin 3 | RA4 — Bidirectional I/O; analog-capable; also used as ICSP data |
| Pin 4 | RA3 — Bidirectional I/O; MCLR/Vpp function shared |
| Pin 5 | RA2 — Bidirectional I/O; analog-capable |
| Pin 6 | RA1 — Bidirectional I/O; analog-capable; ICSPCLK shared |
| Pin 7 | RA0 — Bidirectional I/O; analog-capable |
| Pin 8 | VSS — Ground reference |
Typical Applications
PIC16F18313T-I/SN is suitable for 6 applications: IoT Sensor Node, LED Lighting Controller, Capacitive Touch User Interface, Low-Power Remote Control, Small Brushless DC Motor Driver, Battery Charger Controller.
IoT Sensor Node
The PIC16F18313T-I/SN fits IoT sensor nodes because of its XLP nanoampere-range sleep current and 2.3-5.5 V operating range, enabling years of battery life from a coin cell. With PPS the device can route EUSART, I2C or SPI to any I/O pin, allowing the same firmware to support multiple sensor boards. The 10-bit ADC and integrated temperature sensor provide direct sensor digitization without external analog components.
Recommended
LED Lighting Controller
The PIC16F18313T-I/SN drives LED strings via its 10-bit PWM and complementary waveform generator (CWG), which generates dead-band-controlled half-bridge and full-bridge switching signals without CPU intervention. The CLC cells implement latched over-current protection in zero CPU cycles, while PPS remaps the PWM outputs to optimize PCB layout. The 32 MHz core runs the lighting control loop at high update rates for flicker-free dimming.
Recommended
Capacitive Touch User Interface
The PIC16F18313T-I/SN implements capacitive touch via the mTouch peripheral, with the 10-bit ADC and CVD (Charge Voltage Divider) module supporting multiple touch buttons on the SOIC-8 pins. Core Independent Peripherals such as CLC and NCO offload touch processing, freeing the CPU for communication stacks. The XLP sleep modes allow the touch interface to wake the MCU on user contact with microampere standby current.
Recommended
Low-Power Remote Control
The PIC16F18313T-I/SN operates as a remote control transmitter thanks to nanoampere sleep current and fast wake-up from interrupt-on-change, supporting years of standby on a coin cell. The NCO and CCP modules generate precise carrier frequencies for IR or sub-GHz RF links. PPS allows flexible pin mapping for RF modules or IR LEDs, simplifying mechanical integration of the transmit antenna or LED.
Recommended
Small Brushless DC Motor Driver
The PIC16F18313T-I/SN drives small brushless DC motors through its CWG and 10-bit PWM, producing 6-step commutation signals that gate external MOSFET bridges via gate drivers. Back-EMF sensing uses the integrated comparators and ADC for sensorless rotor position detection, with CLC implementing hardware commutation switching. The 32 MHz instruction throughput runs sensorless algorithms in real time at 24 kHz PWM.
Recommended
Battery Charger Controller
The PIC16F18313T-I/SN monitors and controls linear or switch-mode battery chargers via its 10-bit ADC (for V/I sense) and 10-bit PWM (for duty cycle control). The CWG provides synchronous rectification switching and CLC cells implement hardware over-current protection. XLP modes allow the charger to enter standby between charge cycles, minimizing parasitic drain on the battery when the system is idle.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18313T-I/SN — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18313-I/SN | PIC16F18313T-E/SNVAO | PIC16F18313T-I/MS | PIC16F1829-I/SO | PIC16F1829-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-8 (SN) | SOIC-8 - same | SOIC-8 - same | MSOP-8 - same pin count | SOIC-8 - same | QFN-20 - different |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 14 KB | 14 KB |
| SRAM | 256 B | 256 B | 256 B | 256 B | 1024 B | 1024 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | Industrial -40 to +85 C | Industrial -40 to +85 C | Automotive VAO, -40 to +125 C | Industrial -40 to +85 C | Industrial -40 to +85 C | Industrial -40 to +85 C |
Key Differentiators
- Wide operating voltage range with XLP nanoampere sleep (vs PIC16F1829-I/SO)
- Tape-and-reel packaging for automated assembly (vs PIC16F18313-I/SN)
- Pin-compatible upgrade path with more CIPs (vs PIC16F1829-I/SO)
Design Notes
Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the VDD pin to suppress switching noise and stabilize the internal regulator. For battery applications, add a 1 uF bulk capacitor to handle peak load transients from peripherals waking the MCU. Avoid long trace lengths between VDD and the decoupling capacitor, as inductance reduces noise suppression effectiveness at high di/dt edges.
Peripheral Pin Select (PPS) simplifies routing but be aware that not all peripheral functions are available on every pin. Refer to datasheet 40001799F (Table 13-2 / Pin Allocation Tables) to confirm PPS mapping for your specific application before finalizing PCB layout. Place the ICSP programming header on a 0.1-inch 5-pin pattern (VDD, VSS, ICSPCLK, ICSPDAT, MCLR) to enable in-circuit programming.
Configuration bits must be programmed correctly to select the desired oscillator source, watchdog timer setting, brown-out reset threshold, and code protection. An unprogrammed configuration word defaults to a 4 MHz internal oscillator and watchdog enabled, which is rarely what production firmware expects. Use the MPLAB X IDE configuration-word visualizer to verify settings before flashing the part.
For ADC measurements to within 1 LSB accuracy, source impedance should be less than 5 kohm and acquisition time should be set to at least 8 us. Use the FVR (Fixed Voltage Reference) module as the ADC positive reference for ratiometric measurements rather than VDD, which varies with battery voltage. Average multiple ADC samples to reduce noise-induced variation in low-bandwidth sensor readings.
Compliance Information
Industrial temperature grade (-40 to +85 C). RoHS and REACH compliant per Microchip product page. AEC-Q100 grade available only with the VAO suffix variant (PIC16F18313T-E/SNVAO).
