PIC16F18313T-E/SNVAO - 8-bit MCU, 3.5KB Flash, XLP | Microchip
MPN: PIC16F18313T-E/SNVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.62 | $0.62 |
| 10 | $0.58 | $5.80 |
| 100 | $0.55 | $55.00 |
| 500 | $0.51 | $255.00 |
| 1,000 | $0.48 | $480.00 |
PIC16F18313T-E/SNVAO Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates an 8-bit CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), non-volatile data memory (EEPROM), digital I/O, and on-chip peripherals such as timers, ADC, PWM, and communication interfaces. The PIC16F18313 belongs to the Microchip XLP™ (eXtreme Low Power) family, which targets battery-powered and energy-harvesting applications where nanoWatt sleep currents and active-mode efficiency are critical. In the broader product hierarchy, the PIC16F18313 is a microcontroller -> embedded controller -> semiconductor device.
Key features include 6 general-purpose I/O pins, 10-bit ADC, 10-bit PWMs with CCP, CWG, and CLC, peripheral pin select (PPS) for flexible signal routing, and a wide 1.8 V to 5.5 V operating voltage range. The device supports core-independent peripherals (CIPs) such as CWG (Complementary Waveform Generator) and CLC (Configurable Logic Cell) that operate without CPU intervention, reducing power consumption and code complexity.
The PIC16F18313 architecture uses a 14-bit instruction word and Harvard bus structure with separate program and data paths, providing deterministic interrupt latency. The XLP technology delivers typical sleep currents below 100 nA, making it suitable for IoT edge nodes, sensor transmitters, and remote controls. The internal 32 MHz oscillator eliminates the need for an external crystal in many designs.
Typical applications include automotive body electronics, IoT sensor nodes, battery-powered wireless sensors, LED lighting controllers, and consumer remote controls. The AEC-Q100 automotive qualification makes it particularly suitable for in-cabin body control modules and sensor interfaces.
When designing with this MCU, note that the 8-pin SOIC limits GPIO to 6 pins; designers should use PPS to map peripheral functions to available pins. Decouple VDD with a 100 nF ceramic capacitor placed within 3 mm of the pin, and use the internal oscillator unless precise timing is required.
This page synthesizes distributor pricing, drop-in automotive and industrial alternatives, and practical design notes drawn from the Microchip PIC16F18313 datasheet family - context not assembled on any single distributor product page.
Drop-in alternatives for PIC16F18313T-E/SNVAO — 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-E/SNVAO (same form factor and footprint) — differing in Package, Program Memory (Flash), Core Architecture, I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18313-E/SNVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18313T-I/SN
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F18313T-E/RFVAO
✅ Drop-In✓ In Stock
$0.98 / Unit
View Datasheet →PIC16F18313-E/SN
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18313T-E/SNVAO Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC16F (Harvard, 14-bit instruction word) |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data EEPROM | 256 bytes |
| Data SRAM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Number of I/O Pins | 6 |
| ADC | 10-bit |
| PWM Resolution | 10-bit |
| Package | 8-SOIC (0.154", 3.90 mm width) |
| Automotive Qualification | AEC-Q100 (VAO suffix) |
| Operating Temperature | -40 °C to +125 °C (E suffix, extended) |
| Mounting Type | Surface Mount |
| MSL Level | MSL1 |
| RoHS Status | Compliant |
| Peripheral Features | CCP, CWG, CLC, PPS, EUSART |
| XLP Sleep Current | Typical < 100 nA (per family datasheet) |
PIC16F18313T-E/SNVAO Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O / ICSPCLK |
| Pin 2 | RA4 — Bidirectional I/O / AN3 / T0CKI |
| Pin 3 | RA3/MCLR — Bidirectional I/O / Master Clear (reset, active low) / VPP |
| Pin 4 | VSS — Ground reference |
| Pin 5 | VDD — Positive power supply (1.8 V to 5.5 V) |
| Pin 6 | RA2 — Bidirectional I/O / AN2 / DAC1OUT |
| Pin 7 | RA1 — Bidirectional I/O / AN1 / ICSPDAT |
| Pin 8 | RA0 — Bidirectional I/O / AN0 |
Typical Applications
PIC16F18313T-E/SNVAO is suitable for 6 applications: Automotive Body Electronics, IoT Sensor Edge Nodes, Battery-Powered Wireless Sensors, LED Lighting Controllers, Consumer Remote Controls, Industrial Sensor Interfaces.
Automotive Body Electronics
The PIC16F18313T-E/SNVAO's AEC-Q100 qualification makes it directly suitable for automotive body-control applications such as seat-position sensors, mirror-adjust controllers, interior lighting nodes, and door-module interfaces. The device operates across -40 °C to +125 °C and 1.8-5.5 V, covering the full automotive cold-crank and load-dump envelope. Core-independent peripherals (CLC, CWG) execute PWM generation and signal conditioning without CPU wake-up, minimizing quiescent draw on the battery bus. The 10-bit ADC and 10-bit PWM suffice for thermistor-based temperature sensing and LED dimming loops. XLP sleep currents below 100 nA extend quiescent life in always-on body controllers.
Recommended
IoT Sensor Edge Nodes
The PIC16F18313T-E/SNVAO's 32 MHz core, 3.5 KB Flash, and XLP nanoWatt technology suit battery-powered IoT sensor endpoints that transmit infrequently over UART, I2C, or sub-GHz radios. Sleep currents under 100 nA enable multi-year coin-cell operation in temperature, humidity, and occupancy sensors. Peripheral Pin Select (PPS) routes EUSART, MSSP, and PWM to any GPIO, simplifying PCB layout when the same FW image is reused across sensor variants. The 1.8 V minimum VDD lets the part run directly from a single alkaline AA cell at end-of-life without boost conversion.
Recommended
Battery-Powered Wireless Sensors
Wireless sensor transmitters such as LoRa, BLE beacons, and proprietary sub-GHz nodes benefit from the PIC16F18313T-E/SNVAO's combination of low sleep current, deterministic interrupt latency, and small 8-SOIC footprint. The CWG peripheral can generate timing-critical RF modulation patterns autonomously, freeing the CPU to remain in sleep until a transmission window opens. The 1.8-5.5 V range supports direct LiSOCl2, alkaline, or rechargeable Li-ion chemistries. With 6 GPIO, the MCU can connect to a sensor front-end, a low-power radio module, and an LED status indicator without external glue logic.
Recommended
LED Lighting Controllers
The PIC16F18313T-E/SNVAO's 10-bit PWM, CWG (Complementary Waveform Generator), and CLC peripherals make it well suited for compact LED driver controllers, RGB indicators, and decorative lighting strips. CWG generates complementary PWM outputs with programmable dead time - ideal for half-bridge LED drivers without external logic. The CLC can combine PWM and comparator outputs to implement hysteretic current control in hardware. Automotive AEC-Q100 qualification extends use to interior ambient lighting, running-light modules, and indicator clusters.
Recommended
Consumer Remote Controls
The PIC16F18313T-E/SNVAO is appropriate for IR/RF remote controls, key fobs, and human-interface devices that demand low BOM cost, small PCB area, and years of battery life. The 8-SOIC package keeps the MCU footprint under 30 mm², leaving room for a coin cell, IR LED, and tactile switch matrix. Sleep current below 100 nA means the cell dominates shelf-life budget rather than the MCU. PPS lets designers remap UART, PWM, and interrupt pins to optimize key-scan matrix routing without board rework.
Recommended
Industrial Sensor Interfaces
Industrial sensor transmitters, 4-20 mA loop-powered devices, and process-control front-ends benefit from the PIC16F18313T-E/SNVAO's 10-bit ADC, 1.8-5.5 V VDD, and extended temperature range. Core-independent peripherals handle sensor excitation, signal conditioning, and PWM output without CPU intervention, reducing firmware complexity and improving EMC immunity. The small 8-SOIC package enables compact sensor housings. For harsh-environment automotive variants, the VAO suffix qualifies the part per AEC-Q100 for under-hood and body-module use.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18313T-E/SNVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18313-E/SNVAO | PIC16F18313T-I/SN | PIC16F18313T-E/RFVAO | PIC16F18313-E/SN |
|---|---|---|---|---|---|
| Package | 8-SOIC (3.90 mm) | 8-SOIC - same | 8-SOIC - same | 8-SOIC (carrier tape variant) | 8-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Automotive Grade (AEC-Q100) | Yes (VAO) | Yes (VAO) | No (industrial) | Yes (VAO) | No (industrial) |
| Operating Temperature | -40 °C to +125 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +85 °C |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| SRAM | 256 B | 256 B | 256 B | 256 B | 256 B |
| I/O Pins | 6 | 6 | 6 | 6 | 6 |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 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 |
Key Differentiators
- AEC-Q100 automotive qualification in 8-SOIC (vs PIC16F18313T-I/SN)
- Smallest-footprint automotive PIC16 XLP MCU (vs PIC16F18323-E/SLVAO)
- Core-independent peripherals (CLC, CWG) reduce CPU wake-ups (vs PIC16F1823-I/ST)
Design Notes
Place a 100 nF X7R ceramic decoupling capacitor within 3 mm of the VDD pin (pin 5), with the ground return directly to the VSS pin (pin 4) via a short, wide trace. For noisy automotive environments, add a 1 µF to 10 µF bulk capacitor on VDD near the MCU. According to the Microchip PIC16F18313 family datasheet (DS40001988), VDD rise time must be monotonic and slower than the device's Power-on Reset (POR) specification - excessive rise time can cause brown-out resets during cold-crank in 12 V automotive systems.
The MCLR pin (pin 3) is shared with RA3 and is enabled as a reset pin by default. If MCLR is unused, connect it directly to VDD through a 10 kΩ pull-up resistor - do not leave MCLR floating, as the part will reset intermittently or fail to start. The ICD programming pins (ICSPCLK/ICSPDAT) are also multiplexed on RA5/RA1; if In-Circuit Serial Programming is required, do not assign these pins exclusively to internal peripherals without keeping the PPS configuration accessible.
With only 6 GPIO available, use Peripheral Pin Select (PPS) to map EUSART, MSSP (I2C/SPI), PWM, and external interrupt functions to the most convenient package pins for your PCB layout. PPS allows the same firmware image to support different pin assignments, simplifying layout when migrating between the 8-SOIC PIC16F18313 and 14-SOIC PIC16F18323. Keep ICP/ICSP traces short and isolated from high-current switching nodes to avoid programming and ADC noise issues during calibration.
For automotive sensor interfaces connected to the 10-bit ADC, use a 100 Ω source impedance or less to avoid ADC acquisition-time errors. Add an RC anti-aliasing filter (typically 1 kΩ + 100 pF) before ADC-capable pins when sampling high-frequency noise sources such as current-sense amplifiers or PWM-driven signals. The internal 1.024 V or FVR (Fixed Voltage Reference) can be used for ratiometric measurements to improve ADC accuracy across the -40 °C to +125 °C range.
Compliance Information
AEC-Q100 automotive qualified per VAO suffix per Microchip product page. RoHS and REACH compliance per DigiKey listing 10266135. Lead-free and halogen-free per Microchip packaging materials declaration.
