PIC16LF18323T-E/SLVAO - 8-bit MCU, 3.5KB Flash, 32MHz, AEC-Q100 | Microchip
MPN: PIC16LF18323T-E/SLVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.65 | $1.65 |
| 10 | $1.48 | $14.80 |
| 100 | $1.32 | $132.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16LF18323T-E/SLVAO Overview
An 8-bit microcontroller (MCU) is a small, self-contained computing core that integrates a CPU, non-volatile program memory, working RAM, and a range of on-chip peripherals in a single IC. Within the broader semiconductor taxonomy, this places the PIC16LF18323 in the microcontroller -> MCU -> 8-bit MCU -> PIC16 family -> low-power XLP subfamily hierarchy. The LF prefix denotes the wide-voltage 1.8V-3.6V operating range that enables battery-powered and energy-harvesting designs.
Key features include 12 configurable I/O pins with Peripheral Pin Select (PPS), a 10-bit ADC, 10-bit PWMs, two Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Capture/Compare/PWM (CCP) modules. The device delivers extreme low-power operation typical of the XLP family, including nanoWatt XLP sleep modes that draw only tens of nA, making it well-suited for always-on automotive sensor nodes.
Architecturally the PIC16LF18323 uses a RISC-based enhanced mid-range CPU core with 49 instructions and a hardware multiplier-free instruction set optimized for deterministic interrupt response. On-chip Core Independent Peripherals (CIPs) such as the CLC, CWG, and CCP operate without CPU intervention, offloading timing-critical tasks and allowing the core to remain in deep sleep.
Typical applications include automotive body controllers, sensor interface modules, LED lighting controllers, and HVAC climate controls. The wide operating voltage and AEC-Q100 automotive qualification also suit industrial IoT, smart sensor, and home appliance designs requiring long battery life.
When designing with this part, observe the Automotive grade temperature range of -40C to +125C and provide adequate decoupling close to VDD. The PPS feature lets remap digital peripherals to most I/O pins, which simplifies PCB layout but requires configuration during initialization.
This page synthesizes distributor pricing, same-FAOs drop-in alternatives, and practical design notes not assembled in any single manufacturer document, giving engineers a single reference for selection, sourcing, and PCB layout decisions.
Drop-in alternatives for PIC16LF18323T-E/SLVAO — 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 PIC16LF18323T-E/SLVAO (same form factor and footprint) — differing in Package, ADC, Operating Temperature, DAC, Core Independent Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF18323-I/SL
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16LF18323T-I/SLVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF18323-E/SL
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16F18323T-E/SLVAO
✅ Drop-In✓ In Stock
$0.72 / Unit
View Datasheet →PIC16LF1823T-I/SL
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16LF18323T-E/SLVAO Maximum Ratings & Electrical Characteristics
| Core Processor | PIC16 |
| Core Size | 8-bit |
| Program Memory Size | 3.5 KB (2K x 14) Flash |
| RAM Size | 256 B |
| EEPROM Size | 256 B |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (Vcc) | 1.8 V to 3.6 V |
| Number of I/O Pins | 12 |
| ADC | 10-bit |
| PWM Channels | 10-bit |
| Package | 14-SOIC (0.154", 3.90 mm width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (Automotive Grade E) |
| AEC-Q100 Qualification | Qualified (VAO suffix) |
| Core Independent Peripherals | CLC, CWG, NCO, CCP, PPS |
PIC16LF18323T-E/SLVAO Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O with PPS; analog capable |
| Pin 2 | RA4 — Bidirectional I/O with PPS; analog capable |
| Pin 3 | RA3 — Bidirectional I/O with PPS; MCLR alternate function |
| Pin 4 | RA2 — Bidirectional I/O with PPS; analog capable |
| Pin 5 | RA1 — Bidirectional I/O with PPS; analog capable |
| Pin 6 | RA0 — Bidirectional I/O with PPS; ICSPDAT alternate |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O with PPS; OSC1 alternate |
| Pin 9 | RA6 — Bidirectional I/O with PPS; OSC2 alternate |
| Pin 10 | RC0 — Bidirectional I/O with PPS; analog capable |
| Pin 11 | RC1 — Bidirectional I/O with PPS; analog capable |
| Pin 12 | RC2 — Bidirectional I/O with PPS; analog capable |
| Pin 13 | RC3 — Bidirectional I/O with PPS; analog capable |
| Pin 14 | VDD — Positive supply input (1.8V to 3.6V) |
Typical Applications
PIC16LF18323T-E/SLVAO is suitable for 6 applications: Automotive Body Control Module, Battery-Powered IoT Sensor Node, HVAC Climate Control Interface, LED Lighting Controller, Industrial Sensor Interface Module, Smart Appliance Control Board.
Automotive Body Control Module
The PIC16LF18323T-E/SLVAO suits automotive body controllers with its AEC-Q100 VAO qualification, -40C to +125C operating range, and 12 PPS-mappable I/O pins. Its 32 MHz CPU executes 8 MIPS, sufficient for CAN-LIN gateway logic, door/window multiplexing, and switch debouncing. The LF 1.8V-3.6V rail tolerates cranking transients on 12V vehicle buses when paired with a pre-regulator. On-chip CLC and CWG handle seat-motor H-bridge timing without CPU wakeup, while the 256B EEPROM stores trim and diagnostic non-volatile data across vehicle lifetime.
Recommended
Battery-Powered IoT Sensor Node
The PIC16LF18323T-E/SLVAO fits battery-powered IoT sensors due to its nanoWatt XLP sleep currents in the 30-50 nA range and 1.8V minimum VDD, allowing direct operation from a single CR2032 Li-coin cell. The 10-bit ADC and CLC let the device perform wake-on-threshold sensor sampling autonomously, with the NCO generating precise timing intervals without CPU intervention. Three-year-plus battery life is achievable at 1% duty-cycle wake profiles. PPS remaps the UART/SPI to any I/O, simplifying PCB antenna-routing for sub-GHz companion radios.
Recommended
HVAC Climate Control Interface
The PIC16LF18323T-E/SLVAO is well suited to HVAC climate-control human-machine interfaces, driving LED-backlit key matrices and triac-cores via the Complementary Waveform Generator (CWG). Its 32 MHz CPU handles UI debouncing, NTC temperature conversion via the 10-bit ADC, and PWM fan-speed control all concurrently. The AEC-Q100 grade covers under-dash installations, and 3.5KB Flash accommodates lookup tables for fan curves and PID coefficients. EEPROM stores user-set temperatures across power cycles, and PPS allows flexible PCB routing of display and keypad connections.
Recommended
LED Lighting Controller
The PIC16LF18323T-E/SLVAO drives multi-channel LED strings via its 10-bit PWMs and CWG, achieving smooth dimming without external driver ICs. The 32 MHz instruction rate enables DMX-512 or DALI protocol decoding in software, while CLCs perform hardware fault detection (open/short LED) without CPU wake. LF 1.8V-3.6V operation allows direct connection to a buck-converter output without a separate regulator. AEC-Q100 qualification suits commercial-vehicle interior lighting and architectural fixtures with extended temperature operation.
Recommended
Industrial Sensor Interface Module
The PIC16LF18323T-E/SLVAO integrates analog and digital sensor interfaces for industrial modules, with 12 I/O handling 4-20 mA loop inputs, dry-contact switches, and RS-485 transceivers via PPS-mapped UART. The 10-bit ADC and op-amp core-independent peripherals condition sensor signals without CPU load. AEC-Q100 grade covers factory-floor temperature swings, and 256B EEPROM stores calibration constants. The 32 MHz core processes Modbus RTU frames at 115200 baud in real time, with the CWG generating accurate timing pulses for ultrasonic flowmeters.
Recommended
Smart Appliance Control Board
The PIC16LF18323T-E/SLVAO controls smart home appliances such as washing machines, dishwashers, and refrigerators, where its 12 I/O manage user keypads, rotary encoders, and triac-driven motor/valve loads. The CLC and CWG perform zero-cross switching and overcurrent detection without CPU intervention, while the 32 MHz core handles user-interface state machines and diagnostic logging. AEC-Q100 grade covers the +125C peaks inside appliance enclosures, and LF 1.8V operation supports direct connection to a single-cell backup battery during power-loss events.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18323T-E/SLVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF18323-I/SL | PIC16LF18323T-I/SLVAO | PIC16LF18323-E/SL | PIC16F18323T-E/SLVAO | PIC16LF1823T-I/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same |
| Core Size | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| RAM | 256 B | 256 B | 256 B | 256 B | 256 B | 128 B |
| Supply Voltage | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 2.3 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C (Automotive E) | -40C to +85C (Industrial I) | -40C to +85C (Industrial I) | -40C to +125C (Automotive E) | -40C to +125C (Automotive E) | -40C to +85C (Industrial I) |
| AEC-Q100 Qualified | Yes (VAO) | No (Industrial) | Yes (VAO) | Yes | Yes (VAO) | No (Industrial) |
| I/O Count | 12 | 12 | 12 | 12 | 12 | 12 |
Key Differentiators
- Automotive VAO AEC-Q100 qualification at low cost (vs PIC16LF18323-I/SL)
- Wider operating voltage at lower limit (vs PIC16F18323T-E/SLVAO)
- Larger RAM vs older sibling (vs PIC16LF1823T-I/SL)
Design Notes
Estimated: at 32 MHz and 3.3V VDD, the PIC16LF18323T-E/SLVAO draws roughly 3-4 mA active; in deep sleep with RTC running the LF XLP mode drops to 30-50 nA. Place a 100 nF decoupling capacitor within 3 mm of VDD (pin 14) and VSS (pin 7), and add a 10 uF bulk cap on the supply rail. Avoid high-impedance traces to VDD to prevent brown-out resets during inrush.
Use PPS to remap digital peripherals (UART, SPI, PWM, CLC) to any I/O pin, simplifying PCB routing when the MCU sits between large connectors. Keep ADC traces short and guarded by a ground ring to reduce digital switching noise coupling into analog readings. For AEC-Q100 layouts, follow IPC-9592 power-conversion guidelines for thermal relief on the VDD pin land pattern.
Do not use the F variant (PIC16F18323, 2.3V-5.5V) in designs that require sub-2.3V operation; the LF variant (1.8V-3.6V) is mandatory below 2.3V. Ensure MCLR is either tied to VDD through a 10 kohm resistor or left as a reset input with proper ESD protection. Watch the I-temp vs E-temp distinction: the I-temp version will fail above +85C, and the E version is required for under-hood or appliance interiors.
Compliance Information
AEC-Q100 qualified per VAO suffix in the MPN. RoHS and REACH compliance declared on Microchip product page. Lead-free and halogen-free per Microchip packaging materials disclosure.
