PIC16F18324-I/SLVAO - 8-bit MCU 7KB Flash XLP 14-SOIC | Microchip
MPN: PIC16F18324-I/SLVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.46 | $14.60 |
| 100 | $1.28 | $128.00 |
| 500 | $1.12 | $560.00 |
| 1,000 | $0.98 | $980.00 |
PIC16F18324-I/SLVAO Overview
What is a PIC16F18324-I/SLVAO? This device belongs to the PIC (Peripheral Interface Controller) family of microcontrollers, which are RISC-based 8-bit microcontrollers manufactured by Microchip Technology. Within the broader taxonomy, PIC microcontrollers fall under microcontrollers -> microprocessors -> integrated circuits -> semiconductors. The 8-bit PIC16F series is the mid-range family, positioned between the baseline PIC10/12/16 series and the high-performance PIC18/dsPIC families. The PIC16F183xx sub-family specifically targets ultra-low-power applications with integrated Core Independent Peripherals (CIPs) that can operate without CPU intervention.
Key features include 32 MHz internal oscillator (8 MIPS performance), 10-bit ADC with computation (ADC2), 5-bit DAC, two comparators, four 8-bit timers, one 16-bit timer, PWM modules, and multiple communication interfaces including I2C, SPI, and UART with LIN support. The PPS functionality allows digital peripherals to be mapped to various pins, dramatically simplifying PCB layout. AEC-Q100 qualification makes this device suitable for automotive applications up to Grade 1 temperature ranges.
The architecture uses a Harvard RISC design with 14-bit instructions and a single accumulator (WREG) with up to 8 MHz instruction execution rate at 32 MHz oscillator. The CIPs (CLC, CWG, NCO, PWM, CCP) allow complex signal generation and timing functions to run autonomously, reducing CPU load and enabling sleep-mode operation for battery-powered designs. The XLP technology provides typical current consumption below 1 uA in deep sleep with peripheral running.
Typical applications include automotive body electronics, sensor nodes, IoT edge devices, battery-powered instruments, LED lighting control, and low-power wireless sensor hubs. The integrated ADC2 with computation enables hardware averaging and threshold comparisons, offloading typical sensor signal conditioning from the CPU.
When designing with this device, ensure proper decoupling with 100 nF ceramic capacitors placed within 3 mm of each VDD pin, and follow Microchip AN2344 PCB layout guidelines for 14-pin SOIC packages. Use PPS to optimize GPIO usage and route peripherals to non-adjacent pins to minimize signal crosstalk.
This page synthesizes distributor pricing, AEC-Q100 automotive qualification details, drop-in alternatives within the PIC16F183xx family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F18324-I/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 PIC16F18324-I/SLVAO (same form factor and footprint) — differing in Core Architecture, Package, ADC, Operating Temperature, DAC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18324-E/SLVAO
✅ Drop-In✓ In Stock
$0.93 / Unit
View Datasheet →PIC16F18324-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18323-I/SLVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325-I/SLVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18326-I/SLVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18324-E/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F18324-I/SLVAO Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| SRAM | 512 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| ADC | 10-bit, with computation (ADC2) |
| DAC | 5-bit |
| Comparators | 2 |
| Timers | 4 x 8-bit, 1 x 16-bit |
| Communication | I2C, SPI, UART (LIN-capable) |
| PWM Modules | Multiple (CCP, PWM) |
| Core Independent Peripherals | CLC, CWG, NCO, PPS |
| AEC-Q100 Qualified | Yes (Grade 1) |
| Package | 14-SOIC (3.90 mm width) |
| Pin Count | 14 |
| RoHS Status | Compliant |
| MSL Level | 1 |
| Mounting Type | Surface Mount |
PIC16F18324-I/SLVAO Pin Configuration
| Pin 1 | RA5 — General purpose I/O / PPS input / ADC channel |
| Pin 2 | RA4 — General purpose I/O / PPS input |
| Pin 3 | RA3 — General purpose I/O / PPS input / MCLR (weak pull-up) |
| Pin 4 | RC5 — General purpose I/O / PPS output |
| Pin 5 | RC4 — General purpose I/O / PPS output |
| Pin 6 | RC3 — General purpose I/O / PPS output / SCL (I2C) |
| Pin 7 | RC2 — General purpose I/O / PPS output |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RC1 — General purpose I/O / PPS output / SDA (I2C) |
| Pin 10 | RC0 — General purpose I/O / PPS output |
| Pin 11 | RA2 — General purpose I/O / DAC1 output / analog input |
| Pin 12 | RA1 — General purpose I/O / DAC1 reference / analog input |
| Pin 13 | RA0 — General purpose I/O / analog input |
| Pin 14 | VDD — Positive power supply |
Typical Applications
PIC16F18324-I/SLVAO is suitable for 7 applications: Automotive Body Electronics, Battery-Powered IoT Sensor Nodes, Industrial Control & Sensor Conditioning, LED Lighting Control & Drivers, Home Appliance User Interface, Medical & Health Monitoring Devices, Smart Home & Building Automation.
Automotive Body Electronics
The PIC16F18324-I/SLVAO is ideal for automotive body electronics applications including interior lighting controllers, door modules, and seat position sensors. The AEC-Q100 Grade 1 qualification with -40C to +125C operating range ensures reliability under hood and cabin temperature extremes. The 7 KB Flash and 512 B SRAM are sufficient for typical body control algorithms, while the integrated 10-bit ADC with computation (ADC2) handles sensor signal conditioning directly in hardware. The PPS feature allows flexible PCB routing, and the LIN-capable UART simplifies Body Control Module integration. With low sleep current below 1 uA, this MCU supports always-on wake-on-event designs that meet automotive quiescent current budgets without draining the battery.
Recommended
Battery-Powered IoT Sensor Nodes
The PIC16F18324-I/SLVAO excels in IoT sensor node designs requiring years of battery life. Its XLP (eXtreme Low Power) technology provides sub-1 uA deep sleep current with peripheral running, while the 32 MHz performance allows fast processing to minimize active time. The 10-bit ADC2 with hardware averaging reduces sensor measurement power by eliminating CPU-intensive filter routines. Core Independent Peripherals (CLC, CWG, NCO) handle timer-based sensor interrogation autonomously, allowing the CPU to remain in sleep. The 14-SOIC package fits small form-factor PCB designs. According to Microchip AN2780, typical sensor node designs using this device can achieve 10+ years of battery life on a single CR2032 coin cell.
Recommended
Industrial Control & Sensor Conditioning
In industrial control applications, the PIC16F18324-I/SLVAO provides robust signal conditioning for 4-20 mA loops, bridge sensors, and analog front-ends. The 10-bit ADC2 with computation enables oversampling and averaging in hardware, achieving effective resolution of 12+ bits. The dual comparators with DAC references support windowed sensor monitoring, generating interrupts without CPU polling. The CLC (Configurable Logic Cell) implements glue logic in hardware, replacing discrete AND/OR gates. The 14-SOIC industrial package with -40C to +125C ambient rating (VAO variant) supports harsh factory environments. AEC-Q100 qualification provides extra margin for vibration, temperature cycling, and EMC robustness in industrial installations.
Recommended
LED Lighting Control & Drivers
The PIC16F18324-I/SLVAO is well-suited for intelligent LED driver designs including architectural lighting, automotive interior/exterior LED, and signage. The CWG (Complementary Waveform Generator) produces hardware-based complementary PWM with programmable dead-band control, ideal for half-bridge LED driver topologies. The PPS feature routes PWM outputs to any available GPIO, simplifying PCB layout for multi-channel LED strings. The 5-bit DAC enables smooth analog dimming, while the 10-bit ADC monitors LED current via sense resistor feedback. The XLP technology allows battery-powered or energy-harvested LED installations. AEC-Q100 qualification supports automotive LED headlight and tail light applications.
Recommended
Home Appliance User Interface
In home appliance applications such as washing machines, dishwashers, and microwave oven controls, the PIC16F18324-I/SLVAO provides an integrated solution for user interface, sensor monitoring, and motor control. The 14-SOIC compact package fits small control PCBs. The integrated ADC reads temperature, humidity, and water level sensors directly. The PWM modules drive displays, buzzers, and small DC motors. The CLC handles timing-critical tasks like triac zero-crossing detection without CPU intervention. The UART/I2C/SPI interfaces connect to display modules, keypad controllers, and communication modules. Extended temperature range supports appliance under-counter and outdoor installations.
Recommended
Medical & Health Monitoring Devices
For portable medical and health monitoring devices like pulse oximeters, glucose meters, and wearable fitness trackers, the PIC16F18324-I/SLVAO provides the low-power compute platform with sufficient performance for sensor signal processing. The 32 MHz CPU executes FFT, FIR filtering, and pulse-oximetry algorithms in real time. The 10-bit ADC2 with oversampling achieves effective resolution suitable for biometric measurements. XLP technology extends battery life to meet medical device portability requirements. The compact 14-SOIC package suits miniaturized wearable form factors. While the /VAO variant is AEC-Q100 rather than IEC 60601 qualified, it provides the reliability baseline for non-life-critical health monitoring products.
Recommended
Smart Home & Building Automation
The PIC16F18324-I/SLVAO serves as a low-cost node controller in smart home installations for wireless sensor endpoints, smart thermostats, occupancy detectors, and door/window sensors. The integrated peripherals support direct connection to PIR sensors, temperature sensors, and reed switches. The UART/SPI/I2C interfaces connect to popular wireless modules (Sub-GHz, Bluetooth Low Energy, LoRa). The XLP technology with sub-1 uA sleep current enables multi-year battery life on standard coin cells. The PPS allows flexible PCB routing, reducing antenna placement conflicts in space-constrained sensor housings. AEC-Q100 qualification ensures long-term reliability in temperature-variable indoor environments.
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Recommended Products Summary
Engineering reference data for PIC16F18324-I/SLVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18324-E/SLVAO | PIC16F18324-I/SL | PIC16F18323-I/SLVAO | PIC16F18325-I/SLVAO |
|---|---|---|---|---|---|
| Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 7 KB | 7 KB | 4 KB | 14 KB |
| SRAM | 512 B | 512 B | 512 B | 256 B | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| AEC-Q100 Grade | Grade 1 (-40C to +125C) | Grade 1 (-40C to +125C) | Not qualified (industrial) | Grade 1 (-40C to +125C) | Grade 1 (-40C to +125C) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Core CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS |
| ADC | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 |
Key Differentiators
- AEC-Q100 Grade 1 automotive qualification (vs PIC16F18324-I/SL)
- Larger memory compared to PIC16F18323 (vs PIC16F18323-I/SLVAO)
- Peripheral Pin Select (PPS) for flexible routing (vs PIC16F18324-I/SL)
Design Notes
The PIC16F18324-I/SLVAO XLP technology enables sub-1 uA deep sleep current with peripheral running. For battery-powered designs, configure the MCU to wake from sleep via interrupt (IOC, WDT, RTC, or ADC threshold) rather than polling loops. According to Microchip AN2780, typical sensor node designs achieve 10+ years on CR2032 with proper sleep/wake duty cycling. Always use the internal 32 kHz LF oscillator for sleep timing to minimize active current during wake processing.
Place a 100 nF X7R ceramic decoupling capacitor within 3 mm of the VDD pin (pin 14) with a short, wide trace to pin 8 (VSS). For automotive designs with noisy supplies, add a 10 uF bulk capacitor near the MCU. Follow Microchip AN2344 PCB layout guidelines for 14-SOIC packages: keep crystal traces short and symmetric, route analog signals (RA0-RA2) away from digital switching signals, and provide a solid ground plane under the device to reduce EMI.
Do not use the PIC16F18324-I/SLVAO without configuring unused pins as outputs (or inputs with internal pull-up enabled). Floating inputs cause shoot-through current in CMOS gates, increasing supply current by 50-200 uA per floating pin. For automotive designs, ensure the MCLR pin (RA3) has a 10 kohm pull-up to VDD to prevent unintended resets during EMC transients. Configure the PPS feature carefully - remapping peripheral outputs changes the device ID checksum used by some automotive libraries.
When using the 10-bit ADC2 with high-impedance sensors (greater than 10 kohm source impedance), enable the ADC Acquisition Timer extension or insert a software delay before sampling to allow the internal S/H capacitor to charge fully. Use the dedicated VDD/VSS pins on the device rather than sharing supply traces with switching loads. For AEC-Q100 designs, follow Microchip AN2408 'Designing for EMC in PIC Microcontroller Applications' which provides specific layout recommendations for SOIC packages in automotive environments.
The PIC16F18324-I/SLVAO is rated for -40C to +85C ambient operation (industrial grade on /SL, automotive Grade 1 on /VAO). At 32 MHz CPU speed with all peripherals active, typical supply current is approximately 5 mA at 5V, resulting in 25 mW dissipation. The 14-SOIC package has thermal resistance of approximately 100 C/W junction-to-ambient, providing sufficient margin for industrial applications. For automotive under-hood designs requiring sustained 125C operation, ensure adequate PCB copper pour (minimum 1 square inch) to maintain junction temperature below the 150C maximum rating.
Compliance Information
AEC-Q100 Grade 1 qualified per Microchip product page. RoHS and REACH compliant per DigiKey/Mouser listings. PPAP documentation available for automotive customers through Microchip automotive quality portal.
