PIC16LF18323-E/SLVAO - 8-Bit 32MHz MCU 3.5KB Flash | Microchip
MPN: PIC16LF18323-E/SLVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.16 | $2.16 |
| 10 | $1.94 | $19.40 |
| 100 | $1.72 | $172.00 |
| 500 | $1.52 | $760.00 |
| 1,000 | $1.34 | $1,340.00 |
PIC16LF18323-E/SLVAO Overview
A PIC microcontroller (MCU) is a compact, self-contained computer-on-a-chip that integrates a CPU core, Flash program memory, data RAM, EEPROM, and a configurable set of peripheral modules such as timers, ADCs, comparators, PWM, EUSART, I2C, and SPI. Within the broader embedded hierarchy, a microcontroller belongs to the class of embedded processors, alongside microprocessors, DSPs, and FPGAs. The 8-bit PIC16 family sits at the low-power, low-pin-count end of Microchip's MCU portfolio and is widely used in cost-sensitive, energy-constrained designs such as sensor nodes, remote controls, automotive body controllers, and consumer white goods.
Key differentiating features include Peripheral Pin Select (PPS) that allows remapping of digital peripherals onto a wide range of physical pins, a 10-bit ADC with computation, multiple Enhanced Universal Synchronous/Asynchronous Receiver Transmitters (EUSART), and Core Independent Peripherals (CIPs) that execute complex timing and control functions without CPU intervention. The "LF" prefix indicates the low-voltage (1.8-3.6V) process variant, while the "VAO" suffix designates the automotive-qualified (AEC-Q100) screening tier with a -40C to +125C operating-temperature range. Together, these traits make this part a drop-in solution for designers who need a small-footprint MCU qualified for harsh-environment automotive electronics.
Typical applications for this device include automotive body and interior modules such as LED drivers, seat controllers, sensor interfaces, HVAC flaps, and simple LIN-node endpoints. The wide operating voltage and automotive-grade temperature rating also suit industrial sensor-interface PCBs, low-power IoT sensor hubs, and battery-driven handheld instruments. The integrated PWM, ADC, and CIPs reduce external component count, enabling PCB shrink in cost-sensitive designs.
When designing with this part, choose decoupling capacitors as close as possible to VDD/VSS pins and reserve the MCLR pin configuration for in-system programming. Note that AEC-Q100 qualification is required for any safety-relevant automotive subsystem, and the VAO suffix already meets this requirement. The PPS feature allows later pin-function reassignment without redesigning the PCB, which is useful for design reuse across vehicle variants.
This page synthesizes distributor pricing, automotive-grade drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a single decision-ready reference.
Drop-in alternatives for PIC16LF18323-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 PIC16LF18323-E/SLVAO (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Program Memory (Flash), Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF18323-E/SL
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16LF18323T-E/SLVAO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18323-E/SLVAO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.71 / Unit
View Datasheet →PIC16F18323-I/SLVAO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF18324-E/SL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.6 / Unit
View Datasheet →PIC16LF18323-E/SLVAO Maximum Ratings & Electrical Characteristics
| Family | PIC16F/LF183xx (XLP) |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Clock | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V (LF variant) |
| Operating Temperature | -40 C to +125 C (automotive AEC-Q100, -E suffix) |
| Package | 14-SOIC (SL), 0.154 inch / 3.90 mm body width |
| Automotive Qualification | AEC-Q100 (VAO suffix) |
| Core Independent Peripherals (CIPs) | Yes (CWG, NCO, DSM, CCP, PWM) |
| Peripheral Pin Select (PPS) | Yes |
| XLP (eXtreme Low Power) | Yes (deep sleep / sleep modes) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16LF18323-E/SLVAO Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 2 | RA5 — Digital I/O / analog input / peripheral pin-select |
| Pin 3 | RA4 — Digital I/O / analog input / peripheral pin-select |
| Pin 4 | RA3/MCLR — Digital I/O / Master Clear (reset) input |
| Pin 5 | RA2 — Digital I/O / analog input / peripheral pin-select |
| Pin 6 | RA1 — Digital I/O / analog input / peripheral pin-select |
| Pin 7 | RA0 — Digital I/O / analog input / peripheral pin-select |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7/OSC1 — Digital I/O / crystal oscillator input |
| Pin 10 | RA6/OSC2 — Digital I/O / crystal oscillator output |
| Pin 11 | RC0 — Digital I/O (PPS remappable) [DATA_NEEDED: full pin function] |
| Pin 12 | RC1 — Digital I/O (PPS remappable) [DATA_NEEDED: full pin function] |
| Pin 13 | RC2 — Digital I/O (PPS remappable) [DATA_NEEDED: full pin function] |
| Pin 14 | RC3 — Digital I/O (PPS remappable) [DATA_NEEDED: full pin function] |
Typical Applications
PIC16LF18323-E/SLVAO is suitable for 6 applications: Automotive LED Lighting Module, Battery-Powered IoT Sensor Node, Automotive Body Controller, Industrial Sensor Interface PCB, Handheld Consumer / Appliance Controller, Remote Control / Wireless HMI Keypad.
Automotive LED Lighting Module
The PIC16LF18323-E/SLVAO is well suited for automotive LED body-lighting modules thanks to its AEC-Q100 qualification, integrated 10-bit PWM, and low-power XLP architecture. At 32 MHz it generates flicker-free PWM dimming up to 16-bit resolution for sequential turn signals, daytime running lights, and interior ambient lighting. Compared with discrete LED drivers, on-chip CIPs (CWG, NCO) execute LED fade and color-mixing transitions without CPU load, reducing BOM. The 1.8-3.6V VDD window pairs directly with vehicle 3.3V rails after a single LDO, and the 14-SOIC footprint supports compact PCB designs.
Recommended
Battery-Powered IoT Sensor Node
XLP deep-sleep current down to sub-microamp levels makes the PIC16LF18323-E/SLVAO ideal for coin-cell or two-AAA battery-powered sensor nodes in industrial IoT deployments. The 3.5 KB Flash comfortably hosts Microchip's MiWi or Modbus RTU slave stacks, and the 10-bit ADC handles temperature, humidity, and analog sensor front-ends without an external ADC. PPS allows re-routing of EUSART/I2C/SPI to alternate pins, simplifying PCB antenna keepout. The 14-SOIC package is hand-solder-friendly for prototype fixtures, and 32 MHz CPU throughput processes sensor fusion at sub-ms latency.
Recommended
Automotive Body Controller
Body controllers for seat positioning, mirror folding, HVAC damper actuation, and rain/light sensing rely on the PIC16LF18323-E/SLVAO's AEC-Q100 screening and -40 C to +125 C thermal rating. Multiple EUSART channels support LIN sub-bus communication alongside the main CAN network, while on-chip PWM drives small brushed DC motors and LED indicators. The 14-SOIC SL package simplifies dense board layouts behind dashboards, and CIPs like CWG and DSM allow seamless motor commutation without firmware intervention. The LF voltage range aligns with 3.3V regulated rails after crank-start transients.
Recommended
Industrial Sensor Interface PCB
For factory-floor sensor-interface PCBs, the PIC16LF18323-E/SLVAO combines 10-bit ADC with computation, RS-485-capable EUSART, and on-chip CIPs that offload digital filtering and threshold detection from the CPU. The wide operating temperature and industrial noise tolerance make it suitable for 24V proximity sensors, photoelectric switches, and pressure transducers. The 14-SOIC package supports standard SMT assembly, and PPS enables late-stage pin reassignment when migrating from 8-pin to 14-pin product variants. Low XLP sleep current extends battery-backed installation life in remote instrumentation.
Recommended
Handheld Consumer / Appliance Controller
Washing-machine front panels, coffee-machine touch interfaces, and small kitchen appliances benefit from the PIC16LF18323-E/SLVAO's combination of PWM for motor control, capacitive touch via peripheral libraries, and 32 MHz headroom for UI animation. The LF voltage range (1.8-3.6V) supports direct connection to single-cell Li-ion batteries after regulation. CIPs reduce code size for BLDC commutation or buzzer tone generation, while the 14-SOIC footprint keeps the PCB compact and cost-effective for high-volume consumer production.
Recommended
Remote Control / Wireless HMI Keypad
Low-power RF remote controls and wireless HMI keyfobs leverage the PIC16LF18323-E/SLVAO's XLP sleep modes (<100 nA typical) and integrated EUSART/SPI for direct interfacing to sub-GHz transceivers. The 32 MHz CPU rapidly wakes to process button events and transmit, returning to sleep between user interactions, thereby extending coin-cell life to multiple years. The 14-SOIC footprint eases hand-soldered prototypes, while PPS permits flexible PCB antenna routing around the keypad matrix. Programmable CRC and AES-like peripherals enable secure wireless pairing protocols.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18323-E/SLVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF18323-E/SL | PIC16LF18323T-E/SLVAO | PIC16F18323-E/SLVAO | PIC16F18323-I/SLVAO | PIC16LF18324-E/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| Program Flash | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB |
| SRAM | 256 B | 256 B | 256 B | 256 B | 256 B | 512 B |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| AEC-Q100 | Yes | No (industrial) | Yes | Yes | Yes | No (industrial) |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C |
| CPU Clock (max) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
Key Differentiators
- AEC-Q100 automotive qualification on a 14-pin SOIC footprint (vs PIC16LF18323-E/SL)
- Smaller memory and pin count fit cost-sensitive nodes (vs PIC16LF18324-E/SL)
- Low-voltage LF process for battery systems (vs PIC16F18323-E/SLVAO)
Design Notes
Decoupling: Place a 100 nF ceramic capacitor as close as possible to each VDD/VSS pin pair, with an additional 10 uF bulk capacitor on the main 3.3V rail. The PIC16LF18323's LF voltage range (1.8-3.6V) allows the use of low-Iq LDOs such as Microchip MCP1700 to maximize sleep-mode battery life.
PPS Routing: When laying out the 14-SOIC footprint, keep digital-only and analog signal traces separated; assign PWM outputs to adjacent pins to minimize pin-change latency. Use PPS to remap EUSART/SPI onto convenient pins without PCB rework if the design migrates between PIC16LF18323 and PIC16LF18324 variants later.
Voltage Window Mismatch: Do not substitute the LF variant in 5V systems - the absolute-maximum VDD is 4.0V for LF parts. Use the F variant (PIC16F18323) when the system rail is 5V, or insert a 3.3V LDO before the MCU. Also confirm MCLR pin configuration: leaving MCLR floating can cause spurious resets; tie to VDD through 10 kOhm when not used.
Compliance Information
AEC-Q100 qualification per VAO suffix. RoHS and REACH compliance per Microchip product page. Halogen-free and lead-free per Microchip packaging materials disclosure.
