PIC16LF15323-I/JQ - 8-Bit XLP MCU, 3.5KB Flash, 16-UQFN | Microchip
MPN: PIC16LF15323-I/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.28 | $1.28 |
| 10 | $1.15 | $11.50 |
| 100 | $1.02 | $102.00 |
| 500 | $0.91 | $455.00 |
| 1,000 | $0.83 | $830.00 |
PIC16LF15323-I/JQ Overview
A microcontroller (MCU) is an integrated circuit containing a CPU core, program memory, RAM, and peripheral interfaces on a single die. The PIC16LF15323 belongs to the 8-bit RISC PIC16 family, which sits within the broader 8-bit microcontroller category and ultimately within embedded microcontrollers and semiconductors. Its eXtreme Low-Power (XLP) technology enables sleep currents in the nanoamp range, making the PIC16LF15323 particularly suitable for battery-powered and energy-harvesting designs.
Key features include 3.5KB self-programmable Flash, 256B SRAM, four Configurable Logic Cells for hardware-based state machines, a Complementary Waveform Generator for half-bridge drive, integrated 10-bit ADC with computation, and nanoWatt XLP sleep modes below 50 nA typical. The 16-UQFN package includes an exposed thermal pad that reduces junction-to-PCB thermal resistance and provides an additional electrical ground reference, simplifying PCB layout in dense designs.
The PIC16LF15323 architecture uses a 14-bit wide instruction word, 8-bit data path, and a 32 MHz internal oscillator. The CIP (Core Independent Peripheral) ecosystem - CLC, CWG, NCO, and PWM - allows hardware state machines to run autonomously without CPU intervention, freeing the core for application code and reducing power consumption. The integrated 10-bit ADC with automated Accumulate, Average, Burst Average, and Low-Pass Filter modes enables sensor signal conditioning without firmware overhead.
Typical applications include consumer electronics remote controls, IoT sensor nodes, low-power wireless modules, battery-powered home automation, LED lighting controllers, and small appliance control panels. The wide 1.8V-3.6V supply range allows direct operation from a single-cell Li-ion or two AA cells.
When designing with this device, allocate one of the 12 I/O pins for in-circuit serial programming (ICSP) via PGED/PGEC, keep the exposed pad soldered to a continuous ground plane for thermal and electrical performance, and leverage the CWG and CLC peripherals to offload timing-critical tasks from the CPU.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Cross-brand equivalents were identified from verified web sources and listed after same-brand Microchip alternatives.
Drop-in alternatives for PIC16LF15323-I/JQ — 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 PIC16LF15323-I/JQ (same form factor and footprint) — differing in Program Memory (Flash), ADC, Comparators, Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15323-I/JQ
✅ Drop-In✓ In Stock
$0.75 / Unit
View Datasheet →PIC16LF15324-I/JQ
✅ Drop-In✓ In Stock
$0.81 / Unit
View Datasheet →PIC16LF15325-I/JQ
✅ Drop-In✓ In Stock
$0.99 / Unit
View Datasheet →PIC16LF1454-I/JQ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.13 / Unit
View Datasheet →PIC16LF1554-I/JQ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF15323-I/JQ Maximum Ratings & Electrical Characteristics
| Product Family | PIC16(L)F153xx 8-bit Microcontrollers |
| Core | PIC16 (8-bit RISC, 14-bit instruction word) |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 B |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Number of I/O Pins | 12 |
| ADC | 10-bit, multiple channels |
| DAC | 5-bit |
| PWM Channels | 4 |
| Comparators | Yes (1+) |
| Configurable Logic Cells (CLC) | 4 |
| Complementary Waveform Generator (CWG) | Yes |
| Communication Interfaces | EUSART, SPI, I2C |
| Package / Case | 16-UQFN (4x4 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 C to +85 C (Industrial, -I) |
| RoHS Status | Compliant |
PIC16LF15323-I/JQ Pin Configuration
| Pin 1 | RA0/ICSPDAT/PGED — Bidirectional I/O / ICSP data |
| Pin 2 | RA1/ICSPCLK/PGEC — Bidirectional I/O / ICSP clock |
| Pin 3 | RA2 — Bidirectional I/O |
| Pin 4 | RA3/MCLR — Bidirectional I/O / Master Clear (reset) |
| Pin 5 | RA4 — Bidirectional I/O |
| Pin 6 | RA5 — Bidirectional I/O |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA6 — Bidirectional I/O |
| Pin 9 | RA7 — Bidirectional I/O |
| Pin 10 | RB4 — Bidirectional I/O |
| Pin 11 | RB5 — Bidirectional I/O |
| Pin 12 | RB6 — Bidirectional I/O |
| Pin 13 | RB7 — Bidirectional I/O |
| Pin 14 | VDD — Positive supply (1.8V to 3.6V) |
| Pin 15 | RC0 — Bidirectional I/O |
| Pin 16 | RC1 — Bidirectional I/O |
Typical Applications
PIC16LF15323-I/JQ is suitable for 6 applications: IoT Sensor Nodes, Consumer Remote Controls, LED Lighting Controllers, Battery-Powered Home Automation, Small Appliance Control Panels, Wearable Health Patches.
IoT Sensor Nodes
The PIC16LF15323-I/JQ's nanoWatt XLP technology delivers sleep currents below 50 nA typical and active currents in the microamp range, extending battery life for IoT sensor nodes to years on a single CR2032 coin cell. The 12 I/O pins and 16-UQFN footprint accommodate sensor interfaces like I2C temperature/humidity sensors, SPI accelerometers, or analog thermistor inputs through the 10-bit ADC. The 32 MHz core and 3.5 KB Flash comfortably run BLE/Zigbee host stack glue logic or LoRaWAN class-A device firmware with periodic wake cycles; the four CLCs allow hardware-based wake-on-event trigger logic without waking the CPU. Its 1.8V minimum VDD supports direct connection to low-voltage sensor rails without an additional LDO.
Recommended
Consumer Remote Controls
The PIC16LF15323-I/JQ's 32 MHz core, 3.5 KB Flash, and IR-friendly PWM/CWG peripherals suit universal remote control and consumer IR transmitter designs. The four PWMs can drive IR LED modulation at 36-56 kHz carrier frequencies while the CWG generates complementary drive for half-bridge IR emitter circuits, achieving longer battery life than discrete timer designs. The 16-UQFN 4x4 mm footprint fits inside slim handheld enclosures, and the 1.8V minimum VDD allows direct operation from two AAA cells (2.0-3.2 V nominal) without boost circuitry. nanoWatt XLP sleep modes let remotes sit idle for years on alkaline batteries between button presses.
Recommended
LED Lighting Controllers
The PIC16LF15323-I/JQ's four 10-bit PWM channels and Complementary Waveform Generator (CWG) provide direct half-bridge gate drive for LED drivers and small DC-DC converters used in architectural and accent lighting. The 10-bit ADC with Computation modes enables closed-loop current sensing via shunt resistor without external op-amps, while CLC blocks create hardware-based dimming curves that offload the CPU. The 5-bit DAC supports color-mixing reference voltages for RGB LED controllers. With its 1.8V minimum VDD, the part works in low-voltage LED strips using direct Li-ion or USB power rails.
Recommended
Battery-Powered Home Automation
The PIC16LF15323-I/JQ is well suited to battery-powered home automation endpoints such as wireless door/window sensors, smart thermostats remote heads, and battery-operated switches. Its nanoWatt XLP sleep modes (down to ~50 nA typical) extend coin-cell life to multi-year spans, while the 12 I/O pins accommodate reed switches, PIR motion sensors, and I2C-connected environmental sensors. The integrated EUSART and SPI peripherals provide direct host interfaces for low-power radio modules like Sub-GHz transceivers. The 1.8V minimum VDD supports direct connection to single-cell Li-ion (3.0-4.2 V) and even single-cell alkaline (0.9-1.5 V with boost) rails.
Recommended
Small Appliance Control Panels
The PIC16LF15323-I/JQ's combination of PWM, ADC, comparator, and EUSART fits small appliance controllers such as coffee makers, blenders, fans, and humidifiers. The four PWMs control motor speed or heating elements, while the comparator and 10-bit ADC monitor temperature, humidity, or current feedback. The 16-UQFN 4x4 mm package saves board space versus traditional SO-16 parts, allowing slimmer industrial designs. EUSART and I2C peripherals enable WiFi/BLE module connectivity for smart-appliance variants without redesigning the base firmware architecture.
Recommended
Wearable Health Patches
The PIC16LF15323-I/JQ's ultra-low nanoWatt XLP sleep currents and tiny 16-UQFN 4x4 mm footprint suit disposable and rechargeable wearable health patches such as continuous temperature monitors, hydration sensors, and single-lead ECG patches. The integrated 10-bit ADC with Computation modes processes biopotential and bioimpedance signals directly, while CLC blocks implement hardware-based heart-rate detection and motion artifact rejection without CPU intervention. The 1.8V minimum VDD enables direct operation from 3 V coin cells or 1.5 V silver-oxide batteries with low quiescent drain; the 32 MHz core supports on-chip DSP-style filtering in firmware.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF15323-I/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15323-I/JQ | PIC16LF15324-I/JQ | PIC16LF15325-I/JQ | PIC16LF1454-I/JQ | PIC16LF1554-I/JQ |
|---|---|---|---|---|---|---|
| Package | 16-UQFN (4x4) | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same | 16-UQFN (4x4) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 3.5 KB | 3.5 KB (same) | 7 KB (+100%) | 14 KB (+300%) | 7 KB (+100%) | 7 KB (+100%) |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V (+28% upper) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) |
| I/O Pins | 12 | 12 (same) | 14 (+17%) | 18 (+50%) | 12 (same) | 12 (same) |
| ADC | 10-bit | 10-bit (same) | 10-bit (same) | 10-bit (same) | 10-bit (same) | 10-bit (dual IADC) |
| CLC Blocks | 4 | 4 (same) | 4 (same) | 4 (same) | 0 (different) | 0 (different) |
| Complementary Waveform Generator | Yes | Yes (same) | Yes (same) | Yes (same) | No | No |
| USB Support | No | No | No | No | Yes (USB 2.0 FS) | No |
Key Differentiators
- Core Independent Peripherals (CLC, CWG, NCO) without external components (vs PIC16LF1454-I/JQ)
- Wide 1.8V-3.6V operating range for low-voltage battery designs (vs PIC16F15323-I/JQ)
- Computation ADC with automated averaging and filtering (vs PIC16LF1554-I/JQ)
Design Notes
The 16-UQFN package (4 mm x 4 mm) features a centrally located exposed thermal pad that MUST be soldered to a continuous ground plane on the PCB for electrical and thermal performance. Apply solder paste using a 4x4 or finer aperture stencil and verify assembly with X-ray inspection since the pad is hidden under the package. Missing or poor solder joints to the e-pad increase junction-to-ambient thermal resistance and degrade ADC performance due to ground bounce.
Place a 100 nF decoupling capacitor as close as possible to VDD (pin 14) and VSS (pin 7) using short, wide traces. For noise-sensitive applications (ADC, comparator, DAC), add a 10 uF bulk capacitor on the VDD rail. The PIC16LF15323's 1.8V minimum VDD allows direct operation from a single 1.5V alkaline cell with brown-out detection enabled, but verify the BOD threshold setting matches the cell's end-of-life voltage.
The MCLR pin (RA3/MCLR, pin 4) defaults to MCLR on reset; if used as a general-purpose I/O, the configuration bits must disable MCLR functionality, or the pin will reset the MCU on low logic. ICSP programming via PGED (pin 1) and PGEC (pin 2) requires dedicated access in the PCB layout - these pins cannot be repurposed for application use without disabling ICSP. For low-power sleep designs, ensure all unused I/O pins are configured as outputs low (not inputs floating) to eliminate shoot-through current in the CMOS input buffers.
Route the ICSP signals (PGED, PGEC) away from high-frequency switching nodes such as PWM outputs and oscillator traces to prevent programming failures in noisy environments. Place the quartz crystal or external oscillator within 5 mm of the OSC pins and guard the traces with ground pour. For analog-sensitive designs, isolate the ADC input traces from PWM/digital switching by routing on opposite PCB layers with a ground plane between them.
Compliance Information
RoHS compliant per Microchip product page; not AEC-Q100 qualified (industrial grade only). Conflict-mineral compliance statement available on Microchip corporate responsibility page. MSL and halogen-free status not explicitly stated in verified web data excerpts.
