PIC16F18323-E/JQ - 8-Bit XLP MCU, 32MHz, 3.5KB Flash | Microchip
MPN: PIC16F18323-E/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.86 | $1.86 |
| 10 | $1.67 | $16.70 |
| 100 | $1.49 | $149.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.18 | $1,180.00 |
PIC16F18323-E/JQ Overview
What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus, integrating CPU, RAM, non-volatile program memory (Flash/ROM), EEPROM, and peripherals such as timers, ADC, communication interfaces, and I/O on a single die. 8-bit MCUs sit at the low end of the microcontroller hierarchy (below 16-bit, 32-bit, and Cortex-M class parts) and remain dominant in cost-sensitive, low-power, deterministic-control applications such as consumer appliances, sensor nodes, IoT endpoints, and white goods. PIC microcontrollers use a Harvard architecture with separate program and data buses, optimizing deterministic instruction execution for embedded control.
Key features include Peripheral Pin Select (PPS) for flexible digital peripheral pin mapping, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), multiple communication peripherals (UART, SPI, I2C), 10-bit ADC with computation, and the XLP sleep modes that enable sub-µA standby current. The 'E' suffix denotes the -40C to +125C extended operating temperature range, and the 'JQ' suffix denotes the 16-pin UQFN-EP 4x4 mm package.
The 32MHz core provides 8 MIPS of performance with a 4-cycle instruction architecture. The XLP nanoWatt technology achieves typical sleep currents below 50 nA with retention, enabling multi-year battery life in energy-harvesting and coin-cell applications. PPS allows remapping of digital peripherals to any available I/O pin, simplifying PCB layout and enabling peripheral sharing at runtime.
Typical applications include battery-powered IoT sensor nodes, low-power wireless remote controls, smart-home sensor endpoints, wearable health monitors, and white-goods user-interface controllers. The combination of XLP sleep, PPS flexibility, and small UQFN-EP footprint suits compact, energy-constrained designs.
When designing with this device, verify the UQFN-EP exposed-pad PCB land pattern is correctly soldered for thermal dissipation - the pad is the primary heat path. Use MPLAB X IDE with XC8 compiler for code development, and consider the PIC16F18324 for designs that need more memory or I/O in the same UQFN family.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F18323-E/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 PIC16F18323-E/JQ (same form factor and footprint) — differing in Operating Temperature, Program Memory (Flash), ADC, Package, Communication Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18323-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18323T-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18324-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325-I/JQ
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18313-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18323-E/JQ Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit, Harvard |
| Family | PIC16F183xx (XLP) |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| MIPS (Peak) | 8 MIPS |
| Operating Voltage | 2.3 V to 5.5 V |
| Operating Temperature | -40C to +125C (E suffix) |
| Package | 16-pin UQFN-EP (4x4 mm) |
| ADC | 10-bit ADC with Computation |
| Communication Peripherals | UART, SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F18323-E/JQ Pin Configuration
| Pin 1 | VDD — Positive supply voltage (2.3V to 5.5V) |
| Pin 2 | RA5 — Digital I/O / analog input (with PPS) |
| Pin 3 | RA4 — Digital I/O / analog input (with PPS) |
| Pin 4 | RA3/MCLR — Digital I/O or Master Clear (reset) input |
| Pin 5 | RC5 — Digital I/O / analog input (with PPS) |
| Pin 6 | RC4 — Digital I/O / analog input (with PPS) |
| Pin 7 | RC3 — Digital I/O / analog input (with PPS) |
| Pin 8 | RC2 — Digital I/O / analog input (with PPS) |
| Pin 9 | RC1 — Digital I/O / analog input (with PPS) |
| Pin 10 | RC0 — Digital I/O / analog input (with PPS) |
| Pin 11 | RA2 — Digital I/O / analog input (with PPS) |
| Pin 12 | RA1 — Digital I/O / analog input (with PPS) |
| Pin 13 | RA0 — Digital I/O / analog input (with PPS) |
| Pin 14 | VSS — Ground reference |
| Pin 15 | RA7 — Digital I/O / analog input (with PPS) |
| Pin 16 | RA6 — Digital I/O / analog input (with PPS) |
Typical Applications
PIC16F18323-E/JQ is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Low-Power Wireless Remote Controls, Smart Home Sensor Endpoints, Wearable Health Monitors, White Goods User-Interface Controllers, Automotive Interior Lighting and Trim, Industrial Sensor Transmitters.
Battery-Powered IoT Sensor Nodes
The PIC16F18323-E/JQ suits coin-cell and 2x AA battery sensor nodes because its XLP nanoWatt sleep currents retain RAM at sub-microamp levels while keeping timers and interrupts alive. The 32 MHz core processes sensor readings in milliseconds before returning to sleep. PPS allows the I2C sensor bus and UART debug port to share pins across designs, simplifying PCB layout. The 16-pin UQFN-EP 4x4 mm footprint fits inside small sensor housings.
Recommended
Low-Power Wireless Remote Controls
The PIC16F18323-E/JQ powers sub-1 GHz or BLE remote control transmitters where standby current and button-debounce latency drive battery life. The CLC (Configurable Logic Cells) implements button-press detection in hardware without CPU wake-up, and the CWG (Complementary Waveform Generator) generates IR or RF carrier waveforms directly. Sleep currents in the nanoamp range enable multi-year coin-cell operation.
Recommended
Smart Home Sensor Endpoints
Smart-home sensors (motion, temperature, door/window, leak detection) benefit from the PIC16F18323-E/JQ's combination of low sleep current, integrated 10-bit ADC, and small footprint. PPS remaps the I2C sensor interface to any available pin, easing mechanical constraints inside sensor enclosures. The -40C to +125C extended temperature grade supports outdoor and garage installations where industrial-grade parts are insufficient.
Recommended
Wearable Health Monitors
Wearable fitness bands and health patches require sub-microamp sleep and fast wake-to-transmit cycles - both delivered by the PIC16F18323-E/JQ's XLP architecture. The 32 MHz core digitizes biosignals (heart rate, SpO2, temperature) using the 10-bit ADC with computation, then returns to sleep between samples. PPS allows the SWD/programming interface to be remapped away from analog input pins for cleaner signal acquisition.
Recommended
White Goods User-Interface Controllers
Washing machines, dishwashers, and microwave ovens use the PIC16F18323-E/JQ to drive LED indicators, scan capacitive touch buttons, and read rotary encoders. The CWG generates complementary PWM outputs for LED dimming, while the CLC implements capacitive touch scanning without CPU intervention. The -40C to +125C extended temperature rating survives the thermal environment near motors and heating elements.
Recommended
Automotive Interior Lighting and Trim
Ambient interior lighting modules in vehicles use the PIC16F18323-E/JQ to drive RGB LED strips with smooth PWM dimming via the CWG. PPS allows the LIN or CAN-FD transceiver interface to be remapped without PCB rework. The -40C to +125C extended temperature rating meets automotive cabin requirements. For underhood or AEC-Q100 applications, consider the PIC16F18323 automotive-grade Q1 variant instead.
Recommended
Industrial Sensor Transmitters
Loop-powered 4-20 mA industrial sensor transmitters use the PIC16F18323-E/JQ for low-side current regulation and 10-bit ADC digitization. The XLP sleep mode reduces current draw between sensor updates, enabling tighter loop compliance. PPS remaps the UART or SPI debug port without disturbing the analog front-end layout. The extended -40C to +125C temperature range covers factory-floor environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18323-E/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18323-I/JQ | PIC16F18323T-I/JQ | PIC16F18324-I/JQ | PIC16F18325-I/JQ | PIC16F18313-I/JQ |
|---|---|---|---|---|---|---|
| Package | 16-pin UQFN-EP (4x4 mm) | 16-pin UQFN-EP (4x4 mm) - same | 16-pin UQFN-EP (4x4 mm) - same | 16-pin UQFN-EP (4x4 mm) - same | 16-pin UQFN-EP (4x4 mm) - same | 16-pin UQFN-EP (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | 8-bit PIC, 32 MHz, 8 MIPS | 8-bit PIC, 32 MHz, 8 MIPS | 8-bit PIC, 32 MHz, 8 MIPS | 8-bit PIC, 32 MHz, 8 MIPS | 8-bit PIC, 32 MHz, 8 MIPS | 8-bit PIC, 32 MHz, 8 MIPS |
| Flash Program Memory | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 7 KB (+100%) | 14 KB (+300%) | 3.5 KB |
| Data SRAM | 256 bytes | 256 B | 256 B | 512 B (+100%) | 1 KB (+300%) | 256 B |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | Yes |
| CLC / CWG | Yes (CLC + CWG) | Yes | Yes | Yes | Yes | Limited / No |
Key Differentiators
- Extended -40C to +125C temperature range for automotive and industrial (vs PIC16F18323-I/JQ)
- Same UQFN-16 footprint as 18324 for scalable memory migration (vs PIC16F18324-I/JQ)
- Integrated CLC and CWG for hardware-implemented logic and PWM (vs PIC16F18313-I/JQ)
Design Notes
The 16-pin UQFN-EP package has an exposed thermal pad that MUST be soldered to a grounded copper pour on the PCB. The EP is the primary thermal path and also serves as the primary ground return. A land pattern with thermal vias to an internal ground plane is strongly recommended for production reliability. Skip the EP solder connection only if you accept reduced thermal performance and possible ground-return issues.
Add a 100 nF decoupling capacitor as close as possible to the VDD pin, plus a bulk capacitor (1-10 uF) on the supply rail. For XLP sleep-current-sensitive designs, ensure no high-value pull-ups leak current during sleep - use the internal weak pull-ups selectively and verify sleep current against the datasheet DC characteristics table. Estimated: at 3.3V VDD with no loads, sleep current should be below 1 uA in XLP modes.
Use Peripheral Pin Select (PPS) to route digital peripherals away from analog-input pins to reduce cross-coupling. Place the IC away from high-current switching nodes and route the analog traces over a continuous ground plane. Keep the IC's VDD trace short and place the decoupling cap within 2 mm of the VDD pin. For 32 MHz operation, ensure trace lengths for the internal oscillator are kept short.
Do not omit the MCLR pull-up if you use MCLR as a reset input - the PIC16F18323 ships with MCLR enabled by default. Disable MCLR via configuration bits only if you have a robust supply ramp. Verify the configuration bits (CONFIG1, CONFIG2) match your brown-out, watchdog, and code-protect requirements before locking the device. Mis-set configuration bits are a common cause of 'bricked' MCUs that appear non-responsive on first power-up.
Compliance Information
RoHS and REACH compliant per Microchip product page. Standard E-grade part is not AEC-Q100 qualified - for automotive applications requiring AEC-Q100, request the Q1 suffix variant (PIC16F18323-E/JQVAO or automotive-grade order code) directly from Microchip.
