PIC16F18325T-I/JQ - 8-bit 32MHz XLP MCU 14KB Flash | Microchip
MPN: PIC16F18325T-I/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.62 | $16.20 |
| 100 | $1.34 | $134.00 |
| 500 | $1.08 | $540.00 |
| 1,000 | $0.92 | $920.00 |
| 3,300 | $0.79 | $2,607.00 |
PIC16F18325T-I/JQ Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals on a single silicon die. The PIC16F18325 belongs to the PIC Microcontroller product family, within the broader 8-bit MCU category, sitting in the semiconductor hierarchy as an integrated circuit for embedded control. 8-bit MCUs are widely deployed for cost-sensitive, low-power applications where 32-bit performance is unnecessary. The PIC16F18325 specifically targets Xtreme Low Power (XLP) operation, Core Independent Peripherals (CIP), and communication peripherals for general-purpose and battery-powered applications.
Key features include 1KB of RAM, 256 bytes of EEPROM, 12 I/O pins, and Peripheral Pin Select (PPS) functionality that allows flexible mapping of digital peripherals to physical pins. The device integrates a 10-bit ADC, comparators, a 5-bit DAC, 10-bit PWM, CCP, CLC, NCO, CWG, and EUSART/SPI/I2C communication peripherals. Functional Safety (FuSa) features make this MCU suitable for safety-critical applications, while the XLP technology extends battery life in portable designs through multiple low-power modes.
The PIC16F18325 uses Microchip's enhanced mid-range 8-bit CPU core with a 14-bit instruction word and 32MHz internal oscillator, providing 8 MIPS of processing throughput. The integrated peripherals operate autonomously via CIP, offloading tasks from the CPU and reducing overall power consumption. The 16-pin UQFN package with 4x4mm footprint enables miniaturized PCB designs while maintaining 12 usable I/O pins for external interfacing.
Typical applications include IoT sensor nodes, battery-powered wearables, home automation controllers, consumer electronics, LED lighting control, low-power wireless sensor hubs, and industrial control modules. The combination of XLP technology, PPS flexibility, and CIP makes this MCU well-suited for applications requiring long battery life, flexible pin allocation, and autonomous peripheral operation without CPU intervention.
When designing with this device, leverage Core Independent Peripherals to keep the device in sleep mode as long as possible. Proper configuration of PPS registers is essential when remapping peripheral functions. The 16-pin UQFN package requires careful PCB layout with thermal vias under the exposed pad for optimal thermal performance.
This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, drop-in same-family alternatives from the Microchip PIC16F183xx portfolio, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F18325T-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 PIC16F18325T-I/JQ (same form factor and footprint) — differing in Package, Operating Temperature, Program Memory (Flash), ADC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18325-I/JQ
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18325T-I/JQVAO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F18325-E/JQ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F18325T-E/7NVAO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.08 / Unit
View Datasheet →PIC16F18326T-I/JQ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F18324T-I/SL
✅ Drop-In✓ In Stock
$0.83 / Unit
View Datasheet →PIC16F18325T-I/JQ Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC® XLP™ 16F, Functional Safety (FuSa) |
| Core | 8-bit PIC16 (14-bit instruction word) |
| CPU Speed | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 14 KB (8K x 14) |
| RAM | 1 KB |
| EEPROM | 256 bytes |
| I/O Pins | 12 |
| Package | 16-UQFN (4x4 mm) |
| Operating Voltage | 2.3 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| ADC | 10-bit |
| DAC | 5-bit |
| PWM | 10-bit |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Functional Safety (FuSa) | Yes |
| XLP (Extreme Low Power) | Yes |
| Peripheral Pin Select (PPS) | Yes |
PIC16F18325T-I/JQ Pin Configuration
| Pin 1 | RA5 — I/O port A bit 5 / PPS-mappable |
| Pin 2 | RA4 — I/O port A bit 4 |
| Pin 3 | RA3 — I/O port A bit 3 / MCLR input |
| Pin 4 | RA2 — I/O port A bit 2 |
| Pin 5 | RA1 — I/O port A bit 1 / ICSPCLK |
| Pin 6 | RA0 — I/O port A bit 0 / ICSPDAT |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — I/O port A bit 7 / OSC1 |
| Pin 9 | RA6 — I/O port A bit 6 / OSC2 |
| Pin 10 | RC0 — I/O port C bit 0 |
| Pin 11 | RC1 — I/O port C bit 1 |
| Pin 12 | RC2 — I/O port C bit 2 |
| Pin 13 | RC3 — I/O port C bit 3 |
| Pin 14 | RC4 — I/O port C bit 4 |
| Pin 15 | RC5 — I/O port C bit 5 |
| Pin 16 | VDD — Positive supply voltage (2.3V-5.5V) |
Typical Applications
PIC16F18325T-I/JQ is suitable for 7 applications: IoT Sensor Nodes, Battery-Powered Wearables, Home Automation Controllers, Consumer Electronics Remote Controls, LED Lighting Control, Industrial Control Modules, Low-Power Wireless Sensor Hubs.
IoT Sensor Nodes
The PIC16F18325T-I/JQ fits IoT sensor nodes due to its XLP nanoWatt technology (sub-uA sleep current), 14KB Flash for BLE/Zigbee host stack code, and integrated 10-bit ADC for sensor digitization. Operating from 2.3V-5.5V, it works directly from 2x AA batteries or single-cell Li-Ion without regulation. The 16-UQFN 4x4mm package enables coin-cell-sized PCB designs, while Core Independent Peripherals (CLC, NCO) operate during sleep, extending battery life to years on a single CR2032 cell.
Recommended
Battery-Powered Wearables
For battery-powered wearables like fitness trackers and smart watches, the PIC16F18325T-I/JQ's XLP technology with nanoWatt sleep modes is critical for extending battery life. The 32MHz core handles sensor fusion algorithms in active mode while spending >95% of the time in sleep. The 16-UQFN 4x4mm footprint fits wristband PCB designs, and 14KB Flash accommodates BLE host stack plus custom application code. PPS allows flexible pin mapping for SPI displays, I2C sensors, and GPIO buttons in space-constrained layouts.
Recommended
Home Automation Controllers
The PIC16F18325T-I/JQ powers home automation controllers including smart switches, dimmers, and sensor hubs. Its 12 I/O pins support multiple relay outputs, button inputs, and status LEDs. The 5-bit DAC and 10-bit PWM enable smooth LED dimming, while the EUSART/SPI/I2C interfaces connect to wireless modules or sensors. Functional Safety (FuSa) features support safety-critical applications like smoke detectors. The wide 2.3V-5.5V range simplifies designs powered directly from rectified AC or USB.
Recommended
Consumer Electronics Remote Controls
The PIC16F18325T-I/JQ is ideal for IR/RF remote controls due to its XLP sleep modes achieving years of battery life on a single coin cell. The 32MHz core supports IR protocol generation (RC5, NEC, SIRC) and RF packet encoding. The integrated CLC and PWM peripherals can generate carrier frequencies without CPU intervention, allowing the core to remain in deep sleep. The 16-UQFN package fits slim remote-control enclosures, and 14KB Flash accommodates multi-protocol universal remote firmware.
Recommended
LED Lighting Control
For LED lighting drivers and color-mixing controllers, the PIC16F18325T-I/JQ provides 10-bit PWM for smooth dimming and a 5-bit DAC for analog reference. The 32MHz core supports DMX-512, DALI, or proprietary lighting protocols, while the integrated CLC and NCO generate precise timing signals. The wide 2.3V-5.5V range supports both 3.3V and 5V LED driver designs, and 12 I/O pins can drive multiple LED channels or interface to external constant-current drivers like the MCP1642.
Recommended
Industrial Control Modules
The PIC16F18325T-I/JQ fits industrial control modules including PLCs, sensor transmitters, and motor controllers. Its 32MHz core handles PID control loops and Modbus RTU protocol stacks, while the 10-bit ADC digitizes sensor inputs (temperature, pressure, flow). The industrial -40C to +85C temperature range handles factory-floor environments. Functional Safety (FuSa) features support safety-instrumented systems (SIL-rated applications), and the 16-UQFN package fits compact DIN-rail mount enclosures.
Recommended
Low-Power Wireless Sensor Hubs
For low-power wireless sensor hubs aggregating multiple sensor inputs, the PIC16F18325T-I/JQ offers 12 I/O for multi-sensor interfacing and 14KB Flash for protocol stack code. Its XLP nanoWatt technology allows the hub to remain in sleep for years, waking periodically to poll sensors and transmit via BLE/Sub-GHz radio. The integrated EUSART interfaces directly to wireless modules, while PPS allows flexible pin assignment for SPI/I2C sensor displays. The 16-UQFN 4x4mm footprint fits compact hub enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18325T-I/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18325-I/JQ | PIC16F18325T-I/JQVAO | PIC16F18325-E/JQ | PIC16F18326T-I/JQ | PIC16F18324T-I/SL |
|---|---|---|---|---|---|---|
| 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 | 14 KB | 14 KB - same | 14 KB - same | 14 KB - same | 28 KB (+100%) | 7 KB (-50%) |
| RAM | 1 KB | 1 KB - same | 1 KB - same | 1 KB - same | 2 KB (+100%) | 512 B (-50%) |
| CPU Speed | 32 MHz | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same |
| Operating Temperature | -40C to +85C | -40C to +85C - same | -40C to +125C (automotive) | -40C to +125C | -40C to +85C - same | -40C to +85C - same |
| AEC-Q100 Automotive | No | No | Yes | No | No | No |
| EEPROM | 256 B | 256 B - same | 256 B - same | 256 B - same | 256 B - same | 256 B - same |
Key Differentiators
- More Flash memory than PIC16F18324 family (vs PIC16F18324T-I/SL)
- Automotive grade variant available (vs PIC16F18325T-I/JQVAO)
- Functional Safety (FuSa) features integrated (vs PIC16F1825T-I/JQ)
Design Notes
Leverage XLP nanoWatt sleep modes by configuring unused peripherals to OFF and using the deep-sleep current of typically <50 nA (with Watchdog Timer disabled). Use Core Independent Peripherals (CLC, NCO, CWG) to perform timing and signal generation while the core remains in sleep, waking only on interrupt. Select the internal LFINTOSC (31 kHz) for low-power timekeeping instead of the higher-power HFINTOSC. Enable the IDLE mode for short delays where the peripherals must continue operating.
The 16-UQFN (4x4mm) package requires thermal vias under the exposed pad (EP) for proper heat dissipation and electrical grounding. Place a 4x4 grid of 0.3mm thermal vias on the EP land pattern, connecting to an internal ground plane. Maintain 0.4mm trace width with 0.2mm spacing for escape routing from the fine-pitch peripheral pins. Use 0402 or 0201 passive components near the device to minimize board area and reduce parasitic inductance on decoupling capacitors (place 100nF + 10uF within 3mm of VDD pin).
PPS (Peripheral Pin Select) remapping must be configured BEFORE enabling the peripheral - configure PPS unlock sequence (PPSLOCKED = 0x55, 0xAA), set PPS register, then lock. Do not exceed VDD voltage on analog inputs (RA0-RA5, RC0-RC5); always use the internal voltage reference for ADC measurements above VDD/2. The MCLR pin (RA3) cannot be used as a general-purpose I/O without configuration - leave as reset input unless in-circuit-debugging is disabled. The ICD/ICSP pins (RA0/RA1) are required for programming and debugging.
When using the ADC, place a 100nF ceramic bypass capacitor directly on the VDD pin and ensure the analog traces are routed away from switching signals (PWM, PWM3, oscillator outputs). Use the dedicated AVSS/AVDD pins when available; on this 16-UQFN device, use VSS pin 7 and VDD pin 16 with separate analog and digital ground planes joined at a single point. For SPI communications above 4 MHz, add 33 ohm series resistors on SCK, SDO, and SDI lines to dampen ringing on long PCB traces.
Compliance Information
RoHS and lead-free status confirmed via Microchip product page. The base PIC16F18325T-I/JQ is not AEC-Q100 qualified; choose PIC16F18325T-I/JQVAO for AEC-Q100 automotive applications. The PIC16F18325 family is Functional Safety (FuSa) ready per Microchip documentation.
