PIC16F18324-E/JQ - 8-Bit 32MHz XLP MCU 7KB Flash 16-UQFN | Microchip
MPN: PIC16F18324-E/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.59 | $1.59 |
| 10 | $1.43 | $14.30 |
| 100 | $1.22 | $122.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
| 3,000 | $0.83 | $2,490.00 |
PIC16F18324-E/JQ Overview
An 8-bit microcontroller (MCU) is a small, low-power computer-on-a-chip that integrates a CPU, non-volatile program memory, working RAM, and a set of digital and analog peripherals on a single die. Within the semiconductor hierarchy, the MCU sits under microcontroller > embedded processor > digital IC. Microchip's PIC16 mid-range family uses a 14-bit instruction word optimized for code density and deterministic interrupt response, making it popular in cost-sensitive and safety-critical embedded designs where deterministic behavior matters more than raw MIPS.
Key features include a 10-bit ADC with computation, a 5-bit DAC, two 10-bit PWMs, Capture/Compare/PWM (CCP) modules, Configurable Logic Cells (CLC), Numerically Controlled Oscillator (NCO), and Complementary Waveform Generator (CWG). eXtreme Low Power (XLP) technology delivers typical sleep currents below 100 nA, and Peripheral Pin Select (PPS) allows flexible pin remapping of digital peripherals to most I/O pins, simplifying PCB routing in space-constrained designs.
The architecture uses a RISC-style PIC16 core with a hardware stack, single-cycle instruction execution (excluding branches), and an instruction set optimized for compiled C code via Microchip's MPLAB XC8 compiler. An integrated 32 MHz high-precision internal oscillator eliminates the need for an external crystal in most applications, reducing BOM cost and board area while maintaining ±1% frequency accuracy over the full operating range.
Typical applications include IoT sensor nodes, low-power wireless devices, consumer appliances, LED lighting controllers, automotive body electronics, and functional safety subsystems. The combination of XLP and CIPs makes it well suited for battery-powered products that must wake briefly, perform a measurement, and return to deep sleep.
Designers should review the MPLAB Code Configurator (MCC) generated peripheral setup and verify ADC acquisition timing against source impedance. Use the PPS feature to route CLC outputs to desired pins, and ensure decoupling is placed within 2 mm of the VDD pin for low-EMI operation.
This page synthesizes distributor pricing, drop-in alternatives in the same 16-UQFN footprint, and practical design notes drawn from the Microchip PIC16F183xx datasheet and family brief that go beyond the raw spec list on the manufacturer product page.
Drop-in alternatives for PIC16F18324-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 PIC16F18324-E/JQ (same form factor and footprint) — differing in ADC, Operating Temperature, Package, Program Memory (Flash), Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18324-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18325-E/JQ
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1824-E/JQ
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16F18323-E/JQ
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F18344-E/JQ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16F18324-E/JQ Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 7 KB (4K x 14) |
| Data RAM | 512 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (E suffix) |
| ADC | 10-bit, with Computation |
| DAC | 5-bit |
| PWM | 10-bit, 2 channels |
| CCP Modules | Yes |
| CLC (Configurable Logic Cells) | Yes |
| NCO (Numerically Controlled Oscillator) | Yes |
| CWG (Complementary Waveform Generator) | Yes |
| PPS (Peripheral Pin Select) | Yes |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Functional Safety | FuSa-capable family (IEC 61508 SIL-ready) |
| Package | 16-pin UQFN (4x4 mm) with exposed pad |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F18324-E/JQ Pin Configuration
| Pin 1 | RA0/ICDDAT — Bidirectional I/O / ICD Data |
| Pin 2 | RA1/ICDCLK — Bidirectional I/O / ICD 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 | RB4 — Bidirectional I/O |
| Pin 9 | RB5 — Bidirectional I/O |
| Pin 10 | RB6/ICSPCLK — Bidirectional I/O / ICSP Clock |
| Pin 11 | RB7/ICSPDAT — Bidirectional I/O / ICSP Data |
| Pin 12 | RC0 — Bidirectional I/O |
| Pin 13 | RC1 — Bidirectional I/O |
| Pin 14 | RC2 — Bidirectional I/O |
| Pin 15 | RC3 — Bidirectional I/O |
| Pin 16 | VDD — Positive supply voltage |
Typical Applications
PIC16F18324-E/JQ is suitable for 6 applications: Battery-Powered IoT Sensor Node, Automotive Body Electronics, LED Lighting Controller, Functional Safety Subsystem, Consumer Appliance Control Board, Industrial Process Sensor Interface.
Battery-Powered IoT Sensor Node
The PIC16F18324-E/JQ is well suited for coin-cell or 2xAA battery IoT sensor nodes because of Microchip's eXtreme Low Power (XLP) technology, which delivers typical sleep current below 100 nA with RTC active. The integrated 32 MHz internal oscillator eliminates an external crystal, reducing BOM cost and quiescent draw. The Core Independent Peripherals (CLC, NCO, CWG) let the MCU wake briefly, drive a sensor via I2C or SPI, perform ADC conversion with computation, and return to deep sleep without CPU intervention, enabling duty cycles below 1% and multi-year battery life on a 240 mAh CR2032.
Recommended
Automotive Body Electronics
The PIC16F18324-E/JQ's -40 C to +125 C extended temperature range and Functional Safety (FuSa) documentation make it a strong fit for non-safety-critical body modules such as seat controllers, mirror adjusters, interior lighting, and accessory multiplexers. Peripheral Pin Select (PPS) eases PCB routing when driving LIN or PWM-controlled loads. The 10-bit PWM with Complementary Waveform Generator (CWG) and programmable dead-band allows direct half-bridge drive of small DC motors and LED backlights without external timing ICs.
Recommended
LED Lighting Controller
The PIC16F18324-E/JQ's two 10-bit PWM channels and Complementary Waveform Generator (CWG) with programmable dead-band deliver flicker-free dimming for architectural and architectural-grade LED fixtures. Configurable Logic Cells (CLC) enable hardware-based fault handling and current-foldback without CPU latency, critical for safety and reliability. The Numerically Controlled Oscillator (NCO) provides fine-grained frequency synthesis for DALI or 0-10 V dimming interfaces while offloading the main CPU for higher-level protocol handling and connectivity.
Recommended
Functional Safety Subsystem
As part of Microchip's Functional Safety (FuSa) capable family, the PIC16F18324-E/JQ ships with IEC 61508 SIL-ready documentation, FMEDA, and diagnostic libraries to simplify SIL-2 sensor and actuator subsystems. The Core Independent Peripherals (CIPs) provide deterministic timing for safety loops, while the Windowed Watchdog Timer (WWDT) and CRC/SCAN memory self-test detect single-event faults. The compact 16-UQFN (4x4 mm) package allows safety integration into space-constrained industrial sensors and motor starters.
Recommended
Consumer Appliance Control Board
The PIC16F18324-E/JQ powers small kitchen and home appliances such as coffee machines, rice cookers, and air purifiers where 8-bit cost efficiency, 5 V tolerance, and precise PWM control matter. The CWG generates complementary drive signals for triac-based heater control, while the 10-bit ADC with computation averages thermistor inputs for closed-loop temperature regulation. PPS allows the same PCB to route signals for different SKUs without redesign, reducing time-to-market for product variants.
Recommended
Industrial Process Sensor Interface
The PIC16F18324-E/JQ's 10-bit ADC with computation, 5-bit DAC, and 32 MHz core handle 4-20 mA loop-powered sensor interfaces and HART modem signaling in industrial process instrumentation. The wide 1.8 V to 5.5 V supply range allows direct connection to 24 V loop power through a simple linear regulator, while the 256-byte EEPROM stores calibration constants over decades of field use. Functional Safety documentation supports deployment in IEC 61508 SIL-2 process measurement loops where deterministic response and self-diagnostics are mandatory.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18324-E/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18324-I/JQ | PIC16F18325-E/JQ | PIC16F18323-E/JQ | PIC16F1824-E/JQ | PIC16F18344-E/JQ |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-UQFN (4x4 mm) | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same | 16-UQFN (4x4 mm) - same |
| Flash Memory | 7 KB (4K x 14) | 7 KB (4K x 14) | 14 KB (8K x 14) | 3.5 KB (2K x 14) | 7 KB (4K x 14) | 7 KB (4K x 14) |
| RAM | 512 bytes | 512 bytes | 1 KB | 512 bytes | 256 bytes | 512 bytes |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
| PPS (Peripheral Pin Select) | Yes | Yes | Yes | Yes | No | Yes |
| CLC / NCO / CWG | Yes | Yes | Yes | Yes | No | Yes (more CLC instances) |
| Functional Safety (FuSa) | Yes (IEC 61508 SIL-ready docs) | Yes | Yes | Yes | No | Yes |
Key Differentiators
- Extended -40 C to +125 C operating temperature with FuSa documentation (vs PIC16F18324-I/JQ)
- Core Independent Peripherals (CLC, NCO, CWG) integrated on-chip (vs PIC16F1824-E/JQ)
- PIC16 mid-range 14-bit core with full CIP set at 16 pins (vs PIC16F18323-E/JQ)
Design Notes
The PIC16F18324-E/JQ operates from 1.8 V to 5.5 V, but at full 32 MHz the minimum VDD is 2.5 V per the datasheet. Place a 100 nF decoupling capacitor within 2 mm of the VDD pin and a bulk 1 uF to 10 uF near the package exposed pad. For battery-powered designs using XLP sleep modes below 100 nA, ensure no pull-ups leak current when the MCU is in deep sleep; configure all unused I/O as outputs low and disable the MCLR internal pull-up via configuration bits.
Do not assume the PIC16F18324 family supports every peripheral of the larger PIC16F18345 - the 16-pin UQFN exposes only 12 user I/O and not every peripheral signal is bonded out. Use MPLAB Code Configurator (MCC) or the device-specific pinout table to confirm availability of CLC inputs, PWM outputs, and ADC channels before committing to a design. PPS mapping must be reconfigured after each reset because the default PPS mapping is the device's reset-state peripheral assignment, not the user's chosen mapping.
The 16-UQFN (4x4 mm) package has a center exposed thermal pad that must be soldered to a land pattern at least the size of the pad with multiple thermal vias to the inner ground plane. This pad is the device's primary VSS connection; failing to solder it can cause erratic behavior and overheating. Route ADC analog signals away from PWM and PWM-complementary switching nodes, and keep the external crystal traces (if used) short and guarded with a ground ring to minimize EMI pickup on the internal oscillator reference.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified, but the PIC16F18324 family is part of Microchip's Functional Safety (FuSa) capable family with IEC 61508 SIL-ready FMEDA, diagnostic libraries, and safety manual. For AEC-Q100 Grade 1 automotive qualification, choose the automotive-suffix variant.
