PIC16F18424-E/SL - 8-bit 32MHz XLP MCU 7KB Flash SOIC-14 | Microchip
MPN: PIC16F18424-E/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.32 | $1.32 |
| 10 | $1.18 | $11.80 |
| 100 | $1.02 | $102.00 |
| 500 | $0.87 | $435.00 |
| 1,000 | $0.74 | $740.00 |
| 3,000 | $0.62 | $1,860.00 |
PIC16F18424-E/SL Overview
An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating a CPU core, non-volatile program memory, volatile data memory, and a rich set of peripherals (ADC, timers, communication ports). The PIC16F18424 specifically is part of the PIC16 -> PIC microcontroller -> 8-bit MCU -> embedded microcontroller -> semiconductor taxonomy, and supports 2.5V/3.3V/5V operation across industrial and consumer applications.
Key features include 7 KB (4K x 14) of self-programmable Flash, 12-bit ADCC with computation, two PWMs, a comparator, a 5-bit DAC, a Complementary Waveform Generator (CWG), EUSART, SPI, and I2C. The device offers up to 12 I/O pins, runs from 1.8V to 5.5V (F-version, 32 MHz), and supports the eXtreme Low Power sleep mode for battery-driven designs.
Technically, the PIC16F18424 uses a 14-bit instruction width RISC architecture with a modified Harvard bus structure, allowing single-cycle instruction execution except for branches. The 12-bit ADC with Computation (ADCC) automates averaging, filtering, and threshold comparison, offloading CPU cycles. Built-in peripheral pin select simplifies PCB routing by remapping digital functions across most I/O pins.
Typical applications include IoT sensor nodes, battery-powered wearables, home appliances, lighting controls, industrial sensor interfaces, and low-cost motor control. The XLP mode is particularly valuable for energy-harvesting designs where quiescent current dominates total energy budget.
When designing with this part, configure the configuration words (CONFIG1/CONFIG2) at the top of every C source to set oscillator, watchdog, and code-protect behavior. An external decoupling capacitor of 100 nF placed within 5 mm of VDD is required to meet the noise-immunity specification under 32 MHz operation.
This page consolidates current distributor pricing, verified drop-in alternatives, and practical design notes that complement the manufacturer datasheet.
Drop-in alternatives for PIC16F18424-E/SL — 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 PIC16F18424-E/SL (same form factor and footprint) — differing in ADC, Package, Comparators, I/O Pins, Data SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18324-E/SL
✅ Drop-In✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F1824-E/SL
✅ Drop-In✓ In Stock
$1.04 / Unit
View Datasheet →PIC16F18424-E/P
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16F18424-E/SLVAO
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F18325-E/SL
✅ Drop-In✓ In Stock
$0.96 / Unit
View Datasheet →PIC16F18323-E/SL
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18424-E/SL Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core | PIC16 RISC (14-bit instruction) |
| Family | PIC16F184xx (XLP, Functional Safety) |
| Program Memory (Flash) | 7 KB (4K x 14) |
| Data Memory (SRAM) | 512 B |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 12-bit ADCC (with computation) |
| DAC | 5-bit DAC |
| PWM Channels | 2 |
| Comparators | Yes |
| Communication Interfaces | EUSART, SPI, I2C |
| Complementary Waveform Generator (CWG) | Yes |
| Package | SOIC-14 (SL) 3.9 mm body |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E = Extended) |
| Low-Power Feature | eXtreme Low Power (XLP) |
| RoHS Status | Compliant |
PIC16F18424-E/SL Pin Configuration
| Pin 1 | RA5/MCLR/VPP — Digital I/O / Master Clear (Reset) / Programming voltage |
| Pin 2 | RA0/ICSPDAT — Digital I/O / ICSP data |
| Pin 3 | RA1/ICSPCLK — Digital I/O / ICSP clock |
| Pin 4 | RA2 — Digital I/O |
| Pin 5 | RA3 — Digital I/O |
| Pin 6 | RA4 — Digital I/O |
| Pin 7 | VDD — Positive supply voltage (2.5V to 5.5V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7/OSC1/CLKIN — Digital I/O / Oscillator input / External clock input |
| Pin 10 | RA6/OSC2/CLKOUT — Digital I/O / Oscillator output / Clock output |
| Pin 11 | RC0 — Digital I/O |
| Pin 12 | RC1 — Digital I/O |
| Pin 13 | RC2 — Digital I/O |
| Pin 14 | RC3 — Digital I/O |
Typical Applications
PIC16F18424-E/SL is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Home Appliance Control Boards, LED Lighting Controllers, Industrial Sensor Interfaces, Small Motor Control (Fans, Pumps, Valves), Wearable Health Bands, Automotive Body Electronics (AEC-Q100 variants).
Battery-Powered IoT Sensor Nodes
The PIC16F18424-E/SL fits battery-powered IoT sensor nodes due to its eXtreme Low Power (XLP) sleep current below 50 nA typical, allowing years of operation from a single coin cell when duty-cycled. The 12-bit ADCC with hardware averaging offloads CPU wake events, while 7 KB Flash accommodates small RTOS or state-machine firmware for typical environmental sensors. The CWG enables direct half-H-bridge control for small valve or actuator loads, simplifying BOM. Compared with PIC16F18324, the FuSa feature set is a future-proofing benefit for industrial IoT deployments.
Recommended
Home Appliance Control Boards
The PIC16F18424-E/SL is ideal for home appliance control boards (washing machines, dishwashers, coffee makers) where cost, footprint, and reliability matter. The 32 MHz CPU delivers 8 MIPS, sufficient for user-interface scanning, motor control loops, and safety monitoring. The 12-bit ADCC with computation automates sensor threshold checks, while the EUSART and MSSP peripherals support Wi-Fi/BLE module connectivity. Operating from -40C to +125C, the device meets appliance thermal requirements without derating.
Recommended
LED Lighting Controllers
The PIC16F18424-E/SL suits LED lighting controllers where precise PWM dimming and color-mixing matter. Two 10-bit PWM channels drive LED strings directly, while the CWG generates complementary signals for synchronous buck or boost LED drivers. The 12-bit ADCC reads ambient light sensors for closed-loop brightness control, and the 5-bit DAC provides an analog reference for tunable white CCT adjustment. XLP sleep current keeps standby power below EPA ENERGY STAR limits for connected luminaires.
Recommended
Industrial Sensor Interfaces
The PIC16F18424-E/SL is well matched to industrial 4-20 mA sensor interfaces and bridge-sensor signal conditioning. The 12-bit ADCC with hardware averaging handles noisy factory environments, while the comparator enables threshold detection without CPU wake-ups. EUSART supports RS-485 half-duplex comms with automatic direction control via PPS-mapped RTS, and SPI connects to industrial DAC or ADC expansion chips. The -40C to +125C operating range meets industrial temperature specifications without thermal derating.
Recommended
Small Motor Control (Fans, Pumps, Valves)
The PIC16F18424-E/SL drives small DC motors, fans, pumps, and solenoid valves thanks to its Complementary Waveform Generator (CWG) and PWM peripherals. The CWG outputs complementary PWM signals with programmable dead-band, ideal for half-H-bridge gate drivers. The comparator plus 5-bit DAC implements closed-loop current limiting without software overhead. With 32 MHz CPU and 7 KB Flash, the part can run sensorless BLDC commutation tables for small fan and pump applications.
Recommended
Wearable Health Bands
The PIC16F18424-E/SL fits wearable health bands where the small SOIC-14 footprint and XLP sleep current below 50 nA typical are decisive. The 12-bit ADCC reads heart-rate or SpO2 photodiode signals, the comparator detects battery-low thresholds, and the MSSP interfaces with low-power BLE modules over SPI. The 7 KB Flash is sufficient for heart-rate algorithm, pedometer state machine, and BLE command parser. Operating from 2.5V to 5.5V lets the device run directly from a single Li-ion cell.
Recommended
Automotive Body Electronics (AEC-Q100 variants)
The PIC16F18424-E/SL is suitable for automotive body electronics such as door modules, seat controllers, and lighting drivers when ordered as the factory VAO (Automotive) variant. The Functional Safety (FuSa) hardware features support ISO 26262 ASIL-A applications, and the CWG drives MOSFET half-bridges for seat-position motors. The -40C to +125C operating range and SOIC-14 footprint are standard for AEC-Q100 body modules. The PIC16F18424-E/SLVAO variant is the automotive-screened version.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F18424-E/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18324-E/SL | PIC16F1824-E/SL | PIC16F18325-E/SL | PIC16F18323-E/SL |
|---|---|---|---|---|---|
| Package | SOIC-14 (SL) | SOIC-14 (SL) - same | SOIC-14 (SL) - same | SOIC-14 (SL) - same | SOIC-14 (SL) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 14 KB | 3.5 KB |
| Data Memory (SRAM) | 512 B | 512 B | 256 B | 1 KB | 256 B |
| ADC | 12-bit ADCC | 10-bit | 10-bit | 10-bit | 10-bit |
| CWG (Complementary Waveform Generator) | Yes | No | No | No | No |
| Functional Safety (FuSa) | Yes | No | No | No | No |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 1.8 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Unit Price (qty 100) | $1.02 USD | $0.92 USD | $0.84 USD | $1.10 USD | $0.78 USD |
Key Differentiators
- Only SOIC-14 part offering 12-bit ADCC plus CWG plus FuSa (vs PIC16F18324-E/SL)
- Larger Flash and RAM than predecessor (vs PIC16F1824-E/SL)
- 2x Flash vs smaller sibling (vs PIC16F18323-E/SL)
- Functional Safety hardware features (vs PIC16F18325-E/SL)
Design Notes
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 7) and a bulk capacitor (1-10 uF) on the same rail. According to the Microchip datasheet, the PIC16F18424 draws peak transient current during Flash programming and ADC conversion; insufficient decoupling may trigger spurious brown-out resets. For battery-powered designs, route the CWG and PWM outputs through current-limiting resistors to prevent inrush on motor or LED loads.
Keep ICSP signals (ICSPDAT on RA0, ICSPCLK on RA1) on dedicated PCB traces and avoid sharing them with high-current switching nodes. According to the Microchip datasheet, ICSP programming may fail if the ICSPCLK line carries more than 200 mV of switching noise. Place the programming header at the board edge and add 4.7 kohm pull-ups on RA0/RA1 to ensure reliable programming without an in-circuit programmer.
Do not omit the CONFIG1 and CONFIG2 configuration words at the top of every C source; they set oscillator mode, watchdog enable, code-protect, and brown-out voltage. According to the Microchip datasheet, leaving CONFIG1 at its default unprogrammed state disables the watchdog and may cause runaway firmware in noisy environments. The MCLR pin (RA5) must be pulled high through a 10 kohm resistor unless external reset control is required.
When using the 12-bit ADCC with computation mode, enable hardware averaging and accumulate at least 16 samples before triggering threshold interrupts. According to the Microchip datasheet, single-shot ADC readings on noisy sensor lines exhibit 2-3 LSB variation; averaging reduces effective noise to under 0.5 LSB. Place the analog reference capacitor within 5 mm of the VREF+ pin (if used) and avoid digital signal crossings on adjacent layers.
Compliance Information
Standard E/SL variant is not AEC-Q100 qualified; the factory VAO (Automotive) variant PIC16F18424-E/SLVAO is the automotive-screened version. RoHS and REACH compliance per Microchip product page.
