PIC16F18324-I/SL - 7KB Flash 8-bit MCU XLP 14-SOIC | Microchip
N.º de pieza: PIC16F18324-I/SL ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.3 | $1,30 |
| 10 | $1.17 | $11,70 |
| 100 | $1.04 | $104,00 |
| 500 | $0.93 | $465,00 |
| 1.000 | $0.82 | $820,00 |
PIC16F18324-I/SL Descripción general
An 8-bit PIC microcontroller (MCU) is a compact, low-power computing core built around Microchip's enhanced mid-range architecture, integrating a CPU, non-volatile Flash program memory, SRAM data memory, EEPROM, and a rich set of analog and digital peripherals on a single die. PIC16F183xx MCUs sit in Microchip's hierarchical taxonomy as follows: PIC16F1xxx family -> 8-bit PIC MCUs -> PIC microcontrollers -> microcontrollers -> embedded semiconductors. These devices target cost- and power-sensitive general-purpose embedded designs.
Key features of the PIC16F18324-I/SL include the 32 MHz internal oscillator (with 4x PLL option), peripheral pin select (PPS) for flexible signal routing, 12 I/O pins, a 10-bit ADC with computation, a 5-bit DAC, and four 10-bit PWM channels. The device is supported by the MPLAB X IDE and the MPLAB Code Configurator (MCC) ecosystem, enabling rapid peripheral setup without manual register coding.
Architecturally the PIC16F18324 uses Microchip's enhanced mid-range core with a hardware multiplier, a 14-bit instruction word, and a vectored interrupt controller. The CIPs (CLC, NCO, CWG, 10-bit PWM) operate independently of the CPU, freeing MIPS for application logic and reducing firmware complexity for tasks such as waveform generation, signal conditioning, and protocol bit-banging.
Typical applications include low-power IoT sensor nodes, battery-powered consumer devices, home automation, LED lighting control, and small motor control loops. The 14-pin SOIC footprint also makes it a direct candidate for retrofitting legacy 8-bit designs that need to upgrade from older PIC16F1xxx or PIC16F182x parts while keeping the board unchanged.
When designing with this part, leave at least one GPIO free for in-system programming (ICSP) via PGC/PGD, since the SL package does not expose dedicated debug pins. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin, and verify ADC input impedance against the source impedance to keep acquisition-error below 10 LSB.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers compare options, select the right MPN for their application, and avoid common integration pitfalls.
Alternativas directas para PIC16F18324-I/SL — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16F18324-I/SL (mismo factor de forma y huella) — difiere en ADC, Package, Operating Temperature, Communication, MSL Level.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F18325-I/SL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F18323-I/SL
✅ Sustitución directa✓ En stock
$0.78 / unidad
Ver hoja de datos →PIC16F18324-E/SL
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$0.74 / unidad
Ver hoja de datos →PIC16F18324-I/P
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$0.92 / unidad
Ver hoja de datos →PIC16F1824-I/SL
✅ Sustitución directa✓ En stock
$1.05 / unidad
Ver hoja de datos →PIC16F18324-I/SL Valores máximos y características eléctricas
| Core Architecture | 8-bit PIC enhanced mid-range |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| SRAM | 512 B |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| I/O Pins | 12 |
| ADC | 10-bit |
| DAC | 5-bit |
| PWM Channels | 4 x 10-bit |
| Comparators | Yes |
| Communication | EUSART, SPI, I2C |
| Encapsulado | 14-pin SOIC (SL) |
| Temperatura de funcionamiento | -40C to +85C (Industrial) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de PIC16F18324-I/SL
| Pin 1 | RA5 — Bidirectional I/O / ADC input |
| Pin 2 | RA4 — Bidirectional I/O / ADC input |
| Pin 3 | RA3/MCLR — I/O or Master Clear (reset) input |
| Pin 4 | RA2 — Bidirectional I/O / ADC input |
| Pin 5 | RA1 — Bidirectional I/O / ADC input / DAC output |
| Pin 6 | RA0 — Bidirectional I/O / ADC input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O |
| Pin 9 | RA6 — Bidirectional I/O |
| Pin 10 | RC5 — Bidirectional I/O / PWM output |
| Pin 11 | RC4 — Bidirectional I/O |
| Pin 12 | RC3 — Bidirectional I/O / SCL for I2C |
| Pin 13 | RC2 — Bidirectional I/O / SDA for I2C |
| Pin 14 | VDD — Positive supply voltage |
Aplicaciones típicas
PIC16F18324-I/SL es adecuado para 7 aplicacións: Battery-Powered IoT Sensor Node, Home Automation Control, LED Lighting and Signage Control, Small Motor Control (Brushed DC / Stepper), Wearable Health and Fitness Devices, Consumer Remote Control and HID, Industrial Sensor Transmitter (4-20 mA / 0-10V).
Battery-Powered IoT Sensor Node
The PIC16F18324-I/SL fits IoT sensor nodes because its XLP technology delivers sub-uA sleep current, extending coin-cell battery life beyond 5 years. The 10-bit ADC with computation directly digitizes thermistor, light, and motion sensors without an external op-amp. The 32 MHz core, 7 KB Flash, and 512 B SRAM are ample for BLE beacon or LoRa framing stacks. EUSART/SPI/I2C peripherals connect radio modules directly via PPS, eliminating signal-routing constraints.
Recomendado
Home Automation Control
The PIC16F18324-I/SL serves well in home automation hubs and wall controllers thanks to its 12 GPIO pins and PPS flexibility for connecting keypads, relays, and triac drivers. The CLC and NCO generate zero-crossing timing for AC dimming without CPU intervention, freeing the 8 MIPS core for BLE/Zigbee protocol handling. The 14-pin SOIC footprint fits behind standard US/UK wall boxes, and the industrial temperature rating tolerates attic and basement installations.
Recomendado
LED Lighting and Signage Control
The PIC16F18324-I/SL drives LED lighting systems via its four 10-bit PWM channels and Complementary Waveform Generator (CWG), enabling flicker-free dimming and dead-band control of half-bridges. The 32 MHz core and 8 MIPS allow smooth color-mixing loops for RGBW strips. PPS routes the PWM outputs to any pin, simplifying PCB layout for chainable LED signage, while the 5-bit DAC and comparators support analog current-sensing for closed-loop driver feedback.
Recomendado
Small Motor Control (Brushed DC / Stepper)
The PIC16F18324-I/SL handles small brushed DC and stepper motors up to a few hundred mA through its 10-bit PWM, CWG for complementary drive, and comparators for back-EMF sensing. The 32 MHz instruction rate and Core Independent Peripherals execute closed-loop PID in firmware while the CLC/NCO handle commutation timing off-CPU. The 14-pin SOIC fits into small BLDC driver boards, and the XLP modes suit battery-powered robotics, toys, and lock actuators.
Recomendado
Wearable Health and Fitness Devices
The PIC16F18324-I/SL suits wearable health devices due to its compact 14-pin SOIC footprint, sub-uA XLP sleep current, and 10-bit ADC that can directly read heart-rate (PPG) or temperature sensors. The CLC builds digital filters without CPU load, extending battery life. With 7 KB Flash and 512 B SRAM, it can run simple fitness algorithms on-device. PPS and 12 GPIO pins make it easy to add BLE modules, vibration motors, and small OLED displays.
Recomendado
Consumer Remote Control and HID
The PIC16F18324-I/SL excels in remote controls, keyboards, and other human-interface devices where the XLP technology gives multi-year battery life and 12 GPIO pins drive key matrices directly. The 10-bit PWM drives IR LEDs with precise carrier frequencies generated by the NCO without CPU overhead. The PIC16F18324's 32 MHz core and 7 KB Flash support USB-HID stacks over the EUSART bridge, and the SOIC-14 footprint is easy to hand-solder in low-volume designs.
Recomendado
Industrial Sensor Transmitter (4-20 mA / 0-10V)
The PIC16F18324-I/SL integrates cleanly into industrial 4-20 mA and 0-10V analog transmitters because its 10-bit ADC with computation handles RTD, thermocouple, and bridge-sensor inputs with hardware oversampling. The 5-bit DAC, comparators, and PWM can synthesize 4-20 mA loops directly when paired with a current-output op-amp. The -40C to +85C industrial temperature rating and 14-pin SOIC footprint suit DIN-rail transmitter enclosures across process-control applications.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F18324-I/SL — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F18325-I/SL | PIC16F18323-I/SL | PIC16F18324-E/SL | PIC16F1824-I/SL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same |
| Flash Memory | 7 KB | 14 KB | 7 KB | 7 KB | 4 KB |
| SRAM | 512 B | 1 KB | 512 B | 512 B | 256 B |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| CIPs (CLC/NCO/CWG) | Yes (all) | Yes (all) | Yes (subset) | Yes (all) | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C |
| Unit Price (qty 100, USD, as of 2026-09-20) | $1.04 | $1.18 | $0.98 | $1.25 | $1.10 |
Diferenciadores clave
- Pin-compatible upgrade path to 14 KB Flash within the same SOIC-14 footprint (frente a PIC16F18325-I/SL)
- Full Core Independent Peripheral (CIP) suite on a 14-pin part (frente a PIC16F1824-I/SL)
- XLP sub-uA sleep current extends battery life by years (frente a PIC16F18324-E/SL)
Notas de diseño
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 14) and a bulk 10 uF capacitor on the same rail. For XLP sleep-current-sensitive designs, the bulk cap should be a low-leakage ceramic (C0G/NP0) to avoid additional sleep drain. The PIC16F18324-I/SL operates from a single VDD; no separate analog supply is required, but analog references are derived internally.
Reserve RA0/RA1/RA2/RA3/RA4/RA5 for ICSP programming (PGD/PGC) when designing for field-upgradable firmware. Even if these pins are used in the application, isolate them with 0-ohm jumpers or test points. The 14-pin SOIC is suitable for hand-soldering and standard reflow profiles. Keep clock traces short and route HF crystal connections symmetrically to minimize EMI.
Do not exceed the 32 MHz FOSC limit when enabling the 4x PLL from an 8 MHz internal source. The internal oscillator is factory-calibrated to within +/-2% but for UART applications above 115200 baud, switch to a crystal for tighter accuracy. When using ADC, ensure source impedance is below 10 kohm to keep acquisition error below 10 LSB; add an external buffer op-amp for high-impedance sensors.
Use the Peripheral Pin Select (PPS) feature to remap EUSART, SPI, I2C, PWM, and CLC outputs to any digital I/O, simplifying PCB routing and reducing crosstalk. Group high-speed signals (SPI SCK, EUSART TX) on adjacent pins to keep return paths short. For PWM outputs driving long cables, add a series 33 ohm resistor to damp reflections without violating the drive-strength rating.
Información de cumplimiento
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified; for automotive-grade PIC16F18324 parts, look at the 'VAO' suffix variants (e.g. PIC16F18324-E/SLVAO) which carry AEC-Q100 Grade 1 qualification.
