PIC16F18345-E/SO - 8-bit XLP MCU, 14KB Flash, 32MHz | Microchip
N.º de pieza: PIC16F18345-E/SO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $2.42 | $2,42 |
| 10 | $2.18 | $21,80 |
| 100 | $1.94 | $194,00 |
| 500 | $1.73 | $865,00 |
| 1.000 | $1.55 | $1.550,00 |
| 3.000 | $1.38 | $4.140,00 |
PIC16F18345-E/SO Descripción general
What is a PIC16F18345-class MCU? An 8-bit microcontroller is a small computer-on-a-chip that integrates a CPU, Flash program memory, RAM, EEPROM, peripherals, and I/O into a single package. The PIC16F series belongs to Microchip's enhanced mid-range 8-bit core family, positioned between baseline PIC10/12/16F and 16-bit PIC24/dsPIC. These MCUs include rich analog (ADC, DAC, comparators), Core Independent Peripherals (CLC, NCO, CWG, CCP), and communication blocks (EUSART, SPI, I2C) for embedded designs.
Key features of the PIC16F18345 include 17 I/O pins, 10-bit ADC with 17 channels, a 5-bit DAC, two comparators, up to 10-bit PWM, and 4-channel PWM. Communication peripherals include EUSART, SPI, and I2C. The PPS module allows digital peripheral pin assignments to be remapped in software, simplifying PCB layout and BOM reuse across product variants.
Technical depth: the device uses Microchip's enhanced mid-range core with a 14-bit instruction word and a hardware multiplier for integer math. Core Independent Peripherals (CLC, NCO, CWG, CCP) execute without CPU intervention, freeing the core for low-power sleep cycles. XLP technology delivers nanoWatt deep-sleep currents in the microampere range, ideal for battery-powered IoT nodes.
Typical applications include battery-powered sensor nodes, low-power IoT endpoints, automotive body controllers, consumer appliance control, LED lighting controllers, and small industrial HMI panels. The Functional Safety (FuSa) features make it suitable for safety-conscious designs.
Design consideration: take advantage of PPS to route digital peripherals to any convenient I/O pin, reducing PCB routing conflicts. Always add a 100 nF decoupling capacitor as close as possible to VDD and a 10 uF bulk capacitor on the board.
This page synthesizes distributor pricing, drop-in SOIC-20 alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas directas para PIC16F18345-E/SO — 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 PIC16F18345-E/SO (mismo factor de forma y huella) — difiere en Program Memory (Flash), ADC, Core Independent Peripherals, Operating Temperature, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F18345-I/SO
✅ Sustitución directa✓ En stock
$1.32 / unidad
Ver hoja de datos →PIC16F18345T-E/SO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F18345-H/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16F18345-E/P
✅ Sustitución directa✓ En stock
$1.21 / unidad
Ver hoja de datos →PIC16F18344-E/SO
✅ Sustitución directa✓ En stock
$0.77 / unidad
Ver hoja de datos →PIC16F18345-E/SO Valores máximos y características eléctricas
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Data EEPROM | 256 bytes |
| Max CPU Frequency | 32 MHz |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 17 |
| ADC | 10-bit, up to 17 channels |
| DAC | 5-bit |
| Comparators | 2 |
| PWM | 10-bit, up to 4 channels |
| Communication Peripherals | EUSART, SPI, I2C |
| Core Independent Peripherals | CLC, NCO, CWG, CCP, PPS |
| Encapsulado | 20-pin SOIC (SO) |
| Temperatura de funcionamiento | -40C to +125C (E grade) |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Functional Safety | FuSa features supported |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de PIC16F18345-E/SO
| Pin 1 | VDD — Positive power supply |
| Pin 2 | RA5 — Bidirectional I/O, analog input |
| Pin 3 | RA4 — Bidirectional I/O, analog input |
| Pin 4 | RA3/MCLR — Bidirectional I/O or Master Clear (reset) input |
| Pin 5 | RC5 — Bidirectional I/O, analog input |
| Pin 6 | RC4 — Bidirectional I/O, analog input |
| Pin 7 | RC3 — Bidirectional I/O, analog input |
| Pin 8 | RC2 — Bidirectional I/O, analog input |
| Pin 9 | RC1 — Bidirectional I/O, analog input |
| Pin 10 | RC0 — Bidirectional I/O, analog input |
| Pin 11 | RA2 — Bidirectional I/O, analog input |
| Pin 12 | RA1 — Bidirectional I/O, analog input |
| Pin 13 | RA0 — Bidirectional I/O, analog input |
| Pin 14 | VSS — Ground reference |
| Pin 15 | RA7 — Bidirectional I/O |
| Pin 16 | RA6 — Bidirectional I/O |
| Pin 17 | RC7 — Bidirectional I/O |
| Pin 18 | RC6 — Bidirectional I/O |
| Pin 19 | RB7 — Bidirectional I/O, programming/debug data |
| Pin 20 | RB6 — Bidirectional I/O, programming/debug clock |
Aplicaciones típicas
PIC16F18345-E/SO es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Nodes, Automotive Body Electronics, Consumer Appliance Control, LED Lighting Controllers, Industrial Sensor Transmitters, Small Industrial HMI Panels.
Battery-Powered IoT Sensor Nodes
Why the PIC16F18345-E/SO fits battery-powered IoT sensor nodes: the XLP (eXtreme Low Power) technology with deep-sleep currents in the microampere range extends coin-cell and 2x AA battery life to multi-year horizons. The 14 KB program memory fits typical BLE/Zigbee sensor stacks, Modbus RTU slaves, or LoRaWAN device firmware. The 32 MHz CPU provides 8 MIPS peak throughput for periodic sensor sampling bursts. How it is used: the device wakes periodically via WDT or RTC, reads an ADC channel from a temperature or humidity sensor, transmits via SPI or EUSART, and returns to sleep. PPS allows SPI and UART pins to be remapped in software, simplifying PCB routing for small sensor boards. Estimated battery life at 1 sample per minute with a CR2032 exceeds 3 years in typical duty-cycled operation.
Recomendado
Automotive Body Electronics
Why the PIC16F18345-E/SO fits automotive body electronics: the -E temperature grade spans -40C to +125C, covering under-hood and cabin thermal requirements. The Functional Safety (FuSa) features support safety-conscious design flows, while the 32 MHz CPU runs body-control logic, PWM-driven LED drivers, and LIN-bus communication stacks in real time. How it is used: the MCU drives MOSFET-controlled lighting, mirror adjusters, or seat controllers via PWM channels; CAN/LIN interfaces connect to the vehicle network. The CWG (complementary-waveform generator) and NCO (numerically-controlled oscillator) simplify motor and lighting control without CPU overhead. Estimated standby current for body modules in sleep mode is below 100 uA thanks to XLP peripherals.
Recomendado
Consumer Appliance Control
Why the PIC16F18345-E/SO fits consumer appliance control: the 20-pin SOIC footprint, 17 I/O pins, and 1 KB RAM are sufficient for washers, dryers, coffee makers, and small kitchen appliances with keypad input, LED/LCD feedback, and BLDC or brushed motor control. The 10-bit ADC and 5-bit DAC handle sensor readback and analog control loops. How it is used: the MCU scans a capacitive-touch keypad, reads temperature sensors via ADC, drives a triac or MOSFET via PWM/CCP, and exposes UART for diagnostics. The CLC and CWG offload repetitive waveform generation from the CPU, allowing efficient low-cost appliance designs. Compared with discrete logic controllers, the integrated ADC and PWM reduce BOM cost and PCB area significantly.
Recomendado
LED Lighting Controllers
Why the PIC16F18345-E/SO fits LED lighting controllers: the integrated 10-bit PWM with up to 4 channels supports RGBW dimming, color mixing, and brightness compensation directly from the MCU without external drivers. The CWG (complementary-waveform generator) simplifies half-bridge MOSFET driving, while the NCO enables high-frequency PWM dithering to push PWM frequency beyond audible range. How it is used: the MCU receives DMX-512 or DALI commands via EUSART, computes per-channel PWM duty, and drives MOSFETs or LED driver ICs. PPS allows PWM and UART pins to be remapped for compact board layouts. Estimated LED dimming resolution at 10-bit and 1 kHz PWM frequency provides smooth, flicker-free lighting output.
Recomendado
Industrial Sensor Transmitters
Why the PIC16F18345-E/SO fits industrial sensor transmitters: the 32 MHz CPU, hardware multiplier, and C math libraries support linearization, compensation, and Modbus RTU protocol stacks. The 10-bit ADC with 17 channels covers multiple 4-20 mA or 0-10 V sensor inputs. The PPS module allows UART and SPI to be routed to any digital I/O for connector flexibility. How it is used: the MCU acquires analog sensor data, applies digital filtering, computes a 4-20 mA output via PWM or DAC, and exposes HART or Modbus on UART. The CLC and CWG offload pulse counting from the CPU, simplifying flow-meter or pulse-counter applications. Estimated total error budget at 10-bit ADC over -40C to +125C is around 2 LSB after calibration.
Recomendado
Small Industrial HMI Panels
Why the PIC16F18345-E/SO fits small industrial HMI panels: 14 KB Flash accommodates lightweight graphical menu code, SPI supports character LCD or small TFT displays, and the EUSART links to a master PLC or sensor cluster. The wide 1.8 V to 5.5 V operating range simplifies power design on 24 V industrial buses via a small buck converter. How it is used: the MCU reads keypad inputs via GPIO, drives an LCD display over SPI or I2C, and exposes Modbus RTU over EUSART to a master controller. PPS allows flexible pin assignment so the same silicon supports multiple panel SKUs. Estimated code footprint for a 4-line menu system with one screen of custom graphics is around 6 KB Flash.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F18345-E/SO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F18345-I/SO | PIC16F18345T-E/SO | PIC16F18345-E/P | PIC16F18344-E/SO |
|---|---|---|---|---|---|
| Package | 20-pin SOIC (SO) | 20-pin SOIC (SO) - same | 20-pin SOIC (SO) - same | 20-pin PDIP (P) | 20-pin SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 14 KB Flash | 14 KB Flash | 14 KB Flash | 14 KB Flash | 14 KB Flash |
| Data RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| I/O Pins | 17 | 17 | 17 | 17 | 14 |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 14 channels |
Diferenciadores clave
- Extended -40C to +125C temperature grade (frente a PIC16F18345-I/SO)
- 20 I/O pins in a 20-pin SOIC with PPS (frente a PIC16F18344-E/SO)
- True drop-in with XLP and PPS for low-power designs (frente a PIC16F18325-E/SL)
Notas de diseño
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 1) and a 10 uF bulk capacitor on the board ground plane. The PIC16F18345 has nanoWatt XLP technology, but switching transients from digital outputs and PWM can inject noise into the analog supply rail. For best ADC accuracy, add a small ferrite bead between digital and analog VDD rails and use separate analog and digital ground returns that meet only at one point under the IC.
Use Microchip's Peripheral Pin Select (PPS) to route EUSART, SPI, I2C, PWM, and CLC outputs to convenient PCB pins. PPS helps avoid trace crossings and enables the same silicon to support multiple SKUs. Keep the ICPGD/ICCK (RB6/RB7) pins accessible for in-circuit programming and debugging, or provide a 2x5 0.1-inch header footprint even if not stuffed in production.
Configure unused I/O pins as outputs with logic low, not as inputs, to avoid floating pins that draw extra current in XLP sleep modes. Do not exceed 5.5 V on any I/O pin; absolute maximum VDD is 6.5 V which is for transient capture only. Estimated: at 32 MHz and 3.3 V VDD, typical active current is around 4 mA, while deep sleep current can drop below 1 uA - design battery life accordingly.
Información de cumplimiento
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - for automotive safety-critical applications consult Microchip Auto-grade portfolio.
