PIC16F18326-E/ST - 8-bit XLP MCU, 28KB Flash, 14-TSSOP | Microchip
N.º de pieza: PIC16F18326-E/ST ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.55 | $1,55 |
| 10 | $1.4 | $14,00 |
| 100 | $1.25 | $125,00 |
| 500 | $1.12 | $560,00 |
| 1.000 | $0.99 | $990,00 |
| 3.000 | $0.86 | $2.580,00 |
PIC16F18326-E/ST Descripción general
An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data path, optimized for cost-sensitive embedded control. PIC microcontrollers from Microchip combine a RISC-based CPU core with on-chip Flash, EEPROM, RAM, and a rich set of Core Independent Peripherals (CIPs). Within the broader taxonomy, the PIC16F18326 belongs to the PIC16 family -> 8-bit PIC -> Microcontroller -> Embedded Computing -> Semiconductor.
Key features of the PIC16F18326 include eXtreme Low Power (XLP) technology for sleep currents in the nanoamp range, Peripheral Pin Select (PPS) for flexible digital peripheral routing, a 10-bit ADC, a 5-bit DAC, configurable logic cells (CLC), Complementary Waveform Generator (CWG), and communication peripherals including SPI and I2C. The Functional Safety (FuSa) capability supports IEC 60730 Class B safety requirements in appliance designs.
The PIC16F18326 uses a 14-bit instruction set with hardware stack and interrupt-driven I/O. Its Core Independent Peripherals operate without CPU intervention, freeing the core for power management and housekeeping. PPS remaps digital peripherals to any I/O pin, simplifying PCB layout when signals cross packages or when migrating between PIC16(L)F18326 and PIC16(L)F18346.
Typical applications include IoT sensor nodes, battery-powered wearables, home appliances requiring functional safety, LED lighting controllers, and low-pin-count industrial control. The wide operating voltage range and ultra-low sleep current make it ideal for energy-harvesting designs and remote controls.
When designing with this MCU, leave RA0/RA1 accessible for ICSP programming if in-circuit programming is required. Verify VDD decoupling per the datasheet and respect the absolute maximum ratings, especially for ESD on analog-capable pins exposed to external connectors.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet, providing a single-page engineering reference for procurement and design teams.
Alternativas directas para PIC16F18326-E/ST — 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 PIC16F18326-E/ST (mismo factor de forma y huella) — difiere en ADC, Package, Communication, DAC, Family.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F18326-I/ST
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16F18326-E/SN
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16F1829T-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.05 / unidad
Ver hoja de datos →PIC16F1824-I/ST
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$0.72 / unidad
Ver hoja de datos →PIC16F1704-I/ST
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$0.62 / unidad
Ver hoja de datos →PIC16F18326-E/ST Valores máximos y características eléctricas
| Core | PIC 8-bit |
| Family | PIC16F183xx (XLP, FuSa) |
| Program Memory | 28 KB (16K x 14) Flash |
| EEPROM | 256 B |
| RAM | 2 KB |
| Maximum CPU Speed | 32 MHz |
| ADC | 10-bit |
| DAC | 5-bit |
| Communication | SPI, I2C |
| Temperatura de funcionamiento | -40C to +125C (E suffix) |
| Encapsulado | 14-TSSOP |
| Recuento de pines | 14 |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| ICSP Programming | Yes (via RA0/RA1) |
| Functional Safety | IEC 60730 Class B capable (FuSa) |
Configuración de pines de PIC16F18326-E/ST
| Pin 1 | RA5 — Bidirectional I/O / input only on this device variant per datasheet |
| Pin 2 | RA4 — Bidirectional I/O with analog input capability |
| Pin 3 | RA3/MCLR — Input only / Master Clear reset (active-low) per datasheet |
| Pin 4 | RA2 — Bidirectional I/O with analog input capability |
| Pin 5 | RA1/ICSPDAT — Bidirectional I/O / ICSP data line |
| Pin 6 | RA0/ICSPCLK — Bidirectional I/O / ICSP clock line |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O |
| Pin 9 | RA6 — Bidirectional I/O |
| Pin 10 | RC5 — Bidirectional I/O |
| Pin 11 | RC4 — Bidirectional I/O |
| Pin 12 | RC3 — Bidirectional I/O |
| Pin 13 | RC2 — Bidirectional I/O |
| Pin 14 | VDD — Positive supply voltage |
Aplicaciones típicas
PIC16F18326-E/ST es adecuado para 6 aplicacións: IoT Sensor Node / Battery-Powered Wireless Sensor, Home Appliance Control (Functional Safety), LED Lighting Controller, Industrial Sensor / 4-20 mA Transmitter, Remote Control / Handheld User Interface, Low-Pin-Count Motor Control / Fan Driver.
IoT Sensor Node / Battery-Powered Wireless Sensor
The PIC16F18326-E/ST fits IoT sensor nodes due to its XLP nanoamp sleep current and 32 MHz CPU. With 28 KB Flash, the MCU runs sensor acquisition, threshold detection, and a small RF driver for sub-GHz radios or BLE coprocessors. The 10-bit ADC and 5-bit DAC handle analog sensor interfaces including temperature, light, and gas sensors. PPS allows the SPI/I2C radio interface to be remapped, simplifying antenna isolation. SPI/I2C connectivity supports external sensors and EEPROM expansion; EEPROM provides parameter storage between battery swaps. Estimated battery life using 2xAA cells reaches 5+ years at duty cycles below 0.1%.
Recomendado
Home Appliance Control (Functional Safety)
The PIC16F18326-E/ST's Functional Safety (FuSa) capability targets IEC 60730 Class B home appliance designs. Built-in hardware features include Windowed Watchdog Timer (WWDT), CRC scanner, oscillator fail-safe, and self-test capability for Flash and RAM. The -E temperature grade (-40C to +125C) supports oven, dishwasher, and washer interior control boards. The 28 KB Flash accommodates Class B self-test firmware plus application logic; the 10-bit ADC reads thermistor inputs for temperature control loops. The 5-bit DAC drives triac control or PWM outputs for heating elements and motor speed.
Recomendado
LED Lighting Controller
The PIC16F18326-E/ST is well-suited for LED lighting controllers due to its 5-bit DAC, Complementary Waveform Generator (CWG), and PWM peripherals. The 32 MHz CPU executes color-mixing algorithms for RGB or tunable-white fixtures; the 28 KB Flash supports DMX-512 or DALI protocol stacks. The 10-bit ADC reads ambient light sensors for daylight harvesting, while the SPI/I2C peripherals interface with LED driver ICs. The XLP low-power mode enables battery-powered emergency lighting with multi-year standby life. PPS allows flexible assignment of PWM outputs to multiple LED channels without board rework.
Recomendado
Industrial Sensor / 4-20 mA Transmitter
The PIC16F18326-E/ST fits industrial 4-20 mA loop-powered transmitters due to its low power consumption and analog features. The 10-bit ADC digitizes pressure, flow, or level sensor inputs; the 5-bit DAC can generate loop excitation or test signals. The -E extended temperature range supports -40C to +125C outdoor or process-plant environments. The 28 KB Flash accommodates linearization, calibration, and HART or IO-Link communication stacks. SPI/I2C peripherals interface with external EEPROM for calibration data; UART supports HART modem connection. PPS allows the UART to map to any digital pin for layout flexibility.
Recomendado
Remote Control / Handheld User Interface
The PIC16F18326-E/ST is suitable for remote controls and handheld user interfaces due to its compact TSSOP-14 package and ultra-low sleep current. The 28 KB Flash accommodates IR protocol decoding (RC5, NEC, SIRC) and BLE pairing logic; the 5-bit DAC drives audio feedback or haptic signals. The 10-bit ADC reads battery voltage and touch/proximity sensors; SPI/I2C connects to display drivers or LED matrices. The XLP nanoamp sleep current extends coin-cell battery life beyond 5 years. The -E temperature grade supports outdoor or automotive cabin remotes from -40C to +125C.
Recomendado
Low-Pin-Count Motor Control / Fan Driver
The PIC16F18326-E/ST is suitable for low-power brushless DC (BLDC) fan or small DC motor control. The Complementary Waveform Generator (CWG) and PWM peripherals generate complementary drive signals for half-bridge or full-bridge motor drivers. The 10-bit ADC reads back-EMF or shunt current for closed-loop speed control; the 5-bit DAC sets reference levels for current limiting. The 32 MHz CPU supports field-oriented control (FOC) for small BLDC fans. The -E temperature range supports under-hood or industrial environments; the 28 KB Flash holds motor startup, commutation, and fault-handling firmware.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F18326-E/ST — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F18326-I/ST | PIC16F18326-E/SN | PIC16F1829T-I/SO | PIC16F1824-I/ST | PIC16F1704-I/ST |
|---|---|---|---|---|---|---|
| Package | TSSOP-14 | TSSOP-14 - same | SOIC-14 - different land pattern | SOIC-18 (not pin-compatible despite similar suffix) | TSSOP-14 - same | TSSOP-14 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 14 KB (-50%) | 7 KB (-75%) | 7 KB (-75%) |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Functional Safety (FuSa) | Yes (IEC 60730 Class B) | Yes | Yes | No | No | No |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| DAC | 5-bit | 5-bit | 5-bit | 5-bit | 5-bit | 5-bit |
Diferenciadores clave
- Functional Safety (FuSa) capability for IEC 60730 Class B compliance (frente a PIC16F1829T-I/SO)
- Extended temperature range for outdoor and under-hood applications (frente a PIC16F18326-I/ST)
- Same-package option with smaller Flash for cost-sensitive designs (frente a PIC16F1824-I/ST)
Notas de diseño
The TSSOP-14 package has an exposed lead pitch of 0.65 mm, requiring careful PCB layout. Per the Microchip datasheet, place a 100 nF decoupling capacitor within 3 mm of the VDD pin (pin 14) and a 10 uF bulk capacitor nearby. If the ICSP interface is used in production, reserve RA0 (ICSPCLK) and RA1 (ICSPDAT) for programming access; add test points or pads to support in-circuit firmware updates without removing the MCU.
Estimated: At 32 MHz active operation from 3.3V supply with all peripherals enabled, the PIC16F18326 draws approximately 2-3 mA per Microchip datasheet typical curves. In sleep mode with Watchdog Timer enabled, current drops to sub-1 uA. For battery-powered designs, duty-cycle the active mode aggressively - the XLP feature combined with sleep-current optimization yields 5+ years on 2xAA cells at 0.1% duty cycle.
When migrating from PIC16F1829T-I/SO to PIC16F18326-E/ST, note the pinout is not drop-in despite both being TSSOP packages - the PIC16F1829 is an 18-pin die mapped to TSSOP-14 with different I/O assignments. Verify pin-by-pin against the datasheet before reusing PCB layouts. Also respect the absolute maximum VDD rating of 5.5V; designs using 5V supplies should add a series resistor or voltage regulator to avoid damage during transients.
PPS (Peripheral Pin Select) allows digital peripherals to be remapped to any digital I/O pin. While this simplifies layout, beware that moving a peripheral away from its default pin can affect timing characteristics on high-speed peripherals. For SPI above 4 MHz or UART above 115200 baud, verify signal integrity on the remapped pin pair. Use the Microchip Pin Manager (MCC) tool to validate assignments before committing to layout.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. Functional Safety (FuSa) capable supporting IEC 60730 Class B; AEC-Q100 not applicable for this part (not automotive-qualified; automotive variants carry a /VAO suffix). Lead-free termination standard for TSSOP-14 package.
