PIC16F15243-I/SS - 8-bit MCU, 3.5KB Flash, 20-SSOP | Microchip
N.º de pieza: PIC16F15243-I/SS ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $0.85 | $0,85 |
| 10 | $0.78 | $7,80 |
| 100 | $0.7 | $70,00 |
| 500 | $0.63 | $315,00 |
| 1.000 | $0.55 | $550,00 |
PIC16F15243-I/SS Descripción general
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, programmable I/O peripherals, and often communication interfaces and analog blocks. The PIC16 family uses a RISC-based 8-bit core with a modified Harvard architecture, where program and data buses are separate to allow simultaneous instruction fetch and data access. Within the broader taxonomy, an MCU belongs to embedded microcontrollers -> microcontrollers -> integrated circuits -> semiconductors.
Key features of the PIC16F15243 include a 10-bit ADC with up to 12 input channels, two 10-bit PWMs, two CCP modules, Peripheral Pin Select (PPS) for flexible signal routing, EUSART plus SPI and I2C communication, hardware limit timer (HLT), windowed watchdog timer (WDT), and eXtreme Low-Power (XLP) Sleep modes for battery-powered designs. The FuSa-ready architecture supports functional safety documentation required by IEC 61508 and similar standards.
The PIC16F15243 architecture integrates a 10-bit ADC with Device Information Area (DIA) calibration for offset compensation, plus a Fixed Voltage Reference (FVR) to enhance ADC accuracy. PPS allows remapping of digital peripherals to multiple I/O pins, simplifying PCB routing. The Memory Access Partition (MAP) supports bootloader and data protection schemes, while the eXtreme Low-Power Sleep mode delivers nanoamp-level standby current for energy harvesting applications.
Typical applications include low-cost sensor nodes, battery-powered IoT end devices, appliance control boards, LED lighting drivers, HVAC fan controllers, and consumer electronics requiring functional safety features. PPS flexibility is particularly valuable when designers must route SPI or I2C signals to alternate pins to simplify board layout.
When designing with this device, ensure your programmer/debugger supports the PIC16F152xx device ID. Microchip's MPLAB X IDE with XC8 compiler and the PICkit 5 or SNAP debugger are typical toolchains. Always review the latest family datasheet for electrical specifications before committing to production layouts.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet - enabling faster design decisions for engineers evaluating the PIC16F15243-I/SS for sensor and real-time control applications.
Alternativas directas para PIC16F15243-I/SS — 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 PIC16F15243-I/SS (mismo factor de forma y huella) — difiere en ADC, Package, Core Architecture, I/O Pins, Program Memory (Flash).
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F15244-I/SS
✅ Sustitución directa✓ En stock
$0.85 / unidad
Ver hoja de datos →PIC16F15243-E/SS
✅ Sustitución directa✓ En stock
$0.52 / unidad
Ver hoja de datos →PIC16F15243-I/SO
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC16F15243-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F15243-I/SS Valores máximos y características eléctricas
| Core Architecture | PIC 8-bit RISC (modified Harvard) |
| Family | PIC16F152xx Low Pin Count |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data Memory (SRAM) | 256 bytes |
| CPU Speed | 32 MHz |
| Encapsulado | 20-pin SSOP |
| Temperatura de funcionamiento | -40C to +85C (Industrial) |
| ADC | 10-bit, up to 12 channels |
| PWM | 2x 10-bit |
| CCP Modules | 2 |
| Communication | EUSART, SPI, I2C |
| Special Features | PPS, HLT, WDT, XLP Sleep, MAP, DIA, FVR, FuSa-ready |
| I/O Pins | 17 |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de PIC16F15243-I/SS
| Pin 1 | RA5 — Digital I/O / ADC input |
| Pin 2 | RA4 — Digital I/O / ADC input |
| Pin 3 | RA3 — Digital I/O / ADC input / MCLR |
| Pin 4 | RA2 — Digital I/O / ADC input |
| Pin 5 | RA1 — Digital I/O / ADC input |
| Pin 6 | RA0 — Digital I/O / ADC input |
| Pin 7 | VSS — Ground |
| Pin 8 | RA7 — Digital I/O / oscillator |
| Pin 9 | RA6 — Digital I/O / oscillator |
| Pin 10 | RC0 — Digital I/O |
| Pin 11 | RC1 — Digital I/O |
| Pin 12 | RC2 — Digital I/O |
| Pin 13 | RC3 — Digital I/O / SCL (PPS) |
| Pin 14 | RC4 — Digital I/O / SDA (PPS) |
| Pin 15 | RC5 — Digital I/O |
| Pin 16 | RC6 — Digital I/O / TX (PPS) |
| Pin 17 | RC7 — Digital I/O / RX (PPS) |
| Pin 18 | VDD — Positive supply voltage |
| Pin 19 | VSS — Ground |
| Pin 20 | RB7 — Digital I/O / ICSPCLK |
Aplicaciones típicas
PIC16F15243-I/SS es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Nodes, Appliance Control Boards, LED Lighting Drivers, HVAC Fan and Blower Controllers, Consumer Electronics User Interface, Industrial Sensor Signal Conditioning.
Battery-Powered IoT Sensor Nodes
The PIC16F15243-I/SS suits battery-powered IoT sensor nodes due to its eXtreme Low-Power (XLP) Sleep modes that reduce standby current to nanoamp levels while retaining RAM and peripheral state. The 32 MHz HFINTOSC eliminates external crystal power drain, and the 10-bit ADC with up to 12 channels handles multi-sensor inputs from temperature, humidity, and battery voltage monitors. PPS flexibility allows SPI or I2C sensor interfaces to share pins with digital I/O, minimizing PCB area. Functional Safety (FuSa) documentation supports designs targeting IEC 61508 safety integrity, valuable in industrial IoT gateways.
Recomendado
Appliance Control Boards
The PIC16F15243-I/SS fits appliance control boards for washers, dryers, dishwashers, and HVAC units where the 17 I/O pins drive relays, triacs, status LEDs, and user-interface keypads. The two 10-bit PWM channels control motor speed or valve actuators, while the two CCP modules handle input capture for tachometer feedback and timer-based sequencing. Peripheral Pin Select (PPS) routes EUSART to a Wi-Fi or BLE module without re-spinning the PCB, while the FuSa-ready architecture eases compliance with IEC 60730 Class B household appliance safety standards.
Recomendado
LED Lighting Drivers
The PIC16F15243-I/SS serves as a low-cost controller in LED lighting fixtures where its two 10-bit PWMs drive constant-current LED drivers for dimming and color-mixing control. The 32 MHz CPU executes DMX-512 or DALI protocols via EUSART, while PPS routes communication signals to multiple connector pins for flexible fixture topology. eXtreme Low-Power Sleep reduces standby consumption below EnergyStar thresholds, critical for always-connected smart lighting. The 256-byte SRAM handles lighting state variables and fade curves without external memory.
Recomendado
HVAC Fan and Blower Controllers
The PIC16F15243-I/SS controls HVAC fan and blower speeds using PWM outputs to interface with motor driver ICs. The 10-bit ADC monitors thermistor inputs for closed-loop temperature regulation, while the hardware limit timer (HLT) protects against stalled-rotor conditions by detecting missing tachometer pulses. The windowed watchdog timer (WDT) and MAP memory partitioning support IEC 60730 Class B software safety requirements for HVAC equipment. Industrial temperature grade (-40C to +85C) handles attic and outdoor unit thermal stress.
Recomendado
Consumer Electronics User Interface
The PIC16F15243-I/SS powers user-interface subsystems in consumer electronics such as remote controls, smart plugs, and small appliances, where it scans keypads, drives status LEDs, and routes serial commands over SPI/I2C/EUSART. Peripheral Pin Select allows designers to assign communication interfaces to specific board locations without re-routing the PCB. The FuSa support helps manufacturers comply with consumer product safety standards. eXtreme Low-Power Sleep extends battery life in handheld devices to multi-year standby.
Recomendado
Industrial Sensor Signal Conditioning
The PIC16F15243-I/SS conditions and digitizes industrial sensor signals where the 12-channel 10-bit ADC multiplexes thermistors, pressure transducers, and 4-20 mA loop inputs. The Device Information Area (DIA) stores FVR offset values that improve ADC absolute accuracy to support tighter calibration. EUSART and SPI interfaces forward processed data to host PLCs or wireless transmitters, while PPS allows signal routing to alternate pins based on enclosure constraints. FuSa-ready architecture supports SIL-1/SIL-2 industrial safety loops.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F15243-I/SS — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F15244-I/SS | PIC16F15243-E/SS | PIC16F15243-I/SO | PIC16F15243-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP | 20-SSOP | 20-SOIC (different footprint) | 20-PDIP (through-hole) |
| Program Memory (Flash) | 3.5 KB | 7 KB | 3.5 KB | 3.5 KB | 3.5 KB |
| Data Memory (SRAM) | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 17 | 17 | 17 | 17 | 17 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| ADC | 10-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels | 10-bit, 12 channels |
Diferenciadores clave
- Functional Safety (FuSa) documentation support (frente a PIC16F15244-I/SS)
- Industrial temperature grade matches most embedded applications (frente a PIC16F15243-E/SS)
- Compact SSOP-20 footprint saves board area vs SOIC (frente a PIC16F15243-I/SO)
Notas de diseño
The PIC16F15243-I/SS supports eXtreme Low-Power (XLP) Sleep modes that drop current consumption to nanoamp levels while retaining SRAM contents. Estimated: with all peripherals disabled and Sleep mode entered at 3.0V VDD, typical current falls below 50 nA. To achieve lowest standby, disable the ADC, FVR, and PPS-mapped peripherals before executing the SLEEP instruction. Wake-up latency is dominated by HFINTOSC startup (~1 us typical) plus chosen oscillator stabilization bits.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 18) of the SSOP-20, with the ground return via the adjacent VSS pin (pin 19) to minimize loop inductance. For ADC accuracy, add a 10 uF bulk capacitor near the analog supply rail. The exposed thermal pad (if present in this package variant) should be soldered to a small ground copper pour to improve thermal dissipation, though 8-bit PICs typically dissipate under 50 mW so this is optional.
Always configure unused I/O pins as outputs with logic-low state to minimize SDA/SCL-style floating-input current draw. The MCLR pin (RA3) must be tied to VDD through a 10 kohm pull-up if not used as a reset source, otherwise inadvertent resets can occur during ESD events. When using PPS, verify the peripheral output and input mapping registers are configured correctly, otherwise the SPI or EUSART signals will not appear on expected pins.
For SPI communications above 4 MHz, use series resistors (22-33 ohm) on clock and data lines to dampen ringing caused by SSOP-20 pin inductance. Keep SPI traces short and route over a continuous ground plane. The EUSART is robust for moderate-speed serial links, but for EMI-sensitive designs add a small ferrite bead on the UART TX line near the connector.
Información de cumplimiento
RoHS and REACH compliant per Microchip product environmental compliance program. Not AEC-Q100 qualified - this part targets industrial/consumer, not automotive. FuSa documentation supports IEC 61508 functional safety integration.
