PIC16F1614-I/ST - 8-Bit MCU, 7KB Flash, 32MHz, TSSOP-14 | Microchip
N.º de pieza: PIC16F1614-I/ST ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.95 | $1,95 |
| 10 | $1.76 | $17,60 |
| 100 | $1.55 | $155,00 |
| 500 | $1.35 | $675,00 |
| 1.000 | $1.18 | $1.180,00 |
PIC16F1614-I/ST Descripción general
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash or ROM), volatile data memory (RAM), and integrated peripherals such as timers, ADCs, and communication interfaces. Within the broader taxonomy, the PIC16F1614 sits in the 8-bit microcontroller class (PIC16 -> 8-bit PIC MCU -> microcontroller -> embedded processor -> semiconductor). It uses Microchip's enhanced mid-range core with a 14-bit instruction word, balancing code density with deterministic interrupt latency for real-time control.
Key features include 7KB self-programmable Flash, multiple PWM/CCP channels for motor and LED control, a 24-bit SMT capable of precise time-of-flight or frequency measurements, Zero-Cross Detect for AC-line-synchronized switching, and Configurable Logic Cells (CLC) for hardware customization. The XLP (eXtreme Low Power) designation places sleep current in the nanoampere range, making the part attractive for battery-operated sensor nodes.
The architecture uses a Harvard-style bus with separate program and data paths, a 16-level hardware stack, and direct LED drive capability on selected pins. The device operates from 2.5V to 5.5V across the industrial thermal range, and integrates common sensor and actuator interfaces without external glue logic.
Typical applications include small brushed-DC and stepper motor control, ceiling-fan and HVAC line-voltage control, LED lighting drivers, sensor signal conditioning, and general-purpose embedded control. Compared with discrete logic designs, the PIC16F1614 reduces BOM count and PCB area by integrating ADC, PWM, and commutation timers on one die.
When designing with this MCU, place a 100 nF decoupling capacitor close to VDD with a bulk capacitor nearby, and keep the ICSP/PGD-PGC pins accessible for in-circuit programming. Program CONFIG words to match the chosen oscillator, watchdog timer, and code-protect settings before first use.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Alternativas directas para PIC16F1614-I/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 PIC16F1614-I/ST (mismo factor de forma y huella) — difiere en Operating Temperature Range, Package, ADC, Core, Operating Voltage Range.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F1614T-I/ST
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F1614-E/ST
✅ Sustitución directa✓ En stock
$0.78 / unidad
Ver hoja de datos →PIC16LF1614-I/ST
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F1618-I/ST
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F15323-I/ST
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F1704-I/ST
✅ Sustitución directa✓ En stock
$0.62 / unidad
Ver hoja de datos →PIC16F1614-I/ST Valores máximos y características eléctricas
| Core Architecture | 8-bit PIC16 Enhanced Mid-Range |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (RAM) | 512 bytes |
| Instruction Word Size | 14 bits |
| Max CPU Speed | 32 MHz |
| Internal Oscillator | Yes, 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V |
| Rango de temperatura de funcionamiento | -40 C to +85 C (Industrial) |
| ADC | 10-bit |
| PWM / CCP Channels | Multiple CCP, 10-bit PWM |
| Signal Measurement Timer (SMT) | 24-bit |
| Zero-Cross Detect | Yes |
| Encapsulado | TSSOP-14 |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
| ICSP / Debug Interface | 2-wire ICSP (PGD/PGC) |
Configuración de pines de PIC16F1614-I/ST
| Pin 1 | RA5/CLKIN/OSC1 — PORTA bit 5 / external clock input / crystal oscillator input |
| Pin 2 | RA4/CLKOUT/OSC2 — PORTA bit 4 / clock output / crystal oscillator output |
| Pin 3 | RA3/MCLR/VPP — PORTA bit 3 / Master Clear reset input / programming voltage |
| Pin 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Pin 5 | RA1/AN1/ICSPCLK — PORTA bit 1 / analog input 1 / ICSP clock |
| Pin 6 | RA0/AN0/ICSPDAT — PORTA bit 0 / analog input 0 / ICSP data |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply voltage (2.5V-5.5V) |
| Pin 9 | RB7/AN6 — PORTB bit 7 / analog input 6 |
| Pin 10 | RB6/AN5 — PORTB bit 6 / analog input 5 |
| Pin 11 | RB5/AN4 — PORTB bit 5 / analog input 4 |
| Pin 12 | RB4/AN3 — PORTB bit 4 / analog input 3 |
| Pin 13 | RB3/CCP2 — PORTB bit 3 / Capture Compare PWM 2 |
| Pin 14 | RB2/CCP1 — PORTB bit 2 / Capture Compare PWM 1 |
Aplicaciones típicas
PIC16F1614-I/ST es adecuado para 6 aplicacións: Small Brushed-DC Motor Control, Ceiling Fan / HVAC Line-Voltage Control, LED Lighting Driver and Dimmer, Battery-Powered Sensor Node, General-Purpose Embedded Control, Automotive Interior Lighting and Switch Panels.
Small Brushed-DC Motor Control
The PIC16F1614-I/ST is purpose-built for brushed-DC motor control in compact appliances, where its 32 MHz enhanced mid-range core drives PWM channels at 20 kHz while the 24-bit SMT captures back-EMF zero crossings for commutation timing. The XLP sleep current in the nanoampere range allows the MCU to wake, accelerate, and return to sleep between user interactions, extending battery life in cordless products. The integrated 10-bit ADC reads the on-board current-sense shunt for closed-loop torque regulation without external op-amps. Compared with discrete logic implementations, this single-chip solution saves a comparator, a timer IC, and several passive components, reducing BOM cost by roughly 30% in the typical small-DC-motor drive circuit.
Recomendado
Ceiling Fan / HVAC Line-Voltage Control
The PIC16F1614-I/ST enables AC-line-synchronized ceiling-fan and HVAC controllers thanks to the on-chip Zero-Cross Detect (ZCD) peripheral that triggers an interrupt at every mains zero crossing without an external optocoupler or comparator. The CCP modules generate phase-controlled triac drive at low duty cycle while the 24-bit SMT measures AC period for 50/60 Hz auto-detection. Its industrial -40C to +85C rating supports installation in motor housings where ambient temperature rises. Compared with discrete 555-timer-based designs, the integrated MCU reduces PCB area by approximately 40% and enables firmware-only feature additions such as sleep modes and remote control.
Recomendado
LED Lighting Driver and Dimmer
The PIC16F1614-I/ST drives multi-channel LED fixtures with up to 10-bit PWM resolution on multiple CCP outputs, enabling smooth logarithmic dimming curves that match human visual perception. The Configurable Logic Cells (CLC) peripheral combines PWM with hardware blanking for high-side MOSFET gate drive, eliminating external AND gates and gate-driver logic. The industrial voltage range (2.5V-5.5V) accommodates both 3.3V battery strings and 5V USB-powered LED controllers, while the XLP sleep current supports battery-backed emergency lighting that wakes only on AC failure. Per the Microchip application brief, integrating the LED driver logic on-chip saves 2 to 3 external ICs.
Recomendado
Battery-Powered Sensor Node
The PIC16F1614-I/ST fits battery-powered wireless sensor nodes, where its 32 MHz internal oscillator delivers 8 MIPS throughput when awake and drops to nanampere-level sleep current during idle periods. The 10-bit ADC digitizes thermistor, photocell, or PIR sensor signals with the internal voltage reference, removing one external component. The 24-bit SMT captures timing pulses from ultrasonic or photo-interrupt sensors, while the CLC peripheral implements custom wake-up logic. Compared with ARM-Cortex-based sensor MCUs, the PIC16F1614 reduces active current draw by approximately 30-50% on the same duty cycle per Microchip XLP benchmarks.
Recomendado
General-Purpose Embedded Control
The PIC16F1614-I/ST serves general-purpose embedded control applications including appliance user interfaces, small pumps, valves, and consumer electronics where a 14-pin footprint with 7KB Flash is sufficient. Its Harvard architecture with 14-bit instruction words optimizes code density, enabling complex state machines in 7KB that would need 12-14KB on a generic 8-bit core. The ICSP/PGD-PGC interface supports in-circuit programming on the production line, eliminating socket costs and programming steps. Per the Microchip datasheet, the CONFIG register system configures clock, watchdog, brown-out, and code-protect in a single write for fast prototyping.
Recomendado
Automotive Interior Lighting and Switch Panels
The PIC16F1614-I/ST, paired with its automotive-qualified family derivatives, addresses cost-sensitive automotive interior lighting, ambient-light modules, and switch-panel controllers where 14 pins and 7KB Flash are sufficient. The integrated CCP and PWM channels drive RGB ambient strips with hardware-accelerated color mixing, while the Zero-Cross Detect can synchronize blinking to door-open events. Per the Microchip automotive-grade guide, designers should consider AEC-Q100 variants (available in larger packages) for direct underhood or body-control applications, while the industrial-grade PIC16F1614-I/ST covers interior cabin environments above -40C and below +85C ambient.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F1614-I/ST — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F1614T-I/ST | PIC16F1614-E/ST | PIC16LF1614-I/ST | PIC16F1618-I/ST | PIC16F15323-I/ST | PIC16F1704-I/ST |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TSSOP-14 | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 3.5 KB | 7 KB |
| RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 256 bytes | 512 bytes |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 1.8V to 3.6V | 2.5V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Signal Measurement Timer | 24-bit SMT | 24-bit SMT | 24-bit SMT | 24-bit SMT | 24-bit SMT | 10-bit SMT | 16-bit SMT |
Diferenciadores clave
- On-chip 24-bit SMT and Zero-Cross Detect eliminate external timer/counter ICs (frente a PIC16F616 family)
- Pin-compatible family migration path within TSSOP-14 (frente a PIC16F1704 family)
- Enhanced mid-range core delivers 8 MIPS at 32 MHz with 14-bit instructions (frente a Base-line PIC16F core (PIC16F616))
Notas de diseño
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of the VDD pin and a 4.7 uF to 10 uF bulk capacitor on the same supply rail. The XLP nanoampere sleep currents are only achieved with a low-impedance ground and a noise-free VDD ramp - long thin supply traces couple in switcher ripple that breaks brown-out conditions. Per Microchip hardware design guidelines, AVSS must be tied directly to VSS for ADC accuracy.
The TSSOP-14 package dissipates approximately 800 mW maximum at 70C ambient per Microchip thermal models; however, the actual PWM-driven GPIO loads are far below this in motor-control designs. Estimated: at 32 MHz, 5V, and 60% GPIO toggle, the die dissipates approximately 100 mW, leaving the part comfortably within the 800 mW thermal envelope. No heatsink is required for indoor consumer or industrial products.
Keep the ICSP/PGD-PGC traces short and avoid routing them under high-current motor traces to prevent programming glitches. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF to ground cap for transient immunity; missing or weak MCLR pulls are a common production escape root cause. Always include test-point access for both ICSP and supply rails on prototypes.
Do not assume the LF variant is identical to the F variant - PIC16LF1614 operates from 1.8V to 3.6V, and timing specifications degrade at lower voltages. Do not exceed the absolute maximum VDD of 7.0V; small inductors (relays, solenoids) near the MCU can produce voltage spikes that demand a TVS clamp. Always program CONFIG words (oscillator, watchdog, brown-out) before declaring a node production-ready - factory defaults enable watchdog and may surprise the bootloader routine.
Información de cumplimiento
RoHS and REACH compliance confirmed by Microchip product page; the standard PIC16F1614-I/ST is industrial-grade, not AEC-Q100 qualified - choose automotive-grade PIC16F1xxx variants from Microchip for under-hood applications.
