PIC16F1614-E/SL - 8-Bit MCU, 7KB Flash, 32MHz | Microchip
MPN: PIC16F1614-E/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.83 | $1.83 |
| 10 | $1.65 | $16.50 |
| 100 | $1.49 | $149.00 |
| 500 | $1.34 | $670.00 |
| 1,000 | $1.2 | $1,200.00 |
PIC16F1614-E/SL Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals such as timers, ADC, communication interfaces, and GPIO. Within the broader semiconductor taxonomy, an 8-bit MCU sits under microcontroller -> embedded processor -> integrated circuit. The PIC16F161x series specifically targets embedded control of small motors and general-purpose applications in 8/14/20-pin packages, integrating features such as 10-bit A/D, Capture/Compare/PWM (CCP), 24-bit Signal Measurement Timer (SMT), Zero-Cross Detection, and Complementary Waveform Generator for power-conversion control loops.
Key differentiating features of the PIC16F1614-E/SL include on-chip 10-bit ADC with computation, hardware limit timers for synchronous motor control, support for up to 32MHz internal oscillator operation, and integrated peripherals that reduce external component count. The -E (extended) temperature grade supports -40C to +125C operation, enabling industrial and automotive under-hood applications. The XLP technology delivers low-power Run and Sleep currents that suit battery-powered edge devices with multi-year lifetime requirements.
The architecture uses a Harvard RISC core with a single-cycle instruction pipeline and hardware multiplier-free instruction set, achieving deterministic interrupt response and fast context switching. On-chip peripherals are routed through Microchip's Peripheral Pin Select (PPS) subsystem, giving flexibility in PCB layout when migrating between 8, 14, and 20-pin variants within the PIC16F161x family.
Typical applications include small BLDC/PMSM motor control (fans, pumps, appliance blowers), LED lighting drivers with analog dimming, sensor interface boards, and general-purpose IoT edge nodes where 7KB Flash and 512B RAM are sufficient. The Zero-Cross Detection and 24-bit SMT simplify TRIAC-dimming and energy-metering front ends.
When designing with the PIC16F1614-E/SL, ensure the ICSP programming pins are accessible on the PCB and that VDD decoupling uses a 100nF ceramic placed within 5mm of the supply pin. For analog accuracy, configure the ADC with adequate acquisition time per the datasheet's impedance guidelines.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a single reference for sourcing, replacement, and engineering decisions.
Drop-in alternatives for PIC16F1614-E/SL — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F1614-E/SL (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Core, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1614-I/SL
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1614T-I/SL
✅ Drop-In✓ In Stock
$0.46 / Unit
View Datasheet →PIC16F1615-I/SL
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16F1618-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15325-E/SLVAO
✅ Drop-In✓ In Stock
$0.83 / Unit
View Datasheet →PIC16F15324-I/SL
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →PIC16F1614-E/SL Maximum Ratings & Electrical Characteristics
| Core | 8-bit PIC RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 512 bytes |
| Maximum CPU Frequency | 32 MHz |
| ADC | 10-bit on-chip |
| Temperature Grade | -40C to +125C (Extended, -E suffix) |
| Package | 14-pin SOIC (SL), 0.154" / 3.90mm width |
| Mounting Type | Surface Mount |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Special Features | 24-bit SMT, Zero-Cross Detection, 10-bit ADC with computation, CCP, CWG |
| RoHS Status | Compliant |
PIC16F1614-E/SL Pin Configuration
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | RA5 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 3 | RA4 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 4 | RA3/MCLR — GPIO or Master Clear (reset) input |
| Pin 5 | RC5 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 6 | RC4 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 7 | RC3 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 8 | RC2 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 9 | RC1 — GPIO / analog input / ICSPCLK (programming) |
| Pin 10 | RC0 — GPIO / analog input / ICSPDAT (programming) |
| Pin 11 | RA2 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 12 | RA1 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 13 | RA0 — GPIO / analog input (peripheral-mapped via PPS) |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16F1614-E/SL is suitable for 6 applications: Small BLDC/PMSM Motor Control, LED Lighting Drivers with Analog Dimming, Sensor Interface and Signal Conditioning, Battery-Powered IoT Edge Devices, Appliance Control Boards (White Goods), Automotive Body and Comfort Modules.
Small BLDC/PMSM Motor Control
The PIC16F1614-E/SL is well-suited for small BLDC and PMSM motor control in fans, pumps, and small appliance blowers. Its integrated 24-bit Signal Measurement Timer (SMT) enables precise back-EMF zero-crossing detection, while the Complementary Waveform Generator (CWG) drives half-bridge gate drivers with programmable dead-time insertion. The 32MHz CPU clock provides sufficient MIPS to run sensorless commutation algorithms in real time, and the extended -40C to +125C temperature range supports underhood automotive and industrial outdoor deployments where motor ambient temperatures can exceed 100C.
Recommended
LED Lighting Drivers with Analog Dimming
The PIC16F1614-E/SL drives constant-current LED strings with TRIAC-compatible analog dimming via its integrated Zero-Cross Detection (ZCD) peripheral. The ZCD hardware synchronizes phase-angle measurements to the AC mains without CPU overhead, freeing the 32MHz core to manage PWM dimming curves and thermal foldback. The 10-bit ADC reads LED current sense amplifiers and NTC thermistors for closed-loop brightness control. XLP low-power technology keeps standby consumption below 50 uA, supporting ENERGY STAR and EU Ecodesign standby requirements for connected lighting.
Recommended
Sensor Interface and Signal Conditioning
The PIC16F1614-E/SL serves as a multi-channel sensor interface hub for industrial IoT edge nodes. Its 10-bit ADC with computation (ADC2) handles hardware-averaged readings from temperature, pressure, and flow sensors while the CPU sleeps. The 24-bit SMT accurately timestamps pulse-based sensors such as ultrasonic transducers and flow meters with sub-microsecond resolution. Peripheral Pin Select (PPS) remaps peripherals to any GPIO, simplifying PCB routing when sensors are placed on opposite sides of the board.
Recommended
Battery-Powered IoT Edge Devices
The PIC16F1614-E/SL is ideal for battery-powered IoT edge devices requiring multi-year coin-cell operation. XLP technology delivers Sleep currents in the nA range and active currents under 50 uA/MHz at 1.8V-3.6V (on the LF variant). A typical duty-cycled sensor node running at 32MHz for 10ms every 5 minutes achieves average current below 15 uA, yielding >5 years from a CR2032. The extended temperature range supports outdoor deployments in industrial metering, agriculture, and asset-tracking applications.
Recommended
Appliance Control Boards (White Goods)
The PIC16F1614-E/SL operates as the main controller in white-goods appliance boards such as dishwashers, washing machines, and refrigerators. Its integrated peripherals (CCP, CWG, ADC) drive triac-controlled AC loads, read user-interface keypads, and monitor door switches. The 7KB Flash accommodates state-machine firmware plus diagnostic logs, while 512B SRAM supports protocol buffers for user-interface displays. The Extended -40C to +125C temperature grade survives the high-ambient compartments near compressor compartments.
Recommended
Automotive Body and Comfort Modules
The PIC16F1614-E/SL addresses automotive body-comfort applications such as seat controllers, mirror adjusters, ambient lighting, and HVAC damper control. The Extended -40C to +125C temperature grade meets automotive underhood and cabin requirements, while the 32MHz CPU handles LIN slave stack processing for body-control networks. Hardware CCP and PWM channels drive small DC motors and LED strings, and the 10-bit ADC reads potentiometer positions for seat-position memory functions.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1614-E/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1614-I/SL | PIC16F1614T-I/SL | PIC16F1615-I/SL | PIC16F1618-I/SL | PIC16F15325-E/SL |
|---|---|---|---|---|---|---|
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Temperature Grade | Extended (-40C to +125C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) |
| XLP Low Power | Yes | Yes | Yes | Yes | Yes | Yes |
| Family | PIC16F161x | PIC16F161x | PIC16F161x | PIC16F161x | PIC16F161x | PIC16F153xx |
Key Differentiators
- Extended temperature range over base I-grade part (vs PIC16F1614-I/SL)
- 24-bit Signal Measurement Timer integrated (vs PIC16F15325-E/SL)
- Zero-Cross Detection hardware peripheral (vs PIC16F15324-I/SL)
Design Notes
Place a 100nF decoupling capacitor within 5mm of the VDD pin (pin 1), with the trace length to the cap kept under 10mm. For designs with significant ADC activity, add a 10uF bulk capacitor near the MCU supply rail. The PIC16F1614-E/SL's internal voltage regulator requires the bulk cap to maintain regulation under transient CPU load steps. XLP Sleep current measurements require all unused GPIO pins to be configured as outputs low or inputs with the weak pull-up disabled.
The 14-pin SOIC land pattern follows JEDEC MS-012 with 1.27mm pin pitch. Reserve PCB space for the ICSP programming header (pin 9 ICSPCLK, pin 10 ICSPDAT) accessible from the board edge - even production boards should expose these pins for in-field firmware updates and failure analysis. Ground the thermal pad region with multiple vias to the inner ground plane to reduce EMI from the switching I/O pins.
Do NOT confuse the PIC16F1614-E/SL (Extended temp) with PIC16F1614-I/SL (Industrial temp) when sourcing - the temperature grade affects automotive and outdoor reliability. Verify the MPN suffix matches your BOM. When migrating to PIC16F15325-E/SL for cost reduction, plan for firmware changes - the PIC16F153xx family uses a different interrupt controller and PPS mapping despite the same 14-SOIC footprint.
The 10-bit ADC on the PIC16F1614-E/SL achieves specified accuracy only when the source impedance is below 10kOhm per the Microchip datasheet acquisition-time guidelines. For higher-impedance sensors (e.g., 100k thermistor dividers), add a unity-gain buffer op-amp to drive the ADC input. Use the ADC computation (ADC2) hardware averaging feature to reduce CPU overhead and improve noise rejection in sensor applications.
Compliance Information
RoHS and REACH compliant per Microchip product page. AEC-Q100 not specifically qualified for this part number; for AEC-Q100 automotive-qualified PIC16F161x variants, contact Microchip for the corresponding -VAO suffix part numbers. Lead-free and halogen-free per Microchip packaging specifications.
