PIC16F1614T-I/SL - 8-bit MCU, 7KB Flash, 32MHz | Microchip
MPN: PIC16F1614T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.95 | $0.95 |
| 10 | $0.86 | $8.60 |
| 100 | $0.74 | $74.00 |
| 500 | $0.62 | $310.00 |
| 1,000 | $0.52 | $520.00 |
| 3,000 | $0.46 | $1,380.00 |
PIC16F1614T-I/SL Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and configurable peripherals. The PIC16F1614 uses Microchip's enhanced mid-range 8-bit core running up to 32 MHz (8 MIPS) with a single-cycle instruction pipeline and 14-bit instruction word. The -I suffix indicates the industrial temperature range of -40C to +85C, while T denotes tape-and-reel packaging, and SL identifies the 14-pin SOIC outline.
Key features include 10-bit A/D with computation, 5-bit DAC, 8-bit/16-bit timers, angular timer (24-bit SMT), complementary waveform generator, hardware limit timer, configurable logic cell (CLC), math accelerator, and an HF 32 MHz internal oscillator with +/- 2% accuracy. The XLP (eXtreme Low Power) variant retains active-mode current under 100 uA/MHz and sleep currents in the nA range, enabling battery-friendly duty-cycled designs.
The PIC16F161X architecture delivers CIP (Core Independent Peripherals) such as CLC and SMT that offload state-machine and timing tasks from the CPU, allowing closed-loop fan control, lighting fade, and small-motor trapezoidal commutation without firmware overhead. With 7KB Flash (4K x 14 words) and 512 bytes RAM, the device targets cost-sensitive 8-bit applications that still need modern analog integration.
Typical applications include small DC and stepper motor control loops, fan and pump RPM regulation, LED lighting controllers with dimming, household appliances, and general-purpose mixed-signal embedded control. The 14-pin SOIC footprint also simplifies migration from older PIC16F1xxx designs. Industrial-grade temperature and on-chip CIP make this MCU a strong fit for appliance and IoT edge nodes.
Design tip: ensure the MCLR pin has the recommended 10 kohm pull-up and a 0.1 uF bypass capacitor on VDD within 5 mm of the pin. The ZCD and CCP peripherals are configured independently via PPS, so pin mapping must be finalized before firmware lock-in.
This page synthesizes distributor pricing, drop-in alternative MPNs from the same Microchip PIC16F161X family, and practical design notes not aggregated in the manufacturer datasheet, helping procurement and embedded engineers evaluate the PIC16F1614T-I/SL against competing 14-pin 8-bit MCU options.
Drop-in alternatives for PIC16F1614T-I/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 PIC16F1614T-I/SL (same form factor and footprint) — differing in ADC, Core, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1614-I/SL
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1614T-E/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1614-E/SL
✅ Drop-In✓ In Stock
$1.2 / Unit
View Datasheet →PIC16F1614T-I/SLVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1614T-I/SL Maximum Ratings & Electrical Characteristics
| Core | PIC16 enhanced mid-range 8-bit |
| Instruction Word Width | 14-bit |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| RAM | 512 bytes |
| CPU Clock Speed | 32 MHz (8 MIPS) |
| Internal Oscillator | HF 32 MHz, +/- 2% accuracy |
| ADC | 10-bit, with computation |
| DAC | 5-bit |
| Timers | 8-bit and 16-bit timers; 24-bit SMT |
| CCP | Capture/Compare/PWM |
| CWG | Complementary Waveform Generator |
| CLC | Configurable Logic Cell |
| ZCD | Zero-Cross Detection |
| Math Accelerator | Yes (hardware) |
| PPS | Peripheral Pin Select |
| I/O Pins | Up to 12 (14-pin package dependent) |
| Operating Voltage (VDD) | 2.5V / 3.3V / 5V |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 14-pin SOIC (SL) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| XLP (eXtreme Low Power) | Yes |
| Family | PIC16F161X |
PIC16F1614T-I/SL Pin Configuration
| Pin 1 | RA3/AN3/C1IN+/CWG1FLT/CCP2/SMT1SIG/ZCD — Bidirectional I/O; analog input 3; ZCD and CCP2 alternate functions |
| Pin 2 | RA4/AN4/T0CKI/CWG1D5/CCP3/PPS — Bidirectional I/O; analog input 4; Timer0 clock input |
| Pin 3 | RA5/AN5/DAC5OUT/CWG1D6/CCP4 — Bidirectional I/O; analog input 5; 5-bit DAC output |
| Pin 4 | VSS — Ground reference |
| Pin 5 | VDD — Positive supply voltage (2.5V to 5V) |
| Pin 6 | RA2/AN2/CWG1FLT2/CCP5/PPS — Bidirectional I/O; analog input 2 |
| Pin 7 | RA1/AN1/C1IN-/ICSPCLK — Bidirectional I/O; analog input 1; ICSP clock |
| Pin 8 | RA0/AN0/C1IN+/ICSPDAT — Bidirectional I/O; analog input 0; ICSP data |
| Pin 9 | PPS/MCLR/RA6 — Master clear reset (active-low) or I/O with PPS |
| Pin 10 | RB4/AN6/SDA/SDI/PPS — Bidirectional I/O; I2C/SPI alternate functions |
| Pin 11 | RB5/AN7/SCL/SCK/PPS — Bidirectional I/O; I2C/SPI alternate functions |
| Pin 12 | RB6/ICSP_TX/CK — Bidirectional I/O; serial programming/debug clock |
| Pin 13 | RB7/ICSP_DAT/DT — Bidirectional I/O; serial programming/debug data |
| Pin 14 | VSS — Ground reference (secondary VSS on 14-pin SOIC) |
Typical Applications
PIC16F1614T-I/SL is suitable for 6 applications: Small DC and Stepper Motor Control, Fan and Pump RPM Regulation, LED Lighting with Dimming, Household Appliance Control, General-Purpose Mixed-Signal Embedded Control, IoT Edge Sensor Nodes.
Small DC and Stepper Motor Control
The PIC16F1614T-I/SL is well matched to small motor control because its 24-bit Signal Measurement Timer (SMT) and Complementary Waveform Generator (CWG) deliver trapezoidal commutation and back-EMF sampling without CPU round-trip latency. The 10-bit ADC with computation, Zero-Cross Detection, and hardware limit timer let the MCU detect rotor stalls within microseconds and shut down the H-bridge safely. Engineers typically place the device between an H-bridge driver and the power stage, using the CLC to combine PWM and fault inputs offline. Industrial temperature rating to +85C and 5V VDD tolerance simplify UL/CE compliance for appliance-class motor designs.
Recommended
Fan and Pump RPM Regulation
Closed-loop fan and pump RPM regulation benefits from the PIC16F1614T-I/SL's 24-bit SMT for tachometer capture and the 10-bit ADC with computation for sensor conditioning. The math accelerator offloads duty-cycle proportional-integral math from the core, allowing the MCU to maintain tight RPM tolerance even at low fan speeds where noise coupling dominates. With an HF 32 MHz internal oscillator at +/- 2% accuracy, the controller is frequency-stable without external resonators, reducing BOM and PCB area in slim fan-pack designs.
Recommended
LED Lighting with Dimming
Dimmable LED lighting controllers leverage the PIC16F1614T-I/SL's 16-bit CCP for high-resolution PWM dimming and the CWG for synchronized multi-channel lighting. The ZCD peripheral enables AC-line phase-cut dimmer interface, while the 10-bit ADC reads thermistor inputs for LED-junction temperature foldback. The Configurable Logic Cell (CLC) routes PWM and fault signals without CPU wake-up, achieving sub-microsecond fault response and supporting Energy Star standby targets. XLP current figures in the nA range let battery-powered lighting remotes idle for years.
Recommended
Household Appliance Control
Washing machines, dishwashers, and rice cookers benefit from the PIC16F1614T-I/SL's mix of 5-bit DAC for user-interface references, 10-bit ADC for sensor readout, and the hardware limit timer for safety timeout enforcement. The 32 MHz core provides 8 MIPS, sufficient for PID loops on heater elements and brushless motor pumps simultaneously. The CLC peripheral can implement an emergency-stop interlock that bypasses firmware entirely, satisfying IEC 60730 safety-class B routines. Industrial temperature grade and SOIC-14 footprint ease hand-soldering during prototyping.
Recommended
General-Purpose Mixed-Signal Embedded Control
The PIC16F1614T-I/SL fits general-purpose mixed-signal designs where 7 KB Flash, 512 B RAM, and the CLC plus math accelerator replace several external logic ICs. The Peripheral Pin Select (PPS) remap function allows designers to reassign UART, I2C, SPI, and timer pins on the fly, simplifying PCB layout rework during development. With 2.5V-5V VDD operation the MCU interfaces directly to 5V sensors and 3.3V logic via the same supply rail with internal level shifting on selected I/O. The 14-pin SOIC keeps the board footprint smaller than typical 20-pin PIC16F1618 designs.
Recommended
IoT Edge Sensor Nodes
Battery-powered IoT edge sensor nodes benefit from the PIC16F1614T-I/SL's XLP active current under 100 uA/MHz and deep-sleep currents in the nA range, supporting multi-year coin-cell operation. The CLC and SMT peripherals wake the CPU only on defined events such as a sensor threshold or RTC tick, reducing firmware wake-cycle complexity. The 32 MHz core processes ADC, math, and radio-control tasks within a few hundred microseconds, then returns to sleep. The 14-pin SOIC-14 footprint is well matched to compact sensor-pack designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1614T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1614-I/SL | PIC16F1614T-E/SL | PIC16F1614-E/SL | PIC16F1614T-I/SLVAO | PIC16F1574-I/ST |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-TSSOP (ST) - different |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C | -40C to +85C |
| Packaging Format | Tape & Reel (T) | Tube / Tray | Tape & Reel | Tube / Tray | Tape & Reel | Tube / Tray |
Key Differentiators
- Industrial temperature rating packaged for high-volume assembly (vs PIC16F1614-I/SL)
- Wider thermal envelope in the same SOIC-14 footprint (vs PIC16F1614T-E/SL)
- Differentiator vs 8-pin PIC16F1613 within the same family (vs PIC16F1613-I/P)
Design Notes
Place a 0.1 uF ceramic bypass capacitor within 5 mm of the VDD pin (pin 5) and a bulk 1 uF to 10 uF electrolytic or ceramic close to the supply entry point. Industrial-grade designs should also add a 10 ohm ferrite bead on VDD to suppress motor back-EMF coupling. The internal 32 MHz oscillator draws roughly 1 mA, so duty-cycled firmware is essential for battery applications - estimate that a 1% duty-cycle with the XLP profile keeps average current under 30 uA.
Route the ICSPDAT (pin 8) and ICSPCLK (pin 7) traces directly to a 2x3 or 1x6 header on the board edge for in-circuit serial programming. Keep MCLR (pin 9) pulled up through 10 kohm to VDD and bypassed by 0.1 uF to VSS to meet the Microchip AC/DC electrical spec for reset. Avoid running high-current motor traces under the IC to prevent ground-bounce noise from corrupting ADC readings.
The PIC16F1614T-I/SL shares the -I (industrial) suffix with PIC16F1613 and PIC16F1614 variants; confirm the silicon revision and PPS availability from the device ID before reusing code from older PIC16F1xxx projects. The 24-bit SMT and CLC peripheral bit-fields are write-protected in software, so unlocking requires the WRTC sequence in the CONFIGURATION word. Exceeding 5V on any I/O pin will permanently damage the part - clamp transients on motor-driver lines with TVS diodes.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified in the standard -I suffix; for AEC-Q100 use the PIC16F1614-E automotive grade variant.
