PIC16LF1574T-I/SL - 8-Bit MCU, 7KB Flash, 12 I/O | Microchip
MPN: PIC16LF1574T-I/SL ✓ فعالPIC16LF1574T-I/SL جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a set of peripherals (ADC, timers, communication interfaces) into one package. Within the broader component taxonomy, an MCU belongs to the integrated circuit family, then to the microcontroller sub-family, then to 8-bit microcontrollers, and specifically to the PIC16 family of low-power Flash MCUs from Microchip. The "LF" prefix designates the wide-Vdd, low-power variant suitable for battery-powered and energy-harvesting designs.
Key features include 12 I/O pins, an internal oscillator, support for up to 32 MHz operation, 1.8 V to 3.6 V supply voltage, and CIPs that offload tasks like waveform generation and signal conditioning from the core. The integrated 5-bit DAC and 10-bit ADC simplify mixed-signal designs by eliminating external converters in cost-sensitive applications.
Technically, the device uses a RISC-based PIC16 core with a 14-bit instruction word and a 16-level hardware stack. The Flash-based program memory supports in-circuit serial programming (ICSP) and self-programming, allowing field firmware updates. The device is engineered for low-power operation with nanoWatt XLP technology, supporting sleep currents down to the nanoampere range, making it suitable for always-on sensor and IoT edge nodes.
Typical applications include LED lighting control (using CWG and 16-bit PWM), general-purpose IoT sensor nodes, consumer appliance control, battery-powered instrumentation, and low-cost motor control. Its 14-SOIC footprint makes it well-suited for hand-soldered prototypes and small-batch production.
When designing with this MCU, leave adequate ground and supply decoupling (100 nF + bulk) close to the VDD pins, and reserve the ICSP/PGD/PGC pins for in-circuit programming access. If your application needs more memory or peripherals, consider PIC16LF1575 (28-pin) before changing architecture families.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, with cross-references to the PIC16LF1574-I/SL and PIC16LF1554-I/SL parts.
کے لیے ڈراپ اِن متبادل PIC16LF1574T-I/SL — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16LF1574T-I/SL (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Core Architecture, DAC, Timers.
PIC16LF1574-I/SL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1554-I/SL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1615T-I/SL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1574-E/SL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF15325T-I/SL
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1574T-I/SL زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 8-bit RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (RAM) | 512 bytes |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 12 |
| ADC | 10-bit, up to 8 channels |
| DAC | 5-bit, 1 channel |
| Timers | 8-bit and 16-bit timers |
| PWM | 16-bit PWM (Core Independent Peripheral) |
| Complementary Waveform Generator (CWG) | Yes |
| Configurable Logic Cells (CLC) | Yes |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial, "I") |
| پیکیج | 14-SOIC (3.90 mm body width) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 1 |
| RoHS اسٹیٹس | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
PIC16LF1574T-I/SL پن کنفیگریشن
| پن 1 | RA5/SS/HLVDIN/RCV — Digital I/O / Slave Select / High-Low Voltage Detect input |
| پن 2 | RA4/AN3/CWG1A/CWG2A/TX/CK — Digital I/O / ADC input / CWG output / UART TX |
| پن 3 | RA3/MCLR/VPP — Digital I/O / Master Clear reset (active low) / programming voltage |
| پن 4 | RA2/AN2/DACOUT1/CWG1F/CWG2F — Digital I/O / ADC input / DAC output / CWG output |
| پن 5 | RA1/AN1/CWG1B/CWG2B/ICSPCLK — Digital I/O / ADC input / CWG output / ICSP clock |
| پن 6 | RA0/AN0/ICSPDAT — Digital I/O / ADC input / ICSP data |
| پن 7 | VSS — Ground reference |
| پن 8 | RA7/OSC1/CLKIN — Digital I/O / external clock input / crystal oscillator |
| پن 9 | RA6/OSC2/CLKOUT — Digital I/O / crystal oscillator output / clock output |
| پن 10 | RC2/AN6/CWG1C/CWG2C — Digital I/O / ADC input / CWG output |
| پن 11 | RC1/AN5/CWG1D/CWG2D — Digital I/O / ADC input / CWG output |
| پن 12 | RC0/AN4 — Digital I/O / ADC input |
| پن 13 | RC3/AN7 — Digital I/O / ADC input |
| پن 14 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
عام استعمالات
PIC16LF1574T-I/SL کے لیے موزوں ہے 6 ایپلیکیشنs: LED Lighting and Dimming Control, Battery-Powered IoT Sensor Nodes, Consumer Appliance Control, General-Purpose Digital I/O and PWM, Low-Cost Mixed-Signal Front-End, Educational and Prototype Development.
LED Lighting and Dimming Control
The PIC16LF1574T-I/SL is well-suited for LED lighting and dimming because its integrated 16-bit PWM, Complementary Waveform Generator (CWG), and 5-bit DAC eliminate the need for external PWM controllers and analog references. Designers typically drive a half-bridge MOSFET stage from the CWG outputs to generate constant-frequency PWM with programmable dead-band, achieving flicker-free dimming down to 1% duty cycle. The wide 1.8-3.6 V VDD range allows direct Li-ion or 2x AA battery operation, while the 32 MHz core handles DMX, DALI, or 0-10 V analog dimming protocols without external interface ICs.
تجویز کردہ
Battery-Powered IoT Sensor Nodes
The "LF" low-power designation, 1.8-3.6 V VDD range, and nanoWatt XLP sleep modes make PIC16LF1574T-I/SL a natural fit for battery-powered IoT sensor nodes that must run for years on a single coin cell. The integrated 10-bit ADC digitizes sensor outputs (temperature, light, occupancy) without external converters, while the CLC and CWG peripherals handle sensor timing and wake-up events autonomously, keeping the CPU in sleep most of the time. Typical sleep currents below 1 µA extend battery life to multi-year deployments in remote or inaccessible locations.
تجویز کردہ
Consumer Appliance Control
PIC16LF1574T-I/SL targets consumer appliance control boards where cost, footprint, and a stable peripheral set are critical. The 14-SOIC package hand-solders cleanly for prototypes, and the 7 KB Flash comfortably fits state-machine control firmware for coffee makers, rice cookers, fans, and small kitchen appliances. The CLC cells can decode rotary-encoder inputs in hardware, freeing the core for display-driving and safety timing tasks, while the 10-bit ADC reads NTC temperature sensors and potentiometer set-points without external components.
تجویز کردہ
General-Purpose Digital I/O and PWM
The PIC16LF1574T-I/SL serves well as a generic I/O expander with PWM and timing capability when a system host needs additional GPIOs, PWM channels, or analog inputs beyond what its main controller provides. The I2C/SPI slave-capable MSSP peripheral allows the MCU to act as a smart peripheral, exposing registers to a host processor over a standard serial link. The 12 I/O pins, 16-bit PWM, and 10-bit ADC are typically sufficient to drive multiple motors, valves, or indicator LEDs from a single small MCU.
تجویز کردہ
Low-Cost Mixed-Signal Front-End
The integrated 10-bit ADC and 5-bit DAC of the PIC16LF1574T-I/SL make it a low-cost mixed-signal front-end for sensor signal conditioning and set-point generation. The DAC drives analog references or bias voltages, while the ADC digitizes return signals with 10-bit resolution (1024 levels) - adequate for many industrial and instrumentation measurements. Combined with the 32 MHz CPU and on-chip CLC cells, the MCU can implement closed-loop PID control entirely in firmware without external analog ICs.
تجویز کردہ
Educational and Prototype Development
The PIC16LF1574T-I/SL is widely used in university curricula and hobbyist projects because the 14-SOIC package is hand-solderable, the peripheral set covers most introductory embedded topics (ADC, PWM, timers, I2C/SPI), and the MPLAB X IDE with XC8 compiler is free to download. Students can implement timers, ADC sampling, PWM motor control, and serial communications without paying for toolchains. The PICkit 3/4 programmer connects to the ICSP pins, enabling easy in-circuit debugging.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF1574T-I/SL — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LF1574-I/SL | PIC16LF1554-I/SL | PIC16LF1615T-I/SL | PIC16LF1574-E/SL | PIC16LF15325T-I/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same | 14-SOIC - same |
| Flash Memory | 7 KB (4K x 14) | 7 KB - same | 7 KB - same | 7 KB | 7 KB - same | 14 KB |
| RAM | 512 B | 512 B - same | 512 B - same | 512 B | 512 B - same | 1024 B |
| Maximum CPU Speed | 32 MHz | 32 MHz - same | 32 MHz - same | 32 MHz | 32 MHz - same | 32 MHz |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V |
| I/O Pins | 12 | 12 - same | 12 - same | 12 | 12 - same | 12 |
| 5-bit DAC | Yes (1 ch) | Yes - same | No | Yes | Yes - same | Yes |
| Complementary Waveform Generator | Yes | Yes - same | No | Yes | Yes - same | Yes |
| Temperature Grade | Industrial -40C to +85C | Industrial - same | Industrial - same | Industrial | Extended -40C to +125C | Industrial |
اہم امتیازی خصوصیات
- Built-in 5-bit DAC and Complementary Waveform Generator (CWG) (بمقابلہPIC16LF1554-I/SL)
- Industrial temperature grade versus commercial only (بمقابلہPIC16F1574T-I/SL)
- Same-family 14-SOIC options with different temp grade (بمقابلہPIC16LF1574-E/SL)
ڈیزائن نوٹس
Decouple VDD with both a 100 nF ceramic capacitor placed within 5 mm of the VDD pin and a bulk capacitor (1-10 µF) close to the device. The PIC16LF1574T-I/SL's ADC readings can be corrupted by VDD ripple during heavy I/O switching, so a low-ESR decoupling cap is essential. For battery-powered designs, the bulk cap also helps the MCU ride out brief load transients from connected peripherals (e.g., radio modules) without brown-out resets. Place a ferrite bead in series with VDD if the rail is shared with switching converters.
Pin 3 (RA3/MCLR/VPP) is the Master Clear reset input on the PIC16LF1574T-I/SL - if MCLR is enabled in configuration bits, this pin must see a defined logic level at power-up or the MCU will not start. Leave it as a digital input only if the configuration bits disable MCLR. For ICSP programming, this pin also carries VPP (programming voltage); a weak pull-up (10-47 kΩ) to VDD is the standard practice. Forgetting to configure MCLR or the ICSPCLK/ICSPDAT pins for digital I/O are the two most common reasons a PIC16 design does not start up.
Route the ICSP signals (ICSPDAT on RA0, ICSPCLK on RA1) with short, parallel traces to a 6-pin header compatible with PICkit 3/4. Avoid routing noisy switching signals (PWM, relay drivers) adjacent to the ICSP lines or the ADC analog inputs (AN0-AN7) - cross-coupling can cause programming failures or ADC noise. For ADC accuracy, dedicate a ground pour under the analog pins and use a star-ground topology tying analog and digital grounds at a single point near the MCU's VSS pin.
تعمیل کی معلومات
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - this is a general-purpose industrial MCU, not automotive grade. For AEC-Q100 automotive applications use the PIC16LF1574-E/SL extended temperature grade as a starting point.
