PIC16LF747-I/PT - 8-Bit MCU, 7KB Flash, 44-TQFP | Microchip
MPN: PIC16LF747-I/PT ✓ فعالPIC16LF747-I/PT جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripheral interfaces onto one IC. The PIC16LF747 belongs to the RISC (Reduced Instruction Set Computer) architecture family, characterized by a small, orthogonal 35-instruction set optimized for deterministic execution. This places the PIC16LF747 within the broader hierarchy of: 8-bit microcontroller -> RISC microcontroller -> embedded MCU -> semiconductor IC. RISC MCUs like the PIC16LF747 excel in real-time control applications where predictable interrupt latency and low power consumption are paramount.
Key features of the PIC16LF747-I/PT include: 200 ns instruction execution time at 20 MHz (10 MIPS equivalent at 5V), four 8-bit timers plus two 16-bit Capture/Compare/PWM (CCP) modules, a USART with addressable addressing for multi-drop communication, an SPI/I2C-compatible synchronous serial port, dual analog comparators with programmable on-chip voltage reference, and an internal 8 MHz oscillator with PLL options. The 'LF' prefix indicates low-voltage operation from 2.0V to 5.5V, distinguishing it from the 'F' variants (PIC16F747) which target 4.0V-5.5V. The industrial temperature grade ('I') spans -40C to +85C.
Architecturally, the PIC16LF747 uses Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The enhanced FLASH cell supports >100K erase/write cycles typical and >40-year data retention, making it suitable for long-lifecycle industrial products. The 14 ADC channels share a single 10-bit successive-approximation converter with selectable reference voltages.
Typical applications for the PIC16LF747-I/PT include industrial automation controllers, sensor signal conditioning with on-chip ADC, low-power battery monitoring systems, automotive interior accessories (non-safety), HVAC control boards, and consumer white goods requiring reliable 8-bit control with mixed-signal integration. The wide 2.0V-5.5V range suits both 3.3V and 5V system designs.
When designing with this MCU, ensure the ICSP/ICD programming pins (RB6, RB7) are accessible for in-circuit debugging. The MCLR reset pin requires a 10 kohm pull-up to VDD. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the package, and add a 10 uF bulk capacitor on the VDD rail. The 44-TQFP package has a low thermal resistance of approximately 50 C/W, suitable for industrial environments.
This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not consolidated on any single distributor product page.
کے لیے ڈراپ اِن متبادل PIC16LF747-I/PT — 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 PIC16LF747-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Package, Timers, Operating Temperature, Communication.
PIC16F747-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF737-I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF727-I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F757-I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF707-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1937-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1936-I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF1947-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF747-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 (8-bit RISC) |
| Program Memory (FLASH) | 7 KB (4K x 14 words) |
| RAM | 368 bytes |
| EEPROM Data Memory | 256 bytes |
| زیادہ سے زیادہ کلاک فریکوئنسی | 20 MHz (10 MIPS at 5V); 10 MHz at 2.0V |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 36 digital I/O |
| ADC | 14 channels, 10-bit resolution |
| Timers | 4 x 8-bit + 2 x 16-bit CCP |
| Communication Peripherals | USART (addressable), SPI, I2C (MSSP) |
| Analog Comparators | 2 with programmable voltage reference |
| Instruction Set | 35 instructions, 200 ns at 20 MHz |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial grade) |
| پیکیج | 44-TQFP (10x10 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (168 hours) |
| RoHS اسٹیٹس | Compliant |
| Internal Oscillator | 8 MHz with PLL options |
PIC16LF747-I/PT پن کنفیگریشن
| پن 1 | MCLR/VPP/RE3 — Master Clear (reset) input / programming voltage / digital I/O RE3 |
| پن 2 | RA0/AN0 — PORTA bit 0 / analog input channel 0 |
| پن 3 | RA1/AN1 — PORTA bit 1 / analog input channel 1 |
| پن 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input channel 2 / ADC negative reference |
| پن 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input channel 3 / ADC positive reference |
| پن 6 | RA4/T0CKI/C1OUT — PORTA bit 4 / Timer0 clock input / Comparator 1 output |
| پن 7 | RA5/AN4/SS/C2OUT — PORTA bit 5 / analog input channel 4 / SPI slave select / Comparator 2 output |
| پن 8 | RE0/RD/AN5 — PORTE bit 0 / parallel slave port read / analog input channel 5 |
| پن 9 | RE1/WR/AN6 — PORTE bit 1 / parallel slave port write / analog input channel 6 |
| پن 10 | RE2/CS/AN7 — PORTE bit 2 / parallel slave port chip select / analog input channel 7 |
| پن 11 | VDD — Positive supply voltage (2.0V to 5.5V) |
| پن 12 | VSS — Ground reference |
| پن 13 | OSC1/CLKI — Oscillator crystal input / external clock input |
| پن 14 | OSC2/CLKO — Oscillator crystal output / clock output |
| پن 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| پن 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 output |
| پن 17 | RC2/CCP1 — PORTC bit 2 / CCP1 output |
| پن 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 19 | RD0 — PORTD bit 0 (parallel slave port data) |
| پن 20 | RD1 — PORTD bit 1 (parallel slave port data) |
| پن 21 | RD2 — PORTD bit 2 (parallel slave port data) |
| پن 22 | RD3 — PORTD bit 3 (parallel slave port data) |
| پن 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 25 | RC6/TX/CK — PORTC bit 6 / USART asynchronous transmit / synchronous clock |
| پن 26 | RC7/RX/DT — PORTC bit 7 / USART asynchronous receive / synchronous data |
| پن 27 | RD4 — PORTD bit 4 (parallel slave port data) |
| پن 28 | RD5 — PORTD bit 5 (parallel slave port data) |
| پن 29 | RD6 — PORTD bit 6 (parallel slave port data) |
| پن 30 | RD7 — PORTD bit 7 (parallel slave port data) |
| پن 31 | VSS — Ground reference (second connection) |
| پن 32 | VDD — Positive supply voltage (second connection) |
| پن 33 | RB0/INT0/AN8 — PORTB bit 0 / external interrupt 0 / analog input channel 8 |
| پن 34 | RB1/INT1/AN9 — PORTB bit 1 / external interrupt 1 / analog input channel 9 |
| پن 35 | RB2/INT2/AN10 — PORTB bit 2 / external interrupt 2 / analog input channel 10 |
| پن 36 | RB3/INT3/AN11/CCP2 — PORTB bit 3 / external interrupt 3 / analog input 11 / CCP2 alt |
| پن 37 | RB4/AN12 — PORTB bit 4 / analog input channel 12 |
| پن 38 | RB5/AN13 — PORTB bit 5 / analog input channel 13 |
| پن 39 | RB6/PGC — PORTB bit 6 / ICSP programming clock (also digital I/O) |
| پن 40 | RB7/PGD — PORTB bit 7 / ICSP programming data (also digital I/O) |
| پن 41 | AVDD — Analog positive supply (tie to VDD) |
| پن 42 | AVSS — Analog ground (tie to VSS) |
| پن 43 | RA6/OSC2/CLKO — PORTA bit 6 / alternate oscillator output / clock output |
| پن 44 | RA7/OSC1/CLKI — PORTA bit 7 / alternate oscillator input / clock input |
عام استعمالات
PIC16LF747-I/PT کے لیے موزوں ہے 7 ایپلیکیشنs: Industrial Automation Controllers, Battery-Powered Sensor Modules, HVAC Control Boards, Consumer White Goods Control, Automotive Interior Accessories, Portable Medical Monitoring Devices, Security and Access Control Panels.
Industrial Automation Controllers
The PIC16LF747-I/PT fits industrial automation controllers because its 7 KB FLASH accommodates ladder-logic interpreters and Modbus RTU slave firmware, while 36 I/O pins drive relays, optocouplers, and 24V sensors directly. The 14-channel 10-bit ADC samples 4-20 mA loop inputs through burden resistors, and the 2.0V-5.5V range tolerates 24V industrial rails stepped down via DC-DC. Hardware USART with addressable mode simplifies multi-drop RS-485 networks typical of PLC I/O modules. The industrial -40C to +85C grade and >100K FLASH endurance meet factory-floor MTBF targets.
تجویز کردہ
Battery-Powered Sensor Modules
The PIC16LF747-I/PT is ideal for battery-powered sensor modules because its 2.0V minimum supply allows direct operation from 2x AA alkaline or single-cell Li-ion, while Sleep mode current below 1 uA extends battery life to years. The 14 ADC channels multiplex thermocouple, thermistor, and pressure-sensor inputs through low-side current references; 256-byte EEPROM stores calibration coefficients across power cycles. Internal 8 MHz oscillator with PLL eliminates external crystal cost. Sensor nodes using this MCU on 4x AA packs achieve >5-year battery life at 1 sample per minute duty cycles.
تجویز کردہ
HVAC Control Boards
The PIC16LF747-I/PT serves HVAC control boards because its 4 timers plus 2 CCP modules generate multiple PWM channels for variable-speed blower motors and damper actuators, while the 14-channel ADC reads thermistor temperature strings and pressure transducers. The 5.5V upper supply tolerates rectified 24VAC transformer rails after regulation. USART interfaces to display boards and Wi-Fi/BLE modules for smart thermostat connectivity. Industrial -40C to +85C operation covers attic and outdoor equipment environments.
تجویز کردہ
Consumer White Goods Control
The PIC16LF747-I/PT fits consumer white-goods controllers such as washing machines, dishwashers, and microwave ovens because its 36 I/O pins interface directly to LED arrays, keypads, seven-segment displays, and motor-driver enable signals without external mux ICs. The 7 KB FLASH stores appliance firmware including motor-control sequences, fault detection, and user-interface state machines. EEPROM retains user settings and diagnostic logs across power cycles. Wide 2.0V-5.5V supply tolerates rectified mains operation, and 35-instruction RISC core enables deterministic interrupt response for safety-critical lock-out logic.
تجویز کردہ
Automotive Interior Accessories
The PIC16LF747-I/PT suits non-safety automotive interior applications such as seat controllers, mirror adjusters, ambient lighting, and infotainment auxiliary controls. Its 2.0V-5.5V range handles 12V battery after regulator, and -40C to +85C covers cabin temperature extremes. CCP modules generate PWM signals for LED dimming and motor speed control; USART interfaces to body-control modules via LIN-bus transceivers. EEPROM stores user preferences (seat position, mirror angles) across battery disconnect events.
تجویز کردہ
Portable Medical Monitoring Devices
The PIC16LF747-I/PT fits portable medical monitoring peripherals such as pulse oximeters, blood-pressure monitors, and digital thermometers because its 10-bit ADC samples optical sensor signals with adequate resolution for SpO2 calculation, while Sleep mode below 1 uA preserves battery life across patient-use cycles. The 256-byte EEPROM stores patient measurement history, and the USART streams data to BLE modules for smartphone connectivity. Hardware I2C interfaces to digital temperature and pressure sensors; wide 2.0V-5.5V supports Li-ion single-cell packs with direct ADC battery monitoring.
تجویز کردہ
Security and Access Control Panels
The PIC16LF747-I/PT is well suited for security alarm panels and access-control systems because its 36 I/O pins interface directly to keypad matrices, magnetic-reed door sensors, PIR motion detectors, and siren drivers. The 14 ADC channels monitor backup-battery voltage and glass-break acoustic sensors. 256-byte EEPROM retains zone-configuration and user-codes through power-loss events; USART interfaces to GSM/GPRS dialer modules for alarm reporting. Industrial -40C to +85C operation covers unheated garages and outdoor enclosures.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF747-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F747-I/PT | PIC16LF737-I/PT | PIC16LF727-I/PT | PIC16F757-I/PT | PIC16LF707-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| FLASH Program Memory | 7 KB | 7 KB | 4 KB | 8 KB | 7 KB | 14 KB |
| Operating Voltage Range | 2.0V to 5.5V | 4.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 4.0V to 5.5V | 2.0V to 5.5V |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 12-bit | 12-bit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| RAM | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes | 368 bytes |
اہم امتیازی خصوصیات
- Wider operating voltage range (2.0V-5.5V) vs F-variant (بمقابلہPIC16F747-I/PT)
- Larger FLASH (7 KB) vs entry-level F7x member (بمقابلہPIC16LF737-I/PT)
- Enhanced ADC resolution on cross-sibling (بمقابلہPIC16F757-I/PT)
ڈیزائن نوٹس
Decouple VDD (pins 11 and 32) with a 100 nF X7R ceramic capacitor placed within 5 mm of each VDD pin. Add a 10 uF bulk tantalum or ceramic capacitor on the VDD rail. For ADC accuracy, place a 100 nF + 10 uF decoupling pair on AVDD (pin 41) tied to AVSS (pin 42) which should connect to VSS via a single-point ground. The MCU draws approximately 2-15 mA active current depending on clock speed; Sleep mode drops to <1 uA at 2V.
Route ICSP pins RB6 (pin 39, PGC) and RB7 (pin 40, PGD) to a 6-pin ICSP header with 100 ohm series resistors placed within 50 mm of the MCU to enable in-circuit programming and debugging. Keep crystal traces (OSC1/OSC2, pins 13/14) short and guarded with ground pour; use 22 pF load capacitors for a 20 MHz crystal. The 44-TQFP has a thermal pad on the underside that should be soldered to a ground copper pour for heat spreading, although the MCU dissipates less than 200 mW typical.
Do not leave the MCLR pin (pin 1) floating - always use a 10 kohm pull-up to VDD and a 100 nF cap to ground for noise immunity; floating MCLR causes intermittent resets. When using the internal oscillator, configure OSCCON correctly or the device will not run at the expected frequency. The ADC requires a minimum acquisition time (Tacq) of approximately 4-8 us at 10-bit resolution; setting ADCON2 incorrectly yields noisy readings. Always disable unused peripherals via respective PCON registers to minimize quiescent current.
Keep analog inputs (AN0-AN13) routed away from switching nodes and high-current traces; maintain 0.5 mm clearance and surround with analog ground pour. The VREF+ pin (RA3) requires a low-impedance 100 nF + 10 uF bypass capacitor pair when used as ADC reference. PORTB pins RB4-RB7 have interrupt-on-change capability - if not using this feature, configure IOC interrupt flags cleared in firmware to prevent spurious interrupts after reset.
تعمیل کی معلومات
RoHS compliant per Microchip product page (Pb-free TQFP package). Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified - for automotive safety applications, choose PIC16F1527-I/PT or dsPIC33EP family. Halogen-free per Microchip environmental compliance documentation.