PIC16LF73T-I/ML - 8-bit 20MHz 7KB Flash MCU 28-QFN | Microchip
MPN: PIC16LF73T-I/ML ✓ فعالPIC16LF73T-I/ML جائزہ
An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, an ALU, on-board program memory (FLASH/ROM), data memory (RAM), and a set of peripheral blocks (timers, ADC, communication ports). The PIC16 family uses a RISC instruction set with a fixed instruction width (14-bit opcode here), which simplifies decoding and enables deterministic interrupt latency. Within the broader hierarchy, a PIC MCU sits under: microcontroller -> embedded processor -> semiconductor IC. The 'LF' suffix indicates an extended low-voltage core, supporting operation from 2.5 V to 5.5 V, and the 'T' in the order code denotes the Tape & Reel shipping form.
Key features include a 5-channel 8-bit ADC with additional 8-bit timer resources, two capture/compare/PWM modules, a USART for asynchronous serial, an MSSP for SPI/I2C, and 22 I/O pins to interface with sensors, switches, displays, and actuators. The FLASH program memory is in-circuit programmable, supporting field firmware updates. The instruction cycle is 200 ns at 20 MHz (one instruction per four oscillator cycles), and the device includes standard power-saving and watchdog timer blocks.
The PIC16LF73T-I/ML is built on Microchip's mature PIC16 enhanced mid-range architecture, which adds interrupt context saving and a deeper hardware stack relative to the baseline PIC16C5X series. The 28-QFN package provides a compact footprint and a low thermal-resistance path through the exposed pad (EP), making it suitable for space-constrained designs that still need efficient heat dissipation when the ADC and I/O are heavily loaded.
Typical applications include low-power industrial sensor interfaces, battery-powered handheld instruments, automotive body and convenience modules (where the LF core's wide voltage range helps), appliance control boards, and consumer white-goods user-interface controllers. The integrated USART and MSSP make it a practical host for sensor, EEPROM, and display peripherals.
When designing with this part, place a 0.1 µF decoupling capacitor on VDD as close to the pin as possible, and use the exposed pad as the main thermal/ground return on a multi-layer board with adequate copper pours. In-circuit serial programming (ICSP) requires careful trace routing to keep MCLR/VPP and RB6/RB7 away from switching nodes to avoid programming glitches.
This page synthesizes distributor pricing (DigiKey, Mouser), verified drop-in same-package alternatives from the PIC16F73 family, and practical PCB/programming notes that complement the Microchip datasheet for engineers selecting an 8-bit MCU.
کے لیے ڈراپ اِن متبادل PIC16LF73T-I/ML — 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 PIC16LF73T-I/ML (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Timers, ADC, Operating Temperature, Core Architecture.
PIC16F73T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF73-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF737T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF72T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF723T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF723A-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1938T-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1902-I/ML
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF73T-I/ML زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC16 8-bit RISC |
| Instruction Set Width | 14-bit |
| زیادہ سے زیادہ کلاک فریکوئنسی | 20 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz |
| Program Memory (FLASH) | 7 KB (4K x 14) |
| Data RAM | 192 bytes |
| Digital I/O Pins | 22 |
| ADC | 5 channels, 8-bit |
| Timers | 3 (Timer0, Timer1, Timer2) |
| CCP Modules | 2 (Capture / Compare / PWM) |
| Serial Interfaces | USART + MSSP (SPI / I2C) |
| Supply Voltage (LF core) | 2.5 V to 5.5 V |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial 'I') |
| پیکیج | 28-pin QFN (6 x 6 mm) with Exposed Pad |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Shipping Form | Tape & Reel (T suffix) |
| RoHS اسٹیٹس | Compliant |
| Programming | ICSP (In-Circuit Serial Programming) |
PIC16LF73T-I/ML پن کنفیگریشن
| پن 1 | MCLR/VPP — Master Clear (reset, active low) / ICSP programming voltage input |
| 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 2 / ADC VREF- |
| پن 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| پن 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input (open-drain) |
| پن 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| پن 8 | VSS — Ground reference |
| پن 9 | OSC1/CLKI — Oscillator crystal input / external clock in |
| پن 10 | OSC2/CLKO — Oscillator crystal output / clock output |
| پن 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator out / Timer1 clock in |
| پن 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator in / CCP2 |
| پن 13 | RC2/CCP1 — PORTC bit 2 / CCP1 (PWM output) |
| پن 14 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 17 | RC6/TX/CK — PORTC bit 6 / USART TX / USART clock |
| پن 18 | RC7/RX/DT — PORTC bit 7 / USART RX / USART data |
| پن 19 | VSS — Ground reference |
| پن 20 | VDD — Positive supply (2.5 V to 5.5 V) |
| پن 21 | RB0/INT — PORTB bit 0 / external interrupt |
| پن 22 | RB1 — PORTB bit 1 |
| پن 23 | RB2 — PORTB bit 2 |
| پن 24 | RB3/PGM — PORTB bit 3 / LVP programming |
| پن 25 | RB4 — PORTB bit 4 |
| پن 26 | RB5 — PORTB bit 5 |
| پن 27 | RB6/PGC — PORTB bit 6 / ICSP clock |
| پن 28 | RB7/PGD — PORTB bit 7 / ICSP data |
عام استعمالات
PIC16LF73T-I/ML کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered Sensor Interface, Industrial Control and Appliance Board, Automotive Body and Convenience Module, Consumer User Interface Controller, Low-Cost Measurement Instrument, Educational and Hobby Electronics.
Battery-Powered Sensor Interface
The PIC16LF73T-I/ML fits battery-powered sensor-interface designs because its 'LF' core operates down to 2.5 V, allowing 2x AA cells to keep the MCU running until their ~2.7 V cutoff. Its 5-channel 8-bit ADC is sized for threshold detection on temperature, light, and contact sensors, while the 7 KB FLASH stores calibration tables and protocol stacks. The 192-byte SRAM is sufficient for small FIFO buffers over SPI or I2C. At 20 MHz and 3.3 V, the LF core typically draws single-digit mA, which is a strong fit for sleep-mode-dominated duty cycles. The QFN-28 package keeps the total PCB small enough for hand-held instruments.
تجویز کردہ
Industrial Control and Appliance Board
The PIC16LF73T-I/ML is widely used on industrial and appliance control boards where the LF voltage range tolerates noisy 24 V-to-5 V rails and brown-out events. Its 22 digital I/O drive keys, relays, LEDs, and 7-segment displays directly, and the 2 CCP modules produce PWM for motor and valve control. The PIC16 RISC core provides deterministic interrupt latency, which is essential for line-frequency zero-crossing detection in TRIAC-based appliance designs. The exposed pad on the 28-QFN gives a low thermal path, important when outputs are sourcing high current into solenoids.
تجویز کردہ
Automotive Body and Convenience Module
The PIC16LF73T-I/ML is a practical fit for automotive body and convenience modules (window lift, mirror control, interior lighting) that run off 12 V rails regulated to 5 V. The wide 2.5 V to 5.5 V supply range tolerates cranking transients and load-dump recovery. The PIC16 architecture's 35 single-word instructions simplify coding for fast event-driven loops over the CAN/LIN gateway. The 22 I/O are sufficient for switches, LEDs, and H-bridge enable signals. Note that AEC-Q100 grade is not explicitly claimed on the LF73 family page; for safety-critical modules, choose a Q-graded PIC16 variant.
تجویز کردہ
Consumer User Interface Controller
The PIC16LF73T-I/ML drives consumer user-interface controllers for white goods, audio panels, and small appliances because its 22 I/O can scan keypads and drive LED or LCD readouts simultaneously. The integrated MSSP block runs SPI/I2C slaves for LED drivers and EEPROM, and the USART connects to a host MCU or Bluetooth module. The 7 KB FLASH fits menu state machines and button-debounce logic with room to spare. The exposed-pad QFN-28 helps the part survive the warm interior of an appliance when driving LEDs and relay coils.
تجویز کردہ
Low-Cost Measurement Instrument
The PIC16LF73T-I/ML anchors low-cost bench and field measurement instruments (multimeters, light meters, simple data loggers) where its 5-channel 8-bit ADC, 22 I/O, and 7 KB FLASH are sufficient. The PIC16 architecture's deterministic timing supports 1-second sampling intervals using Timer1 with a 32.768 kHz crystal. The 192-byte RAM provides a small rolling buffer for the host to offload via USART. The exposed-pad QFN keeps the BOM footprint compact, and the LF voltage range lets the instrument run from 3 V button cells or USB-derived 5 V without re-design.
تجویز کردہ
Educational and Hobby Electronics
The PIC16LF73T-I/ML is well suited for educational and hobby projects where its 35-instruction PIC16 RISC architecture offers a gentle learning curve, and the 28-QFN is small but still hand-solderable with the exposed pad. The 7 KB FLASH and 192 B RAM cover typical class projects (LED chasers, PWM motor control, I2C peripherals). ICSP reveals that PICkit programmers connect through MCLR, RB6, and RB7, which are easy to bring out on a development board. The LF voltage range lets students run the same board from 2x AA cells or a 5 V USB supply.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF73T-I/ML — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F73T-I/ML | PIC16LF73-I/ML | PIC16LF737T-I/ML | PIC16LF72T-I/ML | PIC16LF723T-I/ML |
|---|---|---|---|---|---|---|
| Package | 28-QFN (6x6) with EP | 28-QFN (6x6) with EP - same | 28-QFN (6x6) with EP - same | 28-QFN (6x6) with EP - same | 28-QFN (6x6) with EP - same | 28-QFN (6x6) with EP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Supply Voltage | LF core, 2.5-5.5 V | F core, 4.0-5.5 V | LF core, 2.5-5.5 V | LF core, 2.5-5.5 V | LF core, 2.5-5.5 V | LF core, 2.5-5.5 V |
| FLASH Program Memory | 7 KB (4K x 14) | 7 KB | 7 KB | 7 KB | 3.5 KB (-50%) | 7 KB |
| Data RAM | 192 bytes | 192 bytes | 192 bytes | 256 bytes (+33%) | 128 bytes (-33%) | 192 bytes |
| Digital I/O | 22 | 22 | 22 | 25 | 22 | 11 (-50%) |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 C to +85 C (I) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
اہم امتیازی خصوصیات
- Wide 2.5 V to 5.5 V supply range (LF core) (بمقابلہPIC16F73T-I/ML)
- Higher ADC resolution available in same footprint (بمقابلہPIC16LF737T-I/ML)
- Industrial -40 C to +85 C temperature grade (بمقابلہPIC16LF723T-I/ML)
ڈیزائن نوٹس
Place a 0.1 µF ceramic decoupling capacitor on VDD (pin 20) as close to the package as possible, and bond the exposed pad (EP) directly to the ground plane with multiple thermal vias for a low-impedance return. The LF core operates from 2.5 V to 5.5 V; ensure the bulk supply (LDO or DC-DC post-filter) stays above 2.5 V under full load, including the brown-out threshold for the PIC16 BOR module.
Route ICSP signals (MCLR/VPP, PGC/RB6, PGD/RB7) away from switching nodes and high-current traces. Add a 10 kΩ pull-up on MCLR to VDD to keep the device out of reset during noisy power-up, and place a small signal diode or TVS on MCLR if the board is exposed to ESD during in-field firmware updates. The 28-QFN has a center EP that must be soldered; missing solder joints here cause thermal and electrical issues.
Do not exceed the absolute maximum VDD of 7.0 V; the LF core is robust only within 2.5 V to 5.5 V. Configure unused I/O as outputs and drive them low (not high-impedance inputs) to minimize supply current. The ADC's VREF+ and VREF- pins must be tied or left grounded per the datasheet to avoid floating-reference noise. When migrating from PIC16F73 to PIC16LF73, verify that any 4.0-5.5 V-only peripherals on your board still operate at 2.5 V.
The PIC16LF73T-I/ML's 20 MHz oscillator and 5-channel ADC are sensitive to noisy digital traces routed adjacent to VREF+ or analog inputs. Keep analog traces short, surround them with a ground pour, and add an RC filter on each analog input if the source is high-impedance. The MSSP's I2C lines need 4.7 kΩ to 10 kΩ pull-ups to VDD (4.7 kΩ for 400 kHz Fast Mode). Use Timer1 with a 32.768 kHz crystal for RTC and low-power sleep cycles.
تعمیل کی معلومات
RoHS compliance is consistent with distributor listings for /ML QFN packages. AEC-Q100 grade is not explicitly claimed on the standard PIC16LF73 family; select a Q-graded variant for automotive safety-critical applications.
