PIC16LF707T-I/ML - 14KB Flash 8-bit MCU w/ LCD Driver | Microchip
MPN: PIC16LF707T-I/ML ✓ فعالPIC16LF707T-I/ML نمای کلی
An 8-bit PIC microcontroller (MCU) is a compact, deterministic, RISC-based single-chip computer that integrates CPU, Flash program memory, SRAM data memory, EEPROM, and a rich set of peripherals (timers, ADC, communication ports, I/O). It sits within the broader hierarchy: MCU -> microcontroller -> embedded processor -> semiconductor. The PIC16F family is the workhorse mid-range 8-bit line from Microchip, optimised for ultra-low-power and mixed-signal applications such as consumer appliances, metering, and human-machine interfaces with LCD displays.
Key features of the PIC16LF707T-I/ML include 14KB Flash program memory, 363 bytes SRAM, 256 bytes EEPROM, an integrated LCD driver with up to 192 segments, a 12-channel 8-bit ADC, multiple capture/compare/PWM modules, and nanoWatt XLP technology with sleep currents as low as a few nanoamps. The device provides 36 I/O pins across a 44-pin QFN package with an exposed thermal pad for improved heat dissipation, and operates across the industrial temperature range of -40C to +85C.
Architecturally, the PIC16LF707 uses a Harvard RISC core with only 35 single-word instructions (excluding branches), a deep 14-bit instruction word, and a flexible peripheral set mapped through Peripheral Pin Select (PPS) where supported. The on-chip LCD driver with variable bias and contrast control is hardwired to specific port pins, eliminating the need for an external LCD controller in many cost-sensitive designs.
Typical applications include battery-powered metering (electricity, gas, water) with LCD readouts, white goods and small appliance front panels, e-paper / segment LCD instrumentation, capacitive touch (mTouch) keypads for IoT and consumer products, and any low-power embedded system that needs on-board display capability without an external LCD controller.
When designing with this part, ensure the exposed thermal pad of the QFN is soldered to a sufficient ground copper pour (typically at least 25 mm^2) for mechanical reliability and thermal performance. For LCD applications, follow the bias and contrast network recommendation in the datasheet to avoid ghost segments, and provide adequate bulk capacitance on Vdd because the LCD charge pump can create brief load transients.
This page synthesises distributor pricing, verified drop-in alternatives in the same 44-pin QFN package, design notes not found in the manufacturer datasheet, and practical comparator context not available on single-distributor product pages.
جایگزین‌های drop-in برای PIC16LF707T-I/ML — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC16LF707T-I/ML (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, ADC, Core Architecture, Timers, I/O Pins.
PIC16LF707-I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16F707T-I/ML
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC16F707-I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1902-I/ML
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF1938-I/ML
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC16LF707T-I/ML حداکثر مقادیر مجاز و مشخصات الکتریکی
| Product Family | PIC16F707 / PIC16LF707 |
| Core Architecture | 8-bit PIC RISC (Harvard) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 363 bytes |
| Data EEPROM | 256 bytes |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| Maximum CPU Clock | 20 MHz internal oscillator instruction rate |
| Instruction Set | 35 single-word instructions |
| I/O Pins | 36 |
| بسته‌بندی | 44-pin QFN (ML) 8x8 mm with exposed thermal pad |
| نوع نصب | Surface Mount (Tape & Reel) |
| دمای کاری | -40C to +85C (Industrial) |
| LCD Driver | Integrated, up to 192 segments |
| ADC | 8-bit, 12 channels |
| Timers | Timer0, Timer1, Timer2 with CCP |
| mTouch Capacitive Sensing | Yes |
| Low-Power Technology | nanoWatt XLP (eXtreme Low Power) |
| وضعیت RoHS | Lead-free, RoHS compliant |
پیکربندی پین PIC16LF707T-I/ML
| پین 1 | SEG33/COM7/IO — LCD segment 33 / common 7 / general I/O |
| پین 2 | SEG34/COM6/IO — LCD segment 34 / common 6 / general I/O |
| پین 3 | SEG35/COM5/IO — LCD segment 35 / common 5 / general I/O |
| پین 4 | SEG36/COM4/IO — LCD segment 36 / common 4 / general I/O |
| پین 5 | SEG37/COM3/IO — LCD segment 37 / common 3 / general I/O |
| پین 6 | SEG38/COM2/IO — LCD segment 38 / common 2 / general I/O |
| پین 7 | SEG39/COM1/IO — LCD segment 39 / common 1 / general I/O |
| پین 8 | SEG40/IO — LCD segment 40 / general I/O |
| پین 9 | SEG41/IO — LCD segment 41 / general I/O |
| پین 10 | SEG42/IO — LCD segment 42 / general I/O |
| پین 11 | SEG43/IO — LCD segment 43 / general I/O |
| پین 12 | Vdd — Positive supply voltage (1.8V to 3.6V) |
| پین 13 | VLCD — LCD charge pump / analog supply for LCD driver |
| پین 14 | Vss — Ground reference |
| پین 15 | OSC1/CLKIN/IO — External oscillator input / general I/O |
| پین 16 | OSC2/CLKOUT/IO — External oscillator output / general I/O |
| پین 17 | IO/CCP2 — General I/O / Capture-Compare-PWM channel 2 |
| پین 18 | IO — General I/O |
| پین 19 | IO — General I/O |
| پین 20 | IO/SDO — General I/O / SPI data out |
| پین 21 | IO/SDI — General I/O / SPI data in |
| پین 22 | IO/SCK — General I/O / SPI clock |
| پین 23 | IO/TX/CK — EUSART TX / general I/O |
| پین 24 | IO/RX/DT — EUSART RX / general I/O |
| پین 25 | MCLR/Vpp/IO — Master clear / programming voltage / general I/O |
| پین 26 | SEG1/IO — LCD segment 1 / general I/O |
| پین 27 | SEG2/IO — LCD segment 2 / general I/O |
| پین 28 | SEG3/IO — LCD segment 3 / general I/O |
| پین 29 | SEG4/IO — LCD segment 4 / general I/O |
| پین 30 | SEG5/IO — LCD segment 5 / general I/O |
| پین 31 | SEG6/IO — LCD segment 6 / general I/O |
| پین 32 | SEG7/IO — LCD segment 7 / general I/O |
| پین 33 | SEG8/IO — LCD segment 8 / general I/O |
| پین 34 | SEG9/IO — LCD segment 9 / general I/O |
| پین 35 | SEG10/IO — LCD segment 10 / general I/O |
| پین 36 | SEG11/IO — LCD segment 11 / general I/O |
| پین 37 | SEG12/IO — LCD segment 12 / general I/O |
| پین 38 | SEG13/IO — LCD segment 13 / general I/O |
| پین 39 | SEG14/IO — LCD segment 14 / general I/O |
| پین 40 | SEG15/IO — LCD segment 15 / general I/O |
| پین 41 | SEG16/IO — LCD segment 16 / general I/O |
| پین 42 | SEG17/IO — LCD segment 17 / general I/O |
| پین 43 | SEG18/IO — LCD segment 18 / general I/O |
| پین 44 | SEG19/IO — LCD segment 19 / general I/O |
کاربردهای معمول
PIC16LF707T-I/ML مناسب است برای 6 کاربردs: Battery-Powered Electricity/Gas/Water Meter, White Goods and Small Appliance Front Panels, mTouch Capacitive Touch Keypad Controller, Consumer Electronics Segment LCD Display, Industrial Sensor Node with LCD Readout, HMI Front Panel with Buttons and Indicators.
Battery-Powered Electricity/Gas/Water Meter
The PIC16LF707T-I/ML fits battery-powered metering because of its 1.8V-3.6V wide Vdd range that supports 2x AA alkaline or 1x CR2032 cells, nanoWatt XLP sleep currents in the nanoamp range for multi-year battery life, and the integrated LCD driver that can directly drive up to 192 segment-style LCD digits without an external controller. With 14KB Flash and 363 bytes SRAM, it can store calibration tables, accumulate consumption counts, run mTouch keypad handling, and drive the segmented readout, all while running the MCU core from an internal oscillator without an external resonator, reducing BOM cost further.
پیشنهادی
White Goods and Small Appliance Front Panels
Washing machines, dishwashers, microwave ovens, and induction cookers need a low-cost MCU that drives an LCD or segment display, scans a capacitive touch keypad, and controls relays. The PIC16LF707T-I/ML's integrated LCD driver eliminates the external display controller, mTouch handles touch keys, and the 12-channel 8-bit ADC reads temperature sensors, motor current, and user potentiometers. The 44-pin QFN package fits behind the display panel with minimal footprint. The 1.8V-3.6V Vdd range simplifies 3.3V-only designs powered from a small SMPS, reducing BOM cost and board area.
پیشنهادی
mTouch Capacitive Touch Keypad Controller
The PIC16LF707T-I/ML integrates Microchip's mTouch capacitive touch peripheral, allowing direct connection of capacitive touch pads, sliders, or wheels to selected I/O pins with no external components. Combined with 14KB Flash for gesture and debounce algorithms, and nanoWatt XLP low-power technology, it can run a low-power always-on touch keypad for years on a coin cell. Designers can pair this MCU with an LED driver or the integrated LCD driver to add visual feedback to each touch event, making it ideal for IoT control panels, smart locks, and kitchen appliance controls.
پیشنهادی
Consumer Electronics Segment LCD Display
Devices such as blood pressure monitors, digital thermometers, audio mixers, and instrument clusters use multi-digit segment LCDs. The PIC16LF707T-I/ML's hardware LCD driver with variable bias (static, 1/2, 1/3, 1/4) and software-controllable drive waveform directly drives up to 192 segments, eliminating an external LCD controller that would otherwise cost $0.30-$0.60 and require extra PCB area. The mTouch peripheral and ADC add user-interface options, and the 1.8V-3.6V supply range lets the design run from 2x AA batteries, which is common for portable healthcare and consumer products.
پیشنهادی
Industrial Sensor Node with LCD Readout
Factory automation sensor nodes that report pressure, flow, or temperature need an MCU with ADC, segment display for local readout, and low sleep current to survive off-grid or battery-backed operation. The PIC16LF707T-I/ML's 12-channel 8-bit ADC reads multiple analog sensors, the LCD driver displays the value locally, and nanoWatt XLP technology enables years of operation from a small lithium primary cell. The 44-pin QFN package is mechanically robust for industrial environments when the exposed thermal pad is properly soldered to a grounded copper pour for heat dissipation and mechanical reliability.
پیشنهادی
HMI Front Panel with Buttons and Indicators
Human-machine interface panels for printers, kiosks, and security systems combine LCD readouts with status LEDs and button inputs. The PIC16LF707T-I/ML supplies 36 I/O pins, an integrated LCD driver, timers for LED PWM dimming, and ADC for analog inputs like rotary encoders. The 8-bit PIC RISC core executes 35 single-word instructions in one cycle, so a state machine for menu navigation runs in under 1 MIPS, leaving most of the 16 MHz instruction bandwidth free for serial communication. The wide 1.8V-3.6V range supports both 3.3V and battery-backed designs.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC16LF707T-I/ML — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC16LF707-I/ML | PIC16F707T-I/ML | PIC16F707-I/ML | PIC16LF707T-I/PT | PIC16LF1902-I/ML | PIC16LF1938-I/ML |
|---|---|---|---|---|---|---|---|
| Package | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) - same | 44-pin QFN (ML) - same | 44-pin QFN (ML) - same | 44-pin TQFP (PT) - different footprint | 44-pin QFN (ML) - same | 44-pin QFN (ML) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 4 KB (-71%) | 28 KB (+100%) |
| Data SRAM | 363 bytes | 363 bytes | 363 bytes | 363 bytes | 363 bytes | 256 bytes | 1024 bytes |
| Internal Oscillator | Up to 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| Integrated LCD Driver | Yes, up to 192 segments | Yes, 192 segments | Yes, 192 segments | Yes, 192 segments | Yes, 192 segments | No LCD driver | No LCD driver |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
تفاوت‌های کلیدی
- Integrated hardware LCD driver eliminates external LCD controller (در مقابلPIC16LF1902-I/ML)
- Low-voltage LF variant supports battery-powered designs (در مقابلPIC16F707T-I/ML)
- More Flash memory than PIC16LF1902 alternative (در مقابلPIC16LF1902-I/ML)
یادداشت‌های طراحی
The 44-pin QFN (ML) package relies on the exposed thermal pad for heat dissipation and mechanical reliability. Solder the exposed pad to a ground copper pour of at least 25 mm^2 connected by at least 9 thermal vias (0.3 mm diameter) to the internal ground plane. The ML package thermal resistance (theta_JC) is typically around 5 C/W with a properly soldered pad, so the device rarely overheats at the low clock speeds and currents used in metering and LCD applications.
Use a 100 nF ceramic decoupling capacitor as close as possible to the Vdd pin, plus a 1 uF to 10 uF bulk capacitor at the IC supply rail. For battery designs below 2.0V, use the LF (low-voltage) variant since the standard F variant requires 2.3V minimum. For nanoWatt XLP sleep currents in the nA range, ensure no floating inputs leak current - either tie unused I/O pins to Vdd/Vss with the internal weak pull-ups or configure them as outputs.
For mTouch capacitive sensing, route the touch electrodes as short, narrow traces on a top layer away from switching signals, with a ground plane pour at least 5 mm away from the touch pads to minimise parasitic capacitance. Place the touch traces so the sensor pads are on the opposite side of the PCB from any LCD charge-pump noise to prevent false touches from LCD waveform interference.
Do not confuse the LF variant (1.8V-3.6V, this part) with the F variant (2.3V-5.5V). The two share the same die in the same package and pinout but require different Vdd ranges. For LCD applications, follow the bias network and charge-pump capacitor values in the datasheet exactly - undersized VLCD capacitors cause ghost segments and dim display. For mTouch, do not place a solder mask over the touch pads; a clear solder mask window is required for correct capacitive sensing.
اطلاعات انطباق
RoHS compliant per Microchip product page. Not AEC-Q100 qualified (this is a general-purpose industrial MCU, not automotive grade). Lead-free finish.
