PIC16LF727-E/MV - 14KB Flash 8-bit MCU | Microchip | UFQFN-40
MPN: PIC16LF727-E/MV ✓ Hoạt độngPIC16LF727-E/MV Tóm tắt
An 8-bit microcontroller (MCU) is a programmable integrated circuit that executes instructions fetched from embedded non-volatile program memory and operates on data stored in working RAM. PIC microcontrollers use a RISC-style Harvard architecture with separate program and data buses, enabling single-cycle instruction execution. Microcontrollers (MCUs) sit hierarchically below microprocessors in the embedded system tree because they integrate CPU, memory, peripherals, and sometimes analog blocks on a single die, allowing complete subsystem control without external companion chips.
Key features of the PIC16LF727 include the nanoWatt XLP technology for ultra-low-power sleep currents (down to the tens of nA range), integrated ADC, PWM, comparators, USART/MSSP (I2C/SPI) communication peripherals, and wide operating voltage range suited to battery-powered applications. The exposed-pad UFQFN-40 package provides low thermal resistance and a compact 5x5 mm-class footprint for portable designs.
The architecture is based on Microchip's enhanced mid-range 14-bit instruction core with self-programmable Flash, providing flexible in-field firmware updates. The internal 16 MHz-31 kHz oscillator block eliminates external crystals for timing-insensitive applications, while an external oscillator interface remains available for precision timing.
Typical applications include industrial control nodes, IoT sensor endpoints, battery-powered remote controls, low-cost consumer appliances, and motor-control interface boards. The wide operating temperature range (industrial -40C to +125C) and nanoWatt power profile make it suitable for energy-harvesting designs and remote monitoring.
Design consideration: the UFQFN exposed pad must be soldered to a sufficient copper pour (preferably with thermal vias) for both electrical ground reference and heat dissipation; an unconnected EP will compromise power dissipation and may trigger thermal shutdown under higher CPU loads.
This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes beyond the manufacturer datasheet summary, helping engineers select, source, and integrate the PIC16LF727-E/MV efficiently.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF727-E/MV — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF727-E/MV (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature Range, Package, Low-Power Technology, Program Memory (Flash).
PIC16F727-E/MV
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| Program Memory Size | 14 KB (8K x 14) |
| RAM Size | 368 x 8 bytes |
| Number of I/O | 36 |
| CPU Speed | 20 MHz |
| Oscillator Type | Internal |
| Hộp / Vỏ | 40-UFQFN Exposed Pad |
| Core | PIC 8-bit (enhanced mid-range) |
| Khoảng nhiệt độ hoạt động | -40C to +125C (industrial) |
| Low-Power Technology | nanoWatt XLP |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tube |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF727-E/MV
| Chân 1 | RE3/MCLR — Input/output/Master Clear (reset) |
| Chân 2 | RA0 — PORTA bit 0 (I/O) |
| Chân 3 | RA1 — PORTA bit 1 (I/O) |
| Chân 4 | RA2 — PORTA bit 2 (I/O) |
| Chân 5 | RA3 — PORTA bit 3 (I/O) |
| Chân 6 | RA4 — PORTA bit 4 (I/O) |
| Chân 7 | RA5 — PORTA bit 5 (I/O) |
| Chân 8 | RA6 — PORTA bit 6 (I/O/OSC2) |
| Chân 9 | RA7 — PORTA bit 7 (I/O/OSC1) |
| Chân 10 | VDD — Positive supply voltage |
| Chân 11 | VSS — Ground reference |
| Chân 12 | RB0 — PORTB bit 0 (I/O) |
| Chân 13 | RB1 — PORTB bit 1 (I/O) |
| Chân 14 | RB2 — PORTB bit 2 (I/O) |
| Chân 15 | RB3 — PORTB bit 3 (I/O) |
| Chân 16 | RB4 — PORTB bit 4 (I/O) |
| Chân 17 | RB5 — PORTB bit 5 (I/O) |
| Chân 18 | RB6 — PORTB bit 6 (I/O/ICSPCLK) |
| Chân 19 | RB7 — PORTB bit 7 (I/O/ICSPDAT) |
| Chân 20 | VSS — Ground reference |
| Chân 21 | RC0 — PORTC bit 0 (I/O) |
| Chân 22 | RC1 — PORTC bit 1 (I/O) |
| Chân 23 | RC2 — PORTC bit 2 (I/O) |
| Chân 24 | RC3 — PORTC bit 3 (I/O) |
| Chân 25 | RC4 — PORTC bit 4 (I/O) |
| Chân 26 | RC5 — PORTC bit 5 (I/O) |
| Chân 27 | RC6 — PORTC bit 6 (I/O/TX/CK) |
| Chân 28 | RC7 — PORTC bit 7 (I/O/RX/DT) |
| Chân 29 | RD0 — PORTD bit 0 (I/O) |
| Chân 30 | RD1 — PORTD bit 1 (I/O) |
| Chân 31 | RD2 — PORTD bit 2 (I/O) |
| Chân 32 | RD3 — PORTD bit 3 (I/O) |
| Chân 33 | RD4 — PORTD bit 4 (I/O) |
| Chân 34 | RD5 — PORTD bit 5 (I/O) |
| Chân 35 | RD6 — PORTD bit 6 (I/O) |
| Chân 36 | RD7 — PORTD bit 7 (I/O) |
| Chân 37 | RE0 — PORTE bit 0 (I/O) |
| Chân 38 | RE1 — PORTE bit 1 (I/O) |
| Chân 39 | RE2 — PORTE bit 2 (I/O) |
| Chân 40 | VSS — Ground reference |
Ứng dụng tiêu biểu
PIC16LF727-E/MV phù hợp cho 7 Áp dụngs: Battery-Powered IoT Sensor Nodes, Industrial Control Interface Boards, Low-Cost Consumer Appliance Controllers, Remote Control Transmitters, Motor Control Interface Boards, Energy-Harvesting Wireless Switches, Automotive Interior Accessories.
Battery-Powered IoT Sensor Nodes
The PIC16LF727-E/MV suits battery-powered IoT sensor nodes where its nanoWatt XLP sleep currents in the tens of nanoampere range extend coin-cell battery life from months to years. The 14 KB Flash holds typical sensor-fusion firmware while 368 bytes RAM is sufficient for buffering sensor reads. The 36 I/O pins multiplex ADC channels for temperature, humidity, and motion sensors, plus PWM for actuator control. The internal 16 MHz-31 kHz oscillator eliminates external crystals, reducing BOM cost and PCB area for space-constrained wireless sensor designs.
Được đề xuất
Industrial Control Interface Boards
In industrial control interfaces, the PIC16LF727-E/MV's 36 I/O pins drive LEDs, keypads, relay coils, and opto-isolated communication lines for PLCs and HMI panels. The 20 MHz CPU executes protocol parsing and debouncing logic in real time, while the extended -40C to +125C temperature range tolerates factory-floor thermal stress. PWM outputs control motor speeds or solenoid valves, and the MSSP peripheral implements I2C/SPI buses to communicate with industrial sensor front-ends.
Được đề xuất
Low-Cost Consumer Appliance Controllers
Small kitchen and personal-care appliances use the PIC16LF727-E/MV as the main controller for user-interface buttons, display segments, and load switching. The 14 KB Flash accommodates user-menu logic, while the nanoWatt XLP idle mode reduces standby power below regulatory limits for energy-star appliances. Internal oscillator saves the cost of an external resonator, and 36 I/O pins drive seven-segment displays, triac interfaces, and buzzer outputs directly.
Được đề xuất
Remote Control Transmitters
Handheld remote controls benefit from the PIC16LF727-E/MV's nanoWatt XLP sleep modes that extend battery life across years of standby. The 14 KB Flash holds multiple device protocols, button de-bounce state machines, and IR or RF transmission routines. The 36 I/O pins interface to key matrices and status LEDs, while the 20 MHz CPU generates accurate carrier frequencies for IR transmissions. Surface-mount UFQFN packaging suits slim, ergonomic enclosures.
Được đề xuất
Motor Control Interface Boards
Stepper and brushed-DC motor control interface boards leverage the PIC16LF727-E/MV's PWM channels for variable-speed drives and its ADC inputs for current sensing and back-EMF monitoring. The 20 MHz CPU executes PID control loops at sufficient sample rates for low-RPM positioning systems. The extended temperature range supports under-hood automotive and industrial cabinet installations where thermal stress is significant.
Được đề xuất
Energy-Harvesting Wireless Switches
Wireless light switches and kinetic-energy-harvesting devices operate from the PIC16LF727-E/MV's nanoWatt XLP sleep mode which draws only tens of nanoamperes, allowing operation from harvested pulse energy. The 36 I/O pins interface to energy-harvesting transducers and wireless transmitter enable lines. Self-programmable Flash supports over-the-air firmware updates during manufacturing line configuration. Industrial temperature range suits outdoor installations.
Được đề xuất
Automotive Interior Accessories
In non-safety automotive interior modules such as ambient lighting controllers, mirror adjusters, and seat-position memory modules, the PIC16LF727-E/MV provides sufficient Flash, RAM, and PWM outputs. Its -40C to +125C operating range meets automotive cabin thermal specifications. While not AEC-Q100 qualified for safety-critical applications, it is widely used in comfort and convenience subsystems where cost optimization is the priority.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF727-E/MV — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F727-E/MV | PIC16LF727-I/MV | PIC16LF727T-I/MV |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UFQFN (MV) | 40-UFQFN (MV) - same | 40-UFQFN (MV) - same | 40-UFQFN (MV) - same |
| Program Memory | 14 KB Flash | 14 KB Flash | 14 KB Flash | 14 KB Flash |
| RAM Size | 368 bytes | 368 bytes | 368 bytes | 368 bytes |
| Number of I/O | 36 | 36 | 36 | 36 |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Voltage Range | LF (low-voltage wide VDD) | F (standard VDD, narrower range) | LF (same as this part) | LF (same as this part) |
| Temperature Grade | E (-40C to +125C extended) | E (-40C to +125C extended) | I (-40C to +85C industrial) | I (-40C to +85C industrial) |
| Packaging | Tube | Tube / Tray | Tube / Tray | Tape & Reel |
Bảo phân biệt quan trọng
- True same-package LF family member for industrial designs (vsPIC16F727-E/MV)
- Extended -40C to +125C temperature range (vsPIC16LF727-I/MV)
- Tube packaging for low-volume prototyping (vsPIC16LF727T-I/MV)
Ghi chú thiết kế
The 40-pin UFQFN package exposes a thermal pad on the underside that must be soldered to a PCB copper pour of at least the package's pad footprint, preferably with multiple thermal vias to inner ground planes. Estimated thermal resistance theta_JA for a properly soldered UFQFN-40 is approximately 30-40 C/W depending on PCB copper area. An unconnected exposed pad will compromise both electrical ground reference and thermal dissipation.
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of each VDD pin, plus a bulk 10 uF tantalum or ceramic capacitor near the supply entry. The PIC16LF727-E/MV's nanoWatt XLP sleep mode requires clean VDD ramps; an RC delay on MCLR may be needed if power rise time exceeds datasheet limits. Estimated total decoupling budget: 4 x 100 nF + 1 x 10 uF for a 40-pin UFQFN design.
Route the ICSPDAT and ICSPCLK pins (RB7/RB6) away from high-current switching traces to prevent programming glitches during in-circuit serial programming. Place the external crystal or resonator within 5 mm of OSC1/OSC2 if used. Keep ADC analog traces short and guarded with digital ground to minimize digital switching noise coupling into analog measurements.
Common pitfalls when designing with the PIC16LF727-E/MV include: forgetting to configure unused I/O pins as outputs (floating inputs draw current and may trigger spurious interrupts); exceeding VDD maximum during in-circuit programming; neglecting to set the configuration bits for the internal oscillator before first power-up (the device will appear dead without proper CONFIG settings); and not enabling the watchdog timer for unattended industrial applications.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this part targets industrial and consumer applications, not automotive safety-critical systems. Lead-free packaging confirmed.
