PIC16F648AT-E/SO - 8-Bit 20MHz MCU 7KB Flash 18-SOIC | Microchip
MPN: PIC16F648AT-E/SO ✓ فعالPIC16F648AT-E/SO جائزہ
A PIC16F-series microcontroller is a compact, low-power 8-bit CMOS RISC MCU built around a Harvard architecture and an instruction set of only 35 single-word instructions, enabling rapid development and easy code migration across the PIC10/12/14/16/18 families. PIC MCUs integrate Flash program memory, data EEPROM, and rich on-chip peripherals (timers, ADC, comparators, PWM, USART) onto a single die, reducing BOM cost and PCB area in cost-sensitive embedded designs. The PIC16F648A sits in the mid-range PIC16 tier, sharing the PIC16F628A's footprint and offering double the program memory.
Key features include 4 MHz internal RC oscillator with software-selectable frequencies, two comparators with programmable reference, 10-bit resolution PWM, brown-out detect (BOD), and nanoWatt power management for sleep currents in the microamp range. The wide 2.0 V to 5.5 V supply range supports both 3.3 V and 5 V designs, and 16 GPIO pins provide ample interface flexibility for sensors, pushbuttons, and small displays.
The PIC16F648A architecture combines a 14-bit wide instruction word with a separate 8-bit data path, allowing single-cycle ALU operations and direct bit-manipulation on any register. The Flash memory supports in-circuit serial programming (ICSP) via two pins (RB6/ICSPCLK and RB7/ICSPDAT), enabling firmware updates without removing the MCU from the board. The on-chip USART and CCP module together cover most asynchronous serial and PWM needs without external components.
Typical applications include white-goods and appliance controllers, HVAC remote panels, low-end sensor node transmitters, automotive body electronics (cluster indicators, mirror controllers), industrial timers and counters, and battery-powered instrument front-ends. The integrated comparators and PWM are particularly useful for closed-loop fan control, light dimmers, and simple motor drivers.
When designing with this device, mind the maximum 20 MHz clock at 4.5 V to 5.5 V (the part is specified to 4 MHz below 4.5 V) and provide a 100 nF decoupling capacitor directly between VDD and VSS, ideally placed within 3 mm of the package pins. The brown-out reset (BOR) threshold should be configured to match the minimum regulator output voltage to prevent Flash corruption during supply dips.
This page synthesizes real distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving procurement and firmware engineers a single decision-ready reference.
کے لیے ڈراپ اِن متبادل PIC16F648AT-E/SO — 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 PIC16F648AT-E/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Internal Oscillator, Package, Operating Temperature, Program Memory Size, RoHS Status.
PIC16F648A-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F648A-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F628AT-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F628A-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627AT-I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F648AT-E/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Series | PIC® 16F |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Maximum Clock Speed | 20 MHz |
| Program Memory Size | 7 KB (4K x 14) Flash |
| RAM Size | 256 bytes |
| EEPROM Size | 256 bytes |
| Number of I/O Pins | 16 |
| Supply Voltage Range | 2.0 V to 5.5 V |
| آپریٹنگ درجہ حرارت رینج | -40 C to +125 C (Extended, "E") |
| پیکیج | 18-SOIC (0.295 inch, 7.50 mm width) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Instruction Set | 35 single-word instructions |
| Instruction Cycle Time | 200 ns at 20 MHz |
| Data Converters | 2 Comparators with Programmable Voltage Reference |
| Communication Interfaces | USART |
| PWM Modules | 1 CCP (10-bit resolution) |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Internal Oscillator | 4 MHz with software-selectable frequencies |
| Brown-out Detect (BOD) | Yes |
| Programming Method | ICSP (In-Circuit Serial Programming) |
| MSL لیول | 1 (Unlimited) |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
PIC16F648AT-E/SO پن کنفیگریشن
| پن 1 | RA2/AN2 — PORTA bit 2, analog input 2 |
| پن 2 | RA3/AN3 — PORTA bit 3, analog input 3 |
| پن 3 | RA4/AN4 — PORTA bit 4, analog input 4 |
| پن 4 | RA5/MCLR/VPP — PORTA bit 5 / Master Clear (reset) input / ICSP programming voltage |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0/INT — PORTB bit 0, external interrupt source |
| پن 7 | RB1/RX/DT — PORTB bit 1, USART RX / synchronous data |
| پن 8 | RB2/TX/CK — PORTB bit 2, USART TX / synchronous clock |
| پن 9 | RB3/CCP1 — PORTB bit 3, Capture/Compare/PWM output |
| پن 10 | RB4/PGM — PORTB bit 4, low-voltage ICSP programming |
| پن 11 | RB5 — PORTB bit 5 |
| پن 12 | RB6/ICSPCLK — PORTB bit 6, ICSP serial clock |
| پن 13 | RB7/ICSPDAT — PORTB bit 7, ICSP serial data |
| پن 14 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| پن 15 | OSC2/CLKOUT — Oscillator output / clock out |
| پن 16 | OSC1/CLKIN — Oscillator input / external clock input |
| پن 17 | RC0 — PORTC bit 0 |
| پن 18 | RC1 — PORTC bit 1 |
عام استعمالات
PIC16F648AT-E/SO کے لیے موزوں ہے 6 ایپلیکیشنs: White Goods and Appliance Controllers, HVAC Remote Panels and Thermostats, Industrial Timers and Counters, Automotive Body Electronics, Battery-Powered Sensor Nodes, Educational and Hobbyist Development.
White Goods and Appliance Controllers
The PIC16F648AT-E/SO is well suited for cost-sensitive white-goods controllers such as washing machines, dishwashers, and microwave ovens. Its 7 KB of Flash comfortably holds state-machine firmware for sensor sampling, motor sequencing, and user-interface management, while the 2 on-chip comparators and programmable voltage reference enable direct interface with NTC temperature sensors, water-level probes, and zero-cross detectors without an external op-amp. The 20 MHz instruction rate (200 ns per instruction) executes PID-style control loops fast enough for thermal regulation and timer-driven pump control, and the 18-SOIC footprint simplifies single-sided PCB layouts.
تجویز کردہ
HVAC Remote Panels and Thermostats
In thermostat and HVAC remote-panel designs, the PIC16F648AT-E/SO delivers the right balance of compute, peripherals, and power efficiency. Its nanoWatt technology enables sleep currents well under 1 microampere, which is critical for battery-powered wireless thermostats that must run years on two AA cells. The integrated USART interfaces directly with sub-GHz RF transceivers or Wi-Fi co-processors, and the 10-bit PWM together with the analog comparators handles triac-fired blower/furnace control without dedicated motor-control silicon. The extended temperature grade (-40 C to +125 C) supports rooftop and outdoor installations where commercial-grade parts would fail.
تجویز کردہ
Industrial Timers and Counters
The PIC16F648AT-E/SO excels in industrial timer/counter modules where a deterministic 8-bit core and predictable 200 ns instruction cycle guarantee jitter-free event timing. The three on-chip timers (Timer0 with external clock option, Timer1 16-bit, Timer2 with period register) cover pulse counting, frequency measurement, and PWM generation without external components. Its 16 GPIO can scan up to a 4x4 matrix keypad and drive a 7-segment LED or small character LCD, and the 256-byte EEPROM offers non-volatile setpoint storage for unpowered retention. Brown-out detection prevents parameter corruption during supply brown-outs in noisy factory panels.
تجویز کردہ
Automotive Body Electronics
Inside cabin body controllers - mirror adjusters, seat-position memory, indicator blinkers, and ambient lighting drivers - the PIC16F648AT-E/SO is a strong fit. Its extended -40 C to +125 C temperature grade matches AEC-Q100 environments when used in non-safety-critical subsystems, and its 16 I/O can drive LED strings via MOSFETs while reading Hall sensors, pushbuttons, and rotary encoders directly. The built-in comparators enable lamp-fail detection by sensing current through a shunt, while the 7 KB Flash supports CAN-capable firmware layers via SPI to an external MCP2515. Tape-and-reel packaging suits high-volume SMT lines.
تجویز کردہ
Battery-Powered Sensor Nodes
The PIC16F648AT-E/SO is a sensible choice for low-duty-cycle wireless sensor nodes in IoT and industrial telemetry. Its nanoWatt sleep mode drops current draw below 1 microampere, allowing years of operation on a single coin cell when the MCU wakes only briefly to take a measurement and transmit. The 4 MHz internal oscillator eliminates an external crystal, saving BOM cost and reducing the startup energy penalty. With 256 bytes of RAM and 7 KB Flash, the device can run a lightweight protocol such as Modbus RTU over RS-485 or interface to an SPI-attached sensor front-end for periodic environmental logging.
تجویز کردہ
Educational and Hobbyist Development
The PIC16F648AT-E/SO remains a popular MCU in undergraduate embedded-systems courses and hobbyist projects due to its simple 35-instruction RISC architecture and broad toolchain support. MPLAB X IDE, XC8 compiler, and PICkit programmers (PICkit 3, PICkit 4, MPLAB SNAP) all support ICSP via the RB6/RB7 pins, enabling students to flash firmware in seconds. The 18-SOIC is hand-solderable with basic tools, and the PIC16F648A's compatibility with PIC16F628A code examples ensures a huge library of open-source reference projects, application notes, and tutorials from Microchip and the user community.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F648AT-E/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F648A-I/SO | PIC16F648A-E/SO | PIC16F628AT-E/SO | PIC16F628A-I/SO | PIC16F627AT-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC | 18-SOIC (same) | 18-SOIC (same) | 18-SOIC (same) | 18-SOIC (same) | 18-SOIC (same) |
| Program Memory (Flash) | 7 KB (4K x 14) | 7 KB (4K x 14) - same | 7 KB (4K x 14) - same | 3.5 KB (-50%) | 3.5 KB (-50%) | 1.75 KB (-75%) |
| RAM Size | 256 bytes | 256 bytes - same | 256 bytes - same | 224 bytes (-12%) | 224 bytes (-12%) | 128 bytes (-50%) |
| EEPROM Size | 256 bytes | 256 bytes - same | 256 bytes - same | 128 bytes (-50%) | 128 bytes (-50%) | 128 bytes (-50%) |
| Maximum Clock | 20 MHz | 20 MHz - same | 20 MHz - same | 20 MHz - same | 20 MHz - same | 20 MHz - same |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V - same | 2.0 V to 5.5 V - same | 2.0 V to 5.5 V - same | 2.0 V to 5.5 V - same | 2.0 V to 5.5 V - same |
| Temperature Grade | Extended -40C to +125C | Industrial -40C to +85C | Extended -40C to +125C - same | Extended -40C to +125C - same | Industrial -40C to +85C | Industrial -40C to +85C |
| Number of I/O | 16 | 16 - same | 16 - same | 16 - same | 16 - same | 16 - same |
| Comparators | 2 with Vref | 2 with Vref - same | 2 with Vref - same | 2 with Vref - same | 2 with Vref - same | 2 with Vref - same |
| CCP / PWM | 1 x CCP (10-bit PWM) | 1 x CCP (10-bit PWM) - same | 1 x CCP (10-bit PWM) - same | 1 x CCP (10-bit PWM) - same | 1 x CCP (10-bit PWM) - same | 1 x CCP (10-bit PWM) - same |
اہم امتیازی خصوصیات
- 7 KB Flash is the largest memory tier in the 18-pin PIC16F62X/64X family (بمقابلہPIC16F628AT-E/SO)
- Extended temperature grade (-40C to +125C) suitable for automotive and industrial (بمقابلہPIC16F648A-I/SO)
- Tape-and-reel packaging for high-volume SMT assembly (بمقابلہPIC16F648A-E/SO)
ڈیزائن نوٹس
Estimated: when operating at 20 MHz with VDD = 5.5 V, supply current is approximately 13 mA active and 1.8 mA sleep at 4 MHz. Place a 100 nF X7R decoupling capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor at the regulator output. For battery-powered designs, leverage the nanoWatt sleep modes (SLEEP instruction) and configure the internal 4 MHz oscillator to drop VDD to 2.0 V during sleep for sub-1 uA standby current.
Route ICSP signals (RB6/ICSPCLK, RB7/ICSPDAT, MCLR/VPP) with short traces and avoid crossing them with high-current or high-frequency signals (PWM outputs, oscillator traces). Place a 4.7 kohm pull-up on MCLR to VDD for reliable resets. Keep the analog traces (RA0-RA5) away from digital switching traces to minimize ADC/comparator noise injection; if both analog and digital signals share the connector, add a guard ground ring around analog pins.
Critical: do not exceed 5.5 V on VDD; even brief over-voltage events can damage Flash cells. Always configure the brown-out reset (BOR) threshold via configuration bits to a value just below the minimum regulator output (typically 4.0 V for 5 V systems or 2.7 V for 3.3 V systems) to prevent code corruption during supply dips. When using the internal RC oscillator, configure the CONFIG word for the correct frequency (4 MHz, 1 MHz, 125 kHz) - failing to do so leaves the device running at an undocumented default frequency.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Lead-free 18-SOIC package with NiPdAu lead finish. Not AEC-Q100 qualified - for AEC-Q100 automotive applications, choose PIC16F648A-E/SO or PIC16F648AT-I/SO with explicit automotive screening. REACH compliance status not explicitly stated by Microchip for this MPN, marked unknown.