PIC16F627-04I/SS - 8-bit MCU, 4MHz, 1.75KB Flash, SSOP-20 | Microchip
MPN: PIC16F627-04I/SS ✓ فعالPIC16F627-04I/SS جائزہ
An 8-bit microcontroller (MCU) is a small computer on a single integrated circuit containing a processor, program memory (Flash/ROM), data memory (RAM), and peripherals such as timers, ADC, communication ports, and I/O pins. Within the broader semiconductor hierarchy, an MCU belongs to the microcontrollers category, which sits under Integrated Circuits, then Logic/Memory ICs. The PIC16F62X family uses a Harvard architecture separating program and data buses, allowing simultaneous instruction fetch and data access for higher throughput versus von Neumann designs.
Key features of the PIC16F627-04I/SS include 224 bytes of RAM, 128 bytes of EEPROM, 16 digital I/O pins, a USART module for serial communication, two analog comparators, a capture/compare/PWM module, and a 10-bit ADC core shared with external inputs. Brown-out reset, power-on reset, watchdog timer with on-chip RC oscillator, and code protection enhance field reliability. The 20-pin SSOP package reduces board footprint versus PDIP while retaining breadboard-friendly 0.65 mm pitch.
Typical applications include industrial control, sensor interfaces, low-cost motor control, LED lighting controllers, remote transmitters/receivers, smart sensors, security systems, and consumer appliances. The PIC16F627-04I/SS is a frequent choice for legacy designs transitioning from PIC16C/16F84 to modern Flash-based PICs. A development cycle using MPLAB X IDE, XC8 compiler, and PICkit programmers accelerates prototyping.
When designing with this MCU, ensure the supply voltage stays within 2.0V-5.5V and that decoupling capacitors (100 nF + 10 uF bulk) are placed close to VDD/VSS. Note that the PIC16F627 is a Flash-based predecessor to the PIC16F627A (later silicon revision); firmware code is generally portable but verify peripheral registers. This page synthesizes distributor stock, pricing tiers, drop-in same-package alternatives, and practical design notes not aggregated on a single manufacturer page.
کے لیے ڈراپ اِن متبادل PIC16F627-04I/SS — 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 PIC16F627-04I/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, Analog Comparators, Timers, Core Architecture.
PIC16F627-04/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627-04I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627-04E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627-04I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627A-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F628-04I/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F627-04I/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Processor | PIC |
| Core Size | 8-Bit |
| Core Architecture | Harvard / RISC |
| Instruction Set | 35 single-word instructions |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| Data RAM | 224 bytes |
| Data EEPROM | 128 bytes |
| زیادہ سے زیادہ کلاک فریکوئنسی | 4 MHz (04 speed grade) |
| Instruction Execution Time | 200 ns @ 4 MHz |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 16 |
| Communication Modules | USART (SCI) |
| Analog Peripherals | 2 comparators, 10-bit ADC core |
| PWM / CCP | 1 Capture/Compare/PWM module |
| Timers | Timer0, Timer1, Timer2 (8/16-bit) |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (Industrial) |
| پیکیج | 20-pin SSOP (5.30 mm body) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 1 |
| RoHS اسٹیٹس | Compliant (lead-free SSOP) |
| Lead-Free / Halogen-Free | Lead-free; halogen status not explicitly stated in snippet |
PIC16F627-04I/SS پن کنفیگریشن
| پن 1 | RA7/OSC1 — General I/O / crystal oscillator input |
| پن 2 | RA6/OSC2 — General I/O / crystal oscillator output |
| پن 3 | RA0/AN0 — GPIO / analog input channel 0 |
| پن 4 | RA1/AN1 — GPIO / analog input channel 1 |
| پن 5 | RA2/AN2/CVREF — GPIO / analog input / comparator Vref |
| پن 6 | RA3/AN3/CMP1 — GPIO / analog / comparator 1 output |
| پن 7 | RA4/T0CKI/CMP2 — GPIO / Timer0 clock / comparator 2 output |
| پن 8 | RA5/MCLR/VPP — GPIO / Master Clear (reset) / programming voltage |
| پن 9 | VSS — Ground reference |
| پن 10 | RB0/INT — GPIO / external interrupt |
| پن 11 | RB1/RX/DT — GPIO / USART RX / data |
| پن 12 | RB2/TX/CK — GPIO / USART TX / clock |
| پن 13 | RB3/CCP1 — GPIO / Capture-Compare-PWM |
| پن 14 | RB4/PGM — GPIO / low-voltage programming |
| پن 15 | RB5 — GPIO |
| پن 16 | RB6/PGC — GPIO / ICSP clock |
| پن 17 | RB7/PGD — GPIO / ICSP data |
| پن 18 | VDD — Positive supply 2.0-5.5 V |
| پن 19 | VSS — Ground reference |
| پن 20 | RA6 — GPIO (port A pin 6 alternate) |
عام استعمالات
PIC16F627-04I/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Sensor Interface Module, Low-Cost Remote Control / RF Transmitter, LED Lighting Controller (DMX/DALI Slave), Automotive Interior Auxiliary Module, Smart Sensor / IoT Edge Node, Consumer Appliance Control Board.
Industrial Sensor Interface Module
The PIC16F627-04I/SS is well suited for industrial sensor-interface boards that need a small, deterministic 8-bit core with industrial -40C to +85C tolerance. Its 10-bit ADC core, two analog comparators, and 16 digital I/O pins let a single chip read thermistors, photo-diodes, and 4-20 mA loops while driving relay drivers. The 1.75 KB Flash holds 1K 14-bit instructions, plenty for sensor linearization tables and Modbus framing; 224 B RAM handles small packet buffers. The 20-pin SSOP footprint allows compact DIN-rail-mount PCBAs. Pair it with a MAX485 RS-485 transceiver for multi-drop sensor buses and a TPS7A30 LDO for clean analog supply.
تجویز کردہ
Low-Cost Remote Control / RF Transmitter
For sub-1 GHz or 315/433 MHz remote-control transmitters, the PIC16F627-04I/SS provides 4 MIPS processing with a 200 ns instruction cycle - sufficient for generating Manchester or PWM-encoded RF frames. The 16 I/O pins accept button matrix scanning, and the USART handles one-wire or UART peripherals. The 2.0V-5.5V supply range enables battery-powered designs (2x AA cells). Low-power sleep modes plus brown-out reset extend coin-cell life. Combined with a SAW-resonator-based TX module, this PIC encodes long-press/double-press events and security rolling codes.
تجویز کردہ
LED Lighting Controller (DMX/DALI Slave)
The PIC16F627-04I/SS can serve as the slave MCU in DMX-512 or DALI lighting fixtures. Its USART handles DMX-512 at 250 kbaud while the CCP/PWM module drives a constant-current LED driver from 0-100% dim. The internal 4 MHz oscillator eliminates external crystal cost, and 1.75 KB Flash accommodates small address-decoding and fade-curve tables. Industrial temperature grade ensures reliable operation in sealed luminaires. The 20-pin SSOP footprint lets the controller share space with the LED driver IC. Pair it with an NCL30000 or AL9910 LED driver for high-efficiency dimming.
تجویز کردہ
Automotive Interior Auxiliary Module
Although the PIC16F627-04I/SS is not AEC-Q100 qualified, its industrial -40C to +85C range and 2.0V-5.5V supply accommodate under-dash and interior-cabin modules. Typical use cases include seat-position encoders, HVAC mode selectors, and ambient-light controllers. The 10-bit ADC reads photodiodes for auto-dimming; the USART talks to the body-control module; PWM drives small interior lamps. For AEC-Q100 designs, upgrade to PIC16F1823-I/SS or PIC16F1936-I/SS which retain the same architectural footprint. Pair this PIC with a TJA1027 LIN transceiver for body-network connectivity.
تجویز کردہ
Smart Sensor / IoT Edge Node
For battery-powered IoT sensor nodes that wake periodically to transmit sensor data, the PIC16F627-04I/SS offers low sleep current and a fast instruction cycle for quick radio-handshake sequences. The PIC16F62X family supports interrupt-driven wake-up from sleep on pin change or comparator events, enabling years of battery life from a CR2032 cell. Use the ADC core to digitize temperature, humidity, or gas-sensor outputs, then transmit over UART to a sub-GHz or BLE companion module. 1.75 KB Flash accommodates small sensor-fusion routines.
تجویز کردہ
Consumer Appliance Control Board
Small kitchen and household appliances (coffee makers, slow cookers, dehumidifiers, washing-machine sub-boards) frequently use the PIC16F627-04I/SS as the primary controller. The PIC drives triac-controlled heater elements via opto-isolators, reads NTC thermistors through the ADC, scans membrane keypads, and manages buzzer PWM. The 2.0V-5.5V supply aligns with rectified mains-derived 5 V rails. The 20-pin SSOP footprint is compact enough for sub-$0.50 BOM. The internal brown-out reset and watchdog timer improve field reliability. Pair with a MOC3021 triac driver for mains switching.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F627-04I/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F627-04/SS | PIC16F627A-I/SS | PIC16F628-04I/SS | PIC16F627-04I/SO | PIC16F627-04E/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP | 20-pin SSOP | 20-pin SSOP | 20-pin SSOP | 20-pin SSOP |
| Program Memory (Flash) | 1.75 KB | 1.75 KB | 1.75 KB | 3.5 KB | 1.75 KB | 1.75 KB |
| Data RAM | 224 bytes | 224 bytes | 224 bytes | 224 bytes | 224 bytes | 224 bytes |
| Maximum Clock Frequency | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Operating Temperature | -40 C to +85 C | 0 C to +70 C (commercial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (extended) |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| I/O Pins | 16 | 16 | 16 | 16 | 16 | 16 |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
اہم امتیازی خصوصیات
- Industrial temperature grade (-40C to +85C) versus commercial 0C-70C variant (بمقابلہPIC16F627-04/SS)
- Latest silicon revision 'A' with improved ADC accuracy and lower power (بمقابلہPIC16F627A-I/SS)
- Doubled Flash memory at same footprint and pinout (بمقابلہPIC16F628-04I/SS)
- Extended temperature range (-40C to +125C) at no additional cost (بمقابلہPIC16F627-04E/SS)
ڈیزائن نوٹس
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 18) and a 10 uF bulk tantalum or aluminum capacitor on the supply rail. The PIC16F627-04I/SS draws typical operating current of <2 mA at 4 MHz / 5 V but spikes during Flash writes. Add a ferrite bead if the supply feeds noisy relay or triac circuits. For sleep-mode battery designs, the brown-out reset threshold defaults to ~4.0 V; configure BOR via CONFIG register if operating below 4 V.
The 20-pin SSOP footprint has 0.65 mm lead pitch, requiring reflow soldering with proper paste stencil aperture design (recommended 0.4 mm stencil thickness). Reserve 0.2 mm copper-to-pad clearance for the exposed leads and avoid placing tall components within 2 mm of the SSOP. For hand-prototyping, use a SSOP-to-DIP adapter PCB to break out the 0.65 mm pitch to 2.54 mm through-hole pins. Route the ICSP clock (RB6) and data (RB7) traces as a short 2-wire pair directly to the PICkit programming header.
Common pitfalls when using the PIC16F627-04I/SS: (1) MCLR pin (RA5) MUST be tied to VDD through a 10 kohm resistor; floating MCLR causes spurious resets. (2) OSC1/OSC2 pins require either a crystal with 22 pF loading capacitors or a proper configuration for internal RC oscillator mode. (3) When migrating from PIC16F84A firmware, the configuration-word bit names differ - re-verify _CONFIG settings. (4) Do not exceed 5.5 V on any I/O pin or the device may latch up; use clamping diodes for ESD-sensitive applications.
The PIC16F627-04I/SS has Schmitt-trigger inputs on most GPIO, but the analog inputs (AN0-AN3) require careful analog trace routing. Keep analog traces short, guard them with a ground plane on both sides, and add a small RC filter (10 ohm + 100 nF) for noisy environments. When using the USART at 9600 baud or higher, ensure the RX line has a 100 kohm pull-up to prevent false start bits. For PWM outputs driving triacs, isolate the MCU ground from the mains side using an opto-coupler (MOC3021) to avoid ground-loop noise coupling into the ADC.
تعمیل کی معلومات
RoHS compliant per Microchip product page; SSOP-20 is lead-free. Not AEC-Q100 qualified; for AEC-Q100 designs use PIC16F1823-I/SS or PIC16F1936-I/SS. Halogen-free status not explicitly stated in the verified snippet - defaulting to 'unknown'.
