PIC16F627-04/P - 4MHz 8-Bit Flash MCU, 1.75KB | Microchip
MPN: PIC16F627-04/P ✓ فعالPIC16F627-04/P جائزہ
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and I/O peripherals on one die; the 8-bit data path means arithmetic and data movement operate on 8-bit bytes. Mid-range PIC MCUs sit between baseline (10-/12-bit instruction) and enhanced mid-range / 16-bit families in Microchip's portfolio, offering a balance of code density, peripheral richness, and cost for embedded control. PIC16F627-04/P belongs to the PIC16F mid-range family and is widely used as an upgrade path from legacy PIC16C/16F devices.
Key features of the PIC16F627-04/P include: a 4 MHz internal oscillator / external clock option, 16 digital I/O pins with high-current sink/source capability, an internal 4 MHz RC oscillator, two 8-bit timers plus one 16-bit timer (Timer1), a 10-bit PWM module, an analog comparator with absolute voltage reference, a USART module for serial communication, and an internal watchdog timer with its own RC oscillator. The wide 4.5 V to 5.5 V operating range and industrial -40 C to +85 C temperature grade support harsh-environment designs.
Architecturally, the PIC16F627-04/P uses a 14-bit instruction word, separate program and data buses (Harvard), and 35 single-word instructions - making assembly programming compact and C compilation efficient. The on-chip in-circuit serial programming (ICSP) interface enables firmware updates after PCB assembly, while the flash program memory supports 100,000 erase/write cycles, allowing field-reconfigurable designs.
Typical applications include appliance controls, security and alarm panels, automotive body electronics (non-safety), industrial sensor interfaces, low-end remote controls, and general-purpose 8-bit embedded logic replacement. The PDIP-18 footprint simplifies breadboard prototyping and through-hole hobbyist designs, while the wide ecosystem of MPLAB X IDE, XC8 compiler, and PICkit programmers lowers development cost.
When designing with this MCU, ensure the supply decoupling network (100 nF + 10 uF bulk) sits within 50 mm of the VDD/VDD2 pins, and follow Microchip's recommended analog/digital ground partitioning when using the comparator with PWM to avoid switching noise coupling. For battery-powered designs, prefer the PIC16F627-04I/P (industrial -40 to +85 C variant) or the PIC16F628A for additional code space.
This page synthesizes verified distributor stock and pricing, drop-in alternative MPNs, and design considerations not aggregated on the Microchip datasheet PDF - giving procurement engineers and designers a one-stop summary for sourcing and second-source decisions.
کے لیے ڈراپ اِن متبادل PIC16F627-04/P — 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 PIC16F627-04/P (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, Package, Timers, Core Architecture, Mounting Type.
PIC16F628-04/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627-04I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627A-I/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F648A-04/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F627-04/P زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Device Family | PIC16F62X (mid-range 8-bit) |
| Core Architecture | Harvard RISC, 14-bit instruction word |
| Instruction Set | 35 single-word instructions |
| Maximum Clock Speed | 4 MHz |
| Program Memory (Flash) | 1.75 KB (1K x 14 words) |
| Data RAM | 224 bytes |
| Data EEPROM | 128 bytes |
| I/O Pins | 16 digital I/O |
| Timers | 2 x 8-bit (Timer0, Timer2) + 1 x 16-bit (Timer1) |
| PWM Module | 10-bit resolution, 1 channel |
| Analog Comparator | Yes, with absolute voltage reference |
| USART | Yes (1 module) |
| سپلائی وولٹیج | 4.5 V to 5.5 V |
| آپریٹنگ درجہ حرارت | 0 C to +70 C (commercial, /P suffix) |
| پیکیج | 18-pin PDIP (0.300 in / 7.62 mm) |
| ماؤنٹنگ ٹائپ | Through-Hole (THT) |
| RoHS اسٹیٹس | Compliant (lead-free) |
PIC16F627-04/P پن کنفیگریشن
| پن 1 | RA2/AN2/VREF — Port A bit 2 / analog input / voltage reference |
| پن 2 | RA3/AN3/CMP1 — Port A bit 3 / analog input / comparator-1 output |
| پن 3 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| پن 4 | RA5/MCLR/VPP — Port A bit 5 / Master Clear (reset) / programming voltage |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0/INT — Port B bit 0 / external interrupt |
| پن 7 | RB1/RX/DT — Port B bit 1 / USART RX / data |
| پن 8 | RB2/TX/CK — Port B bit 2 / USART TX / clock |
| پن 9 | RB3/CCP1 — Port B bit 3 / Capture-Compare-PWM 1 |
| پن 10 | RB4/PGM — Port B bit 4 / LVP programming |
| پن 11 | RB5 — Port B bit 5 |
| پن 12 | RB6/ICSPCLK — Port B bit 6 / ICSP clock |
| پن 13 | RB7/ICSPDAT — Port B bit 7 / ICSP data |
| پن 14 | VDD — Positive supply (5 V) |
| پن 15 | OSC2/CLKOUT — Oscillator output / clock out |
| پن 16 | OSC1/CLKIN — Oscillator input / clock in |
| پن 17 | RA6/OSC2 — Port A bit 6 / secondary oscillator output |
| پن 18 | RA7/OSC1 — Port A bit 7 / secondary oscillator input |
عام استعمالات
PIC16F627-04/P کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control Boards, Security and Alarm Panels, Industrial Sensor Interfaces, Remote Control and Wireless Keyfobs, Hobby and Educational Projects, Automotive Body Electronics (Non-Safety).
Appliance Control Boards
The PIC16F627-04/P fits appliance control boards such as washing machines, microwaves, and small kitchen appliances. Its 16 high-current I/O pins (25 mA sink/source) directly drive relays, triacs, and LED indicators without external drivers. The on-chip 10-bit PWM module generates motor speed control signals for fans or pumps. With 4.5 V to 5.5 V operation and the 18-pin PDIP footprint simplifying service-friendly through-hole assembly, this MCU is preferred over SMD parts in field-replaceable consumer designs.
تجویز کردہ
Security and Alarm Panels
The PIC16F627-04/P is well suited for security alarm control panels and PIR sensor interfaces. Its 4 MHz Harvard RISC core executes 5 MIPS, sufficient for debouncing multiple zones and running a keypad scan loop concurrently. The internal EEPROM (128 bytes) stores user codes and event logs without external memory. The USART module links to a central monitoring station or GSM dialer. Operating from 5 V enables direct interface to legacy 12 V-backed alarm sensors with simple resistor dividers.
تجویز کردہ
Industrial Sensor Interfaces
In industrial sensor signal-conditioning modules, the PIC16F627-04/P reads analog comparators, scales 4-20 mA loops, and formats data for digital buses. The on-chip analog comparator with selectable voltage reference simplifies threshold detection for temperature, pressure, or level switches. The USART supports Modbus RTU over RS-485 with an external transceiver, and the industrial /04I/P variant tolerates -40 C to +85 C factory floors. EEPROM stores calibration constants.
تجویز کردہ
Remote Control and Wireless Keyfobs
The PIC16F627-04/P serves as the brain of handheld remote controls, RF keyfobs, and IR transmitter units. Its 4 MHz operation keeps current draw low, extending battery life on 2x AA or coin-cell supplies. The USART or bit-banged GPIO drives 315/433 MHz SAW transmitters or IR LEDs for line-of-sight control. The 18-pin PDIP package is breadboard-friendly for prototype development before committing to an SMD layout.
تجویز کردہ
Hobby and Educational Projects
The PIC16F627-04/P is a popular MCU for hobbyist projects, maker tutorials, and university embedded systems courses. The PDIP-18 through-hole form factor inserts easily into breadboards and stripboards, simplifying rapid prototyping without specialized reflow equipment. The 35-instruction RISC architecture makes assembly-language teaching tractable, while the XC8 C compiler and free MPLAB X IDE lower the entry barrier. Many classic textbooks use this PIC family as reference examples.
تجویز کردہ
Automotive Body Electronics (Non-Safety)
For non-safety automotive body electronics such as interior lighting controllers, mirror adjusters, or seat-position memories, the PIC16F627-04/P provides a cost-effective solution. The internal watchdog timer with dedicated RC oscillator handles automotive electrical noise and load-dump events. The 5 V operation aligns with body-control voltage rails (often regulated from 12 V). For under-hood or safety-critical applications, choose the PIC16F627-04E/P extended temperature variant or migrate to AEC-Q100 qualified PIC16F1xxx parts.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F627-04/P — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F628-04/P | PIC16F627-04I/P | PIC16F627A-I/P | PIC16F648A-04/P |
|---|---|---|---|---|---|
| Package | PDIP-18 (0.300 in) | PDIP-18 - same | PDIP-18 - same | PDIP-18 - same | PDIP-18 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 1.75 KB (1K x 14) | 3.5 KB (2K x 14) | 1.75 KB (1K x 14) | 1.75 KB (1K x 14) | 7 KB (4K x 14) |
| RAM | 224 bytes | 224 bytes | 224 bytes | 224 bytes | 256 bytes |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 256 bytes |
| Max Clock Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Operating Temperature | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C | -40 C to +85 C | 0 C to +70 C |
| PWM Module | 10-bit, 1 channel | 10-bit, 1 channel | 10-bit, 1 channel | 10-bit, 1 channel | 10-bit, 1 channel |
اہم امتیازی خصوصیات
- Higher program memory in same package (بمقابلہPIC16F627-04/P vs PIC16F628-04/P)
- Industrial temperature option (بمقابلہPIC16F627-04/P vs PIC16F627-04I/P)
- Largest Flash within PIC16F62X PDIP-18 (بمقابلہPIC16F627-04/P vs PIC16F648A-04/P)
ڈیزائن نوٹس
Place a 100 nF ceramic decoupling capacitor within 5 mm of the VDD pin (14) and a 10 uF bulk electrolytic/tantalum at the PCB power entry. For designs using the analog comparator, add a separate 100 nF decoupling near the AVREF pin and use a star-ground topology to prevent digital switching noise from coupling into the comparator reference.
Route the ICSP lines RB6/ICSPCLK and RB7/ICSPDAT with traces shorter than 100 mm and away from switching nodes. According to Microchip's ICSP specification, a 10 kohm pull-up on MCLR (pin 4) is recommended when using high-voltage programming; for low-voltage programming (LVP), leave RB4 floating or pulled low to enter programming mode accidentally.
Do not exceed the absolute maximum VDD of 7.5 V or current per pin of 25 mA. According to the Microchip datasheet, the configuration word FOSC bits must be set before enabling the oscillator or the device may lock up; in particular, choosing an oscillator mode that does not match the actual XTAL/RC network will prevent startup. Always verify oscillator configuration in code and on hardware.
When using the internal 4 MHz RC oscillator, the OSC2/CLKOUT pin can output the system clock as a reference; if unused, leave it floating. For designs sensitive to clock jitter (USART communication), prefer an external crystal with 15-33 pF load capacitors on OSC1/OSC2, since the internal RC oscillator typically has 1-2% accuracy and may exceed the USART baud-rate error budget at 115200 bps.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Lead-free (Pb-free) PDIP package. Not AEC-Q100 qualified - choose PIC16F627-04I/P or PIC16F1xxx with AEC-Q100 for automotive.