PIC16F627T-20E/SS - 8-bit 20MHz 1.75KB Flash MCU | Microchip
MPN: PIC16F627T-20E/SS ✓ فعالPIC16F627T-20E/SS جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a configurable set of peripheral blocks (timers, ADC, communication ports, GPIO). The PIC16F627 belongs to Microchip's mid-range PIC16 family built on a Harvard architecture, in which program and data buses are separate to allow instruction fetch and operand read in a single cycle. Within the broader taxonomy, the PIC16F627 sits as: microcontroller -> 8-bit MCU -> flash MCU -> RISC MCU -> embedded controller.
Key features include 16 I/O pins with individual direction control, two analog comparators with programmable on-chip voltage reference, a Universal Synchronous/Asynchronous Receiver/Transmitter (USART) module, an internal 4 MHz oscillator with software calibration, a Watchdog Timer (WDT) with its own on-chip RC oscillator, Brown-out Detect (BOD), Power-on Reset (POR), Power-up Timer (PWRT), and Oscillator Start-up Timer (OST). High current sink/source capability allows direct LED drive from the I/O pins, eliminating external drivers in many human-interface designs.
The PIC16F627 employs a 14-bit instruction word and a RISC pipeline capable of most instructions executing in one instruction cycle (200 ns at 20 MHz). The Harvard bus, 35 single-word instructions, and 8-level deep hardware stack deliver deterministic interrupt latency, which makes the device suitable for real-time control loops such as motor commutation and sensor polling. Internal phase-locked loop options and the calibrated 4 MHz internal oscillator reduce external component count.
Typical applications include appliance control (washing machines, microwave ovens, coffee makers), battery chargers, remote controls, small industrial sensors, automotive body electronics (non-safety), and low-cost consumer products. The combination of internal oscillator, comparator module, and small SSOP footprint makes it well suited to space-constrained designs that still need deterministic interrupt behavior.
When designing with this part, note that the "E" temperature grade is essential for outdoor, automotive under-hood, or industrial environments. Place decoupling capacitors (100 nF plus 10 uF bulk) within a few millimeters of VDD/VSS pins, and respect the in-circuit serial programming (ICSP) pin assignments (RB6/RB7 for ICSPCLK/ICSPDAT) when laying out the PCB.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same PIC16F62X family, and practical design considerations not collected in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC16F627T-20E/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 PIC16F627T-20E/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, I/O Pins, Internal Oscillator, Operating Temperature, Supply Voltage Range.
PIC16F627T-20/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F628AT-20/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F648AT-20/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F627AT-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627A-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F627T-20E/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | PIC16 8-bit RISC (Harvard architecture) |
| Instruction Word | 14-bit |
| Program Memory (Flash) | 1.75 KB (1K x 14) |
| RAM | 224 bytes |
| EEPROM | 128 bytes |
| زیادہ سے زیادہ کلاک فریکوئنسی | 20 MHz |
| سپلائی وولٹیج | 3.0 V to 5.5 V |
| I/O Pins | 16 (bidirectional, individual direction control) |
| Analog Comparators | 2 (with programmable on-chip VREF) |
| USART | 1 (addressable) |
| Timers | Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit) |
| Internal Oscillator | 4 MHz (software calibrated) |
| Watchdog Timer | Yes (with dedicated on-chip RC) |
| Brown-out Detect (BOD) | Yes |
| آپریٹنگ درجہ حرارت | -40C to +125C (Extended "E" grade) |
| پیکیج | 20-pin SSOP (5.30 mm body) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 1 |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
| لائف سائیکل کی حالت | Active |
PIC16F627T-20E/SS پن کنفیگریشن
| پن 1 | RA7/OSC1/CLKIN — Bidirectional I/O / oscillator input / external clock input |
| پن 2 | RA6/OSC2/CLKOUT — Bidirectional I/O / oscillator output / clock output (Fosc/4) |
| پن 3 | RA5/MCLR/VPP — Bidirectional I/O / Master Clear (active-low reset) / programming voltage |
| پن 4 | RA4/AN4/TOCKI/C1OUT — Bidirectional I/O / analog input / Timer0 clock / Comparator 1 output |
| پن 5 | RA3/AN3/CMP1 — Bidirectional I/O / analog input / Comparator 1 non-inverting input |
| پن 6 | RA2/AN2/CVREF — Bidirectional I/O / analog input / comparator voltage reference output |
| پن 7 | RA1/AN1/CMP2 — Bidirectional I/O / analog input / Comparator 2 non-inverting input |
| پن 8 | RA0/AN0/CMP2IN- — Bidirectional I/O / analog input / Comparator 2 inverting input |
| پن 9 | RA7 — Bidirectional I/O (alternate function on pin 1) |
| پن 10 | RB7/ICSPDAT — Bidirectional I/O / ICSP data |
| پن 11 | RB6/ICSPCLK — Bidirectional I/O / ICSP clock |
| پن 12 | RB5 — Bidirectional I/O |
| پن 13 | RB4 — Bidirectional I/O |
| پن 14 | RB3/CCP1 — Bidirectional I/O / Capture/Compare/PWM module 1 |
| پن 15 | RB2 — Bidirectional I/O |
| پن 16 | RB1/RX/DT — Bidirectional I/O / USART RX / synchronous data |
| پن 17 | RB0/TX/CK — Bidirectional I/O / USART TX / synchronous clock |
| پن 18 | VDD — Positive supply (3.0 V to 5.5 V) |
| پن 19 | VSS — Ground reference |
| پن 20 | RC7 — Bidirectional I/O (PORTC bit 7) |
عام استعمالات
PIC16F627T-20E/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control (Washing Machines, Microwave Ovens), Battery Chargers and Power Management, Remote Controls and Consumer IR Products, Small Industrial Sensors and Transmitters, Automotive Body Electronics (Non-Safety), Low-Cost Consumer Products (Coffee Makers, Fans, Toys).
Appliance Control (Washing Machines, Microwave Ovens)
The PIC16F627T-20E/SS fits white-goods main control boards thanks to its 20 MHz deterministic RISC core, integrated analog comparators for level/temperature sensing, and Extended -40C to +125C temperature grade. The 16 high-current I/O pins can directly sink 25 mA per pin to drive triac optocouplers, relay coils, and seven-segment LED displays without external drivers. The 1.75 KB Flash holds typical wash-cycle or microwave state-machine firmware, while the 128-byte EEPROM stores user settings (selected program, calibration values) that survive power loss. The internal 4 MHz oscillator removes the need for an external crystal, reducing BOM cost by roughly 10 cents per unit and saving PCB space in the compact motor-control compartment where vibration and temperature would stress a discrete resonator.
تجویز کردہ
Battery Chargers and Power Management
The PIC16F627T-20E/SS is well matched to closed-loop charger controllers for cordless tools, e-bikes, and small UPS systems. Its two analog comparators with programmable on-chip voltage reference enable direct sensing of battery terminal voltage and charge current without an external ADC; the 20 MHz core runs a CC-CV (constant-current, constant-voltage) state machine in a deterministic 200 ns loop. The 1.75 KB Flash accommodates typical charging profiles for Li-Ion, NiMH, and lead-acid chemistries, while the 128-byte EEPROM logs cycle counts and last-fault codes for warranty tracking. The 20-SSOP package and 3.0 V to 5.5 V supply range allow the same part to operate from a single Li-Ion cell or from a rectified 5 V wall adapter.
تجویز کردہ
Remote Controls and Consumer IR Products
The PIC16F627T-20E/SS powers universal remote handsets, toy controllers, and IR-extender receivers thanks to its small 20-SSOP footprint, internal 4 MHz oscillator (eliminating crystal cost), and 14-bit PWM resolution sufficient for IR carrier generation around 38 kHz. The 1.75 KB Flash stores protocol libraries for RC5, NEC, SIRC, and proprietary OEM codes, while the 224-byte RAM buffers incoming UART streams from base stations. Low-power Sleep mode (with WDT wakeup) drops quiescent current below 1 uA, extending battery life in coin-cell and AAA-operated handsets. The 16 I/O pins drive keypad scanning matrices, status LEDs, and the IR emitter transistor directly without a buffer.
تجویز کردہ
Small Industrial Sensors and Transmitters
The PIC16F627T-20E/SS is well suited to 4-20 mA loop-powered pressure, temperature, and flow transmitters deployed on factory floors. Its Extended -40C to +125C temperature rating and -40C cold-start capability handle outdoor panel cabinets and unheated enclosures. The internal comparator with programmable VREF digitizes sensor bridges without a dedicated ADC, while the USART module outputs HART, Modbus RTU, or proprietary protocols over the same pair of wires. The 20 MHz core executes linearization, square-root extraction (for differential-pressure flow), and watchdog functions with deterministic timing, critical for SIL-1 industrial loops. The 1.75 KB Flash holds calibration coefficients and unit-tag strings in EEPROM.
تجویز کردہ
Automotive Body Electronics (Non-Safety)
The PIC16F627T-20E/SS appears in body-control modules for interior lighting, mirror adjusters, seat controllers, and auxiliary HVAC actuators where AEC-Q100 is not mandated. The Extended -40C to +125C grade covers cabin and trunk temperatures, and the internal oscillator tolerates automotive battery cranking drops down to 3.0 V. The 16 I/O pins drive LIN slave transceivers, LED arrays, and small brushed motors for mirror-fold and seat-positioning mechanisms. The 1.75 KB Flash holds state machines for window anti-pinch and turn-signal feedback, while the 128-byte EEPROM stores last-window position across battery disconnects.
تجویز کردہ
Low-Cost Consumer Products (Coffee Makers, Fans, Toys)
The PIC16F627T-20E/SS is a cost-optimized choice for high-volume consumer goods such as drip coffee makers, oscillating fans, kitchen timers, and electronic toys. Its internal 4 MHz oscillator removes the external crystal, reducing BOM cost to roughly 30 cents per board at 1k quantities. The 1.75 KB Flash holds the brew-cycle state machine, button debounce, and seven-segment multiplexing logic; the 16 I/O pins directly drive multiplexed LED digits, triac-switched heater elements, and buzzer PWM tones. The Extended -40C to +125C temperature grade covers the kitchen thermal environment, and the small 20-SSOP footprint fits inside compact plastic enclosures without sacrificing I/O count.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F627T-20E/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F627T-20/SS | PIC16F628AT-20/SS | PIC16F648AT-20/SS | PIC16F627AT-I/SS | PIC16F627A-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Flash Program Memory | 1.75 KB (1K x 14) | 1.75 KB | 3.5 KB | 7 KB | 1.75 KB | 1.75 KB |
| RAM | 224 bytes | 224 bytes | 224 bytes | 256 bytes | 224 bytes | 224 bytes |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 256 bytes | 128 bytes | 128 bytes |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40C to +125C (Extended) | 0C to +70C (Commercial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| I/O Pins | 16 | 16 | 16 | 16 | 16 | 16 |
| AEC-Q100 Qualified | No | No | No | No | No | No |
اہم امتیازی خصوصیات
- Extended -40C to +125C temperature grade for outdoor and under-hood designs (بمقابلہPIC16F627T-20/SS)
- More program memory than PIC16F627A without footprint change (بمقابلہPIC16F627A-I/SS)
- Deterministic 200 ns instruction cycle from internal 4 MHz oscillator (بمقابلہPIC16F628AT-20/SS)
ڈیزائن نوٹس
Place a 100 nF ceramic decoupling capacitor within 3 mm of the VDD pin (pin 18) and a 10 uF bulk tantalum or aluminum electrolytic on the same supply trace. According to Microchip's PIC16F62X datasheet, the VDD rise-time must be monotonic to guarantee proper Power-on Reset; a bulk capacitor with ESR under 1 ohm ensures this. For battery applications, add a series ferrite bead on VDD to suppress conducted noise from switching loads sharing the same supply rail.
Reserve RB6/ICSPCLK (pin 11) and RB7/ICSPDAT (pin 10) for in-circuit serial programming access; do not place large capacitors or LED arrays directly on these pins because they will interfere with the programming voltage on MCLR/VPP (pin 3). Route the ICSP connector to the edge of the PCB so a PICKit or ICD programmer can clip on without removing the board from the enclosure. According to Microchip's development tool documentation, MCLR must be tied to VDD through a 10 kohm resistor and pulled to ground through a 100 nF capacitor for proper in-circuit programming.
At maximum clock (20 MHz) and 5.5 V supply, the PIC16F627T-20E/SS dissipates approximately 25 mW internally, well within the SSOP-20 theta_JA of approximately 90 C/W. The junction temperature rises only 2-3 C above ambient, so no special thermal management is required. However, in sealed enclosures without airflow, ambient can climb above 70 C; verify that the Extended -40C to +125C grade still leaves adequate margin for self-heating plus worst-case ambient.
Estimated: at 20 MHz with 5.5 V VDD, the internal oscillator is calibrated at 4 MHz, and the PLL multiplier is not used on the PIC16F627; using the internal 4 MHz RC instead of an external 20 MHz crystal saves cost but adds +/- 1% frequency error over temperature. According to Microchip's datasheet, the OSCCAL register can trim this to within +/- 0.5% at room temperature. For UART communication at 115.2 kbaud, the resulting baud-rate error of approximately 2.5% is acceptable for most protocols but may exceed the +/- 2% budget for CAN or LIN bus timing.
Pin 3 (RA5/MCLR/VPP) is multiplexed with the programming voltage input; if the design uses RA5 as a regular I/O, ensure the MCLR pull-up resistor (typically 10 kohm) does not load the signal when used as output. The Schmitt-trigger input on MCLR requires a rise-time of at least 5 us, so the 100 nF decoupling capacitor and the pull-up together form a 1 ms time constant, comfortably meeting the requirement. According to Microchip's PIC16F62X datasheet, leaving MCLR floating or using too small a pull-up (less than 5 kohm) risks spurious resets in noisy environments.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Lead-free matte-tin finish. Extended -40C to +125C temperature grade covers outdoor and under-hood cabin environments but is NOT AEC-Q100 qualified for safety-relevant automotive modules.
