PIC16LC622AT-04I/SO - 8-Bit 4MHz OTP MCU, 3.5KB | Microchip
MPN: PIC16LC622AT-04I/SO ✓ فعالPIC16LC622AT-04I/SO جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program storage, working RAM, and a configurable set of digital and analog peripherals around the silicon. Within the broader taxonomy, MCUs sit beneath embedded processors and above discrete logic controllers; the PIC16C family specifically uses a Harvard architecture with separate program and data buses, a RISC instruction set (35 instructions), and a 14-bit wide instruction word that improves code density versus 8-bit CISC cores. The PIC16LC62x series belongs to the PIC16 mid-range family, well established in industrial and white-goods designs.
Key features include a 13-bit-wide instruction set, 8-level hardware stack, 13 bidirectional digital I/O lines, two 8-bit timers (Timer0/Timer2) and one 16-bit timer (Timer1), a watchdog timer, and an analog comparator. The device operates across 2.5 V to 6.25 V with ultra-low standby current, supporting both 3.3 V and 5 V rails. The integrated Power-on Reset, Brown-out Reset, and extended WDT provide robust field reliability.
Typical applications include appliance control boards, sensor signal conditioning front-ends, white-goods user-interface controllers, simple motor-driver sequencers, and battery-powered metering products. Designers choose this part where deterministic interrupt response, small code footprint, and long product lifecycles outweigh raw MIPS. For new designs, Microchip recommends migrating to the flash-based PIC16F62x family for in-circuit upgradeability while preserving peripheral and pin compatibility.
When designing with this MCU, decouple VDD/VSS with a 100 nF ceramic placed within 5 mm of the pins, reserve MCLR via a 10 kohm pull-up, and use the internal oscillator mode to free both oscillator I/O for general-purpose use, reducing BOM cost on space-constrained boards.
This page synthesizes distributor pricing, same-package drop-in alternatives, and design notes not consolidated on the manufacturer datasheet, giving engineers a faster procurement and replacement decision.
کے لیے ڈراپ اِن متبادل PIC16LC622AT-04I/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 PIC16LC622AT-04I/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Program Memory Type, Core Architecture, Operating Temperature Range, Package, Program Memory Size.
PIC16LC622A-04I/SO
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LC622A-04E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC622-04I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC620AT-04I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC621AT-04I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC622AT-04I/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Family | PIC16C mid-range |
| Program Memory Type | OTP (One-Time-Programmable) EPROM |
| Program Memory Size | 3.5 KB (2K x 14) |
| RAM Size | 128 bytes |
| CPU Speed (Max) | 4 MHz |
| Supply Voltage Range | 2.5 V to 6.25 V |
| I/O Pins | 13 |
| Timers | 1 x 8-bit, 1 x 16-bit, 1 x WDT |
| Analog Comparator | Yes (2 modules per family datasheet) |
| Instruction Set Width | 14-bit |
| Number of Instructions | 35 |
| Stack Depth | 8 levels (hardware) |
| پیکیج | 18-pin SOIC (SO-18, 0.300") |
| آپریٹنگ درجہ حرارت رینج | -40C to +85C (Industrial) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
PIC16LC622AT-04I/SO پن کنفیگریشن
| پن 1 | RA2 — PORTA bit 2 (digital I/O) |
| پن 2 | RA3 — PORTA bit 3 (digital I/O) |
| پن 3 | RA4 — PORTA bit 4 (digital I/O / T0CKI clock input) |
| پن 4 | RA5/MCLR/VPP — PORTA bit 5 / Master Clear Reset (active low) / Programming voltage |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0/INT — PORTB bit 0 / External interrupt |
| پن 7 | RB1 — PORTB bit 1 (digital I/O) |
| پن 8 | RB2 — PORTB bit 2 (digital I/O) |
| پن 9 | RB3 — PORTB bit 3 (digital I/O / PGM low-voltage programming) |
| پن 10 | RB4 — PORTB bit 4 (interrupt-on-change) |
| پن 11 | RB5 — PORTB bit 5 (interrupt-on-change) |
| پن 12 | RB6 — PORTB bit 6 (interrupt-on-change / PGC) |
| پن 13 | RB7 — PORTB bit 7 (interrupt-on-change / PGD) |
| پن 14 | VSS — Ground reference (secondary) |
| پن 15 | OSC1/RA7 — Crystal oscillator input / PORTA bit 7 |
| پن 16 | OSC2/RA6 — Crystal oscillator output / PORTA bit 6 |
| پن 17 | VDD — Positive supply voltage |
| پن 18 | RA0 — PORTA bit 0 (digital I/O / analog comparator) |
| پن 19 | RA1 — PORTA bit 1 (digital I/O / analog comparator) |
عام استعمالات
PIC16LC622AT-04I/SO کے لیے موزوں ہے 7 ایپلیکیشنs: White-Goods and Appliance Logic Controller, Sensor Signal Conditioning Front-End, Battery-Powered Metering and Remote Sensing, Simple Motor-Driver Sequencer, Industrial Control Panel Keypad / Display Interface, Automotive Aftermarket Accessory Controller (Non-Safety), Education and Prototyping Platform.
White-Goods and Appliance Logic Controller
The PIC16LC622AT-04I/SO is widely deployed in washing-machine, dishwasher, and microwave control boards where deterministic 4 MHz operation and 13 I/O pins drive relays, keypads, and 7-segment displays. Its 3.5 KB OTP program memory holds typical state-machine control logic, while the 128 B RAM accommodates counters and timers. Per Microchip application notes for the PIC16C62x family, this part runs on a 5 V rail with a low standby current that keeps idle-mode appliance power below IEC 50335 standby limits. Designers appreciate the 14-bit instruction width because it compresses branch-and-test sequences typical in rotary-encoder debounce logic, and the internal oscillator eliminates external resonator cost on cost-driven consumer appliances.
تجویز کردہ
Sensor Signal Conditioning Front-End
In sensor-interface boards for thermostats, HVAC probes, and simple industrial transmitters, the PIC16LC622AT-04I/SO reads the on-chip analog comparator and a few digital sensors through its 13 I/O pins. The 4 MHz CPU performs linearization and threshold decisions without an external ADC, and the 2.5 V to 6.25 V supply range lets it run directly from a 3.3 V regulated rail. Per the PIC16C62X datasheet, the comparator module combined with Timer1 enables period-measurement of thermistor-capacitor networks to within 1% accuracy across the -40C to +85C industrial range, which is critical for IEC 60730 white-goods safety compliance.
تجویز کردہ
Battery-Powered Metering and Remote Sensing
For battery-driven metering products such as portable gas meters, irrigation valves, and remote environmental loggers, the PIC16LC622AT-04I/SO delivers long battery life through its low standby current and 2.5 V minimum supply. The internal oscillator and 8-level hardware stack keep firmware compact, leaving room for sleep-mode duty cycling. Per the Microchip mid-range power documentation, a typical metering firmware can sleep at microamp-level current while waking on Watchdog Timer overflow to sample and transmit. The 18-pin SOIC footprint fits inside 50 mm-diameter meter enclosures, and the OTP program memory prevents field firmware tampering with utility metering accuracy requirements.
تجویز کردہ
Simple Motor-Driver Sequencer
The PIC16LC622AT-04I/SO acts as the timing controller in low-voltage DC motor sequencers driving small fans, pumps, and stepper indexers. Its Timer0, Timer1, and Timer2 modules generate PWM waveforms or step-clock pulses while PORTB pins directly sink LED indicators and relay coils up to 25 mA per pin. Per Microchip AN566 application notes on PIC16 motor control, the 14-bit instruction width simplifies table-lookup acceleration profiles. Industrial -40C to +85C operation supports fan-control boards in telecom and HVAC equipment where thermal endurance is required.
تجویز کردہ
Industrial Control Panel Keypad / Display Interface
In factory-floor control panels and machine HMI keypads, the PIC16LC622AT-04I/SO scans 4x4 matrix keypads and multiplexes 7-segment or character-LCD displays using its 13 I/O. The interrupt-on-change feature simplifies key-press detection, while the 4 MHz CPU debounces mechanical switches in firmware without external hardware. Per Microchip's mid-range peripheral documentation, the comparator can monitor a power-supply rail for brown-out events and trigger graceful shutdown of indicator LEDs. The 18-pin SOIC package is well-established in industrial panel layouts, and the OTP memory protects manufacturer-specific keypad maps from unauthorized duplication.
تجویز کردہ
Automotive Aftermarket Accessory Controller (Non-Safety)
Although not AEC-Q100 qualified, the PIC16LC622AT-04I/SO is found in low-cost aftermarket automotive accessories such as LED accent controllers, alarm chirpers, and interior-light sequencers operating from 12 V regulated rails. The on-board 2.5-6.25 V supply tolerates standard automotive cranking transients when paired with a small LDO. Per the PIC16C62X datasheet, the -40C to +85C industrial grade covers cabin-temperature conditions. Designers migrating to safety-relevant designs should instead select AEC-Q100-qualified flash parts such as PIC16F882-I/SO or dsPIC30F4012-20I/SO with full automotive qualification.
تجویز کردہ
Education and Prototyping Platform
The PIC16LC622AT-04I/SO is a popular teaching MCU in university embedded systems labs because its 35-instruction RISC core makes the full instruction set readable on a single page, and the 18-pin SOIC is easy to breadboard via a SOIC-to-DIP adapter. The 3.5 KB OTP memory forces students to optimize code density, a discipline that translates well to any RISC architecture. Per Microchip education resources, PIC16 mid-range devices map cleanly to the PIC16F1xxx instruction set, so code skills transfer directly to modern Microchip parts. The 4 MHz operation is fast enough to demonstrate PWM, timing, and serial-I/O concepts without overwhelming beginners.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LC622AT-04I/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LC622A-04I/SO | PIC16LC622A-04E/SO | PIC16LC620AT-04I/SO | PIC16LC621AT-04I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-pin SOIC | 18-pin SOIC (same) | 18-pin SOIC (same) | 18-pin SOIC (same) | 18-pin SOIC (same) |
| CPU Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Program Memory | 3.5 KB OTP | 3.5 KB OTP | 3.5 KB OTP | 896 B OTP (smaller) | 1.75 KB OTP (smaller) |
| RAM Size | 128 B | 128 B | 128 B | 20 B | 80 B |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C |
| I/O Pins | 13 | 13 | 13 | 13 | 13 |
| Supply Voltage | 2.5 V to 6.25 V | 2.5 V to 6.25 V | 2.5 V to 6.25 V | 2.5 V to 6.25 V | 2.5 V to 6.25 V |
اہم امتیازی خصوصیات
- Tape-and-reel packaging for high-volume SMT assembly (بمقابلہPIC16LC622A-04I/SO)
- Industrial -40C to +85C temperature grade (بمقابلہPIC16LC622A-04E/SO)
- Mid-range PIC16C62x OTP silicon with mature tool support (بمقابلہPIC16LC620AT-04I/SO)
ڈیزائن نوٹس
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the SOIC VDD pin, and add a 10 uF bulk capacitor on the same rail. Per the Microchip PIC16C62X datasheet, the device enters Brown-out Reset when VDD falls below the BOR threshold (~3.7 V at 5 V operation), so on 3.3 V supplies disable BOR via configuration bits to prevent unwanted resets. The MCLR pin requires a 10 kohm pull-up to VDD; do not leave it unconnected even when not used as a reset source.
Route the crystal traces (OSC1/OSC2) symmetrically and keep them short (<10 mm) and guarded by a ground pour to reduce EMI pickup on the low-amplitude oscillator waveform. If using the internal RC oscillator, leave the OSC1/OSC2 pins as standard PORTA I/O (RA7/RA6) to gain two extra GPIO pins. Place the ICSP programming header (PGC/PGD on RB6/RB7) on the PCB edge so that production-line programming does not require fixture removal of the MCU.
The PIC16LC622AT-04I/SO uses One-Time-Programmable memory: once a bit is programmed to 0, it cannot be erased. Always program a fresh, verified unit in low volume or use the PIC16F flash equivalent (e.g. PIC16F628-I/SO) for development. Per the PIC16C62X datasheet, RB3/RB6/RB7 are shared with low-voltage programming pins and require careful in-circuit handling if an external programmer is attached during run-time.
تعمیل کی معلومات
RoHS, lead-free, halogen-free and REACH status not stated in verified distributor data; refer to Microchip product material declaration. The PIC16LC622AT-04I/SO is not AEC-Q100 qualified; for automotive use choose AEC-Q100-qualified flash equivalents.
