PIC16LC66-04/SO - 8-Bit 4MHz MCU, 14KB OTP, 28-SOIC | Microchip
MPN: PIC16LC66-04/SO ✗ اختتامِ زندگیPIC16LC66-04/SO جائزہ
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, working RAM, and configurable peripherals. The PIC16C family uses a Harvard RISC architecture that separates program and data buses, enabling simultaneous instruction fetch and data access. Within the broader taxonomy, the PIC16LC66 is a mid-range 8-bit MCU falling under the power-managed LC sub-family, sitting between basic PIC12/PIC14 devices and higher-pin PIC17/PIC18 parts.
Key features include on-chip peripherals for I2C (Master/Slave SPI-compatible), SPI, and UART/USART connectivity; capture/compare/PWM (CCP) modules for timing-critical control; an 8-channel 8-bit A/D converter for analog sensor interfacing; and a watchdog timer plus power-on reset for reliable standalone operation. The 'LC' suffix indicates the low-voltage CMOS process node, allowing operation down to 2.5V for battery-powered designs.
The 28-SOIC (0.295-inch / 7.50mm body width) package uses gull-wing leads and surface-mount construction, suitable for hand-soldering, reflow, and standard pick-and-place assembly. Commercial temperature grade (0C to +70C) targets consumer and industrial embedded systems rather than automotive. The OTP program memory is factory- or field-programmable once, with no in-circuit reprogramming, which differentiates this part from Flash-based PIC16F siblings.
Typical applications include industrial control panels, sensor interfaces, low-power remote controls, appliance control boards, and battery-operated data loggers. When designing with this device, ensure the oscillator selection (RC, XT, HS, LP) matches the 4MHz instruction rate, and verify the maximum I/O source/sink current of 25mA per pin to prevent port damage.
کے لیے ڈراپ اِن متبادل PIC16LC66-04/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 PIC16LC66-04/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory Size, Timers, Core Architecture, Operating Temperature.
PIC16LC66-04I/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC66-04/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC63-04/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC63A-04/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC62A-04/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC58B-04/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC66-04/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Manufacturer | Microchip Technology |
| Series | PIC 16C |
| Core Processor | PIC |
| Core Size | 8-Bit |
| زیادہ سے زیادہ کلاک فریکوئنسی | 4 MHz |
| Instruction Execution Time | 200 ns |
| Program Memory Size | 14 KB (8K x 14) |
| Program Memory Type | OTP (One-Time Programmable) |
| RAM Size | 368 bytes |
| Number of I/O Pins | 22 |
| Supply Voltage Range | 2.5 V to 6 V |
| آپریٹنگ درجہ حرارت رینج | 0 C to +70 C (Commercial) |
| پیکیج / کیس | 28-SOIC (0.295", 7.50mm width) |
| ماؤنٹنگ ٹائپ | Surface Mount (Gull-Wing) |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, A/D 8x8-bit |
| Data Converters | 8-channel 8-bit A/D |
| Oscillator Type | External |
| RoHS اسٹیٹس | Compliant |
| MSL لیول | 1 (Unlimited) |
PIC16LC66-04/SO پن کنفیگریشن
| پن 1 | MCLR/VPP — Master Clear (Reset) input / Programming voltage |
| پن 2 | RA0/AN0 — Port A bit 0 / Analog input 0 |
| پن 3 | RA1/AN1 — Port A bit 1 / Analog input 1 |
| پن 4 | RA2/AN2 — Port A bit 2 / Analog input 2 |
| پن 5 | RA3/AN3/VREF — Port A bit 3 / Analog input 3 / Voltage reference |
| پن 6 | RA4/T0CKI — Port A bit 4 / Timer 0 clock input |
| پن 7 | RA5/AN4/SS — Port A bit 5 / Analog input 4 / SPI Slave Select |
| پن 8 | RE0/RD/AN5 — Port E bit 0 / Read control for parallel slave port |
| پن 9 | OSC1/CLKIN — Oscillator crystal input / External clock input |
| پن 10 | OSC2/CLKOUT — Oscillator crystal output / Clock output |
| پن 11 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer 1 oscillator output / Timer 1 clock input |
| پن 12 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer 1 oscillator input / CCP2 |
| پن 13 | RC2/CCP1 — Port C bit 2 / CCP1 PWM output |
| پن 14 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| پن 15 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| پن 16 | RC5/SDO — Port C bit 5 / SPI data out |
| پن 17 | RC6/TX/CK — Port C bit 6 / UART transmit / synchronous clock |
| پن 18 | RC7/RX/DT — Port C bit 7 / UART receive / synchronous data |
| پن 19 | VSS — Ground reference |
| پن 20 | VDD — Positive supply voltage |
| پن 21 | RB0/INT — Port B bit 0 / External interrupt |
| پن 22 | RB1 — Port B bit 1 |
| پن 23 | RB2 — Port B bit 2 |
| پن 24 | RB3/PGM — Port B bit 3 / LVP programming entry |
| پن 25 | RB4 — Port B bit 4 |
| پن 26 | RB5 — Port B bit 5 |
| پن 27 | RB6/PGC — Port B bit 6 / ICSP clock |
| پن 28 | RB7/PGD — Port B bit 7 / ICSP data |
عام استعمالات
PIC16LC66-04/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Sensor Interface Board, Battery-Powered Remote Control, Appliance Control Board, HVAC Zone Controller Node, Smart Sensor Data Logger, Educational Microcontroller Trainer.
Industrial Sensor Interface Board
The PIC16LC66-04/SO's 8-channel 8-bit A/D converter and 22 digital I/O pins make it well suited for industrial multi-signal acquisition boards. The 4MHz instruction rate provides ample cycles for averaging, scaling, and transmitting sensor data over UART/USART. The 2.5V to 6V supply range accommodates both 3.3V and 5V analog sensor rails. Compared with discrete A/D + microcontroller solutions, the integrated MCU reduces BOM count by at least three components and PCB area by approximately 40 percent. The commercial temperature range (0C to +70C) covers most indoor industrial control panels; for harsher environments choose the /I variant. Brown-out detect and power-on reset add robustness to factory power-line disturbances.
تجویز کردہ
Battery-Powered Remote Control
The PIC16LC66-04/SO's 2.5V to 6V supply range and low-voltage CMOS 'LC' process node deliver low quiescent current, ideal for handheld battery-powered remote controls. The MCU's 4MHz instruction clock, 14KB OTP program memory, and 22 I/O pins support multi-button matrix scanning plus IR LED modulation via the CCP/PWM module. Compared with a discrete 555-timer-based transmitter design, this MCU eliminates timing drift, enables programmable button mapping, and supports bi-directional UART feedback. Three alkaline cells (4.5V nominal) or two lithium coin cells (3V nominal) both fall within the safe operating envelope. Watchdog timer and brown-out reset protect against low-battery brown-out-induced firmware corruption.
تجویز کردہ
Appliance Control Board
The PIC16LC66-04/SO's 22 I/O pins, PWM module, and A/D inputs fit common white-goods appliance control topologies (washing machines, dishwashers, microwave ovens, small kitchen appliances). The 8-bit core runs user-interface button scanning, LED/LCD multiplexing, motor PWM control via CCP, and temperature monitoring via on-chip A/D - replacing 2-3 discrete timers and a logic IC. The 28-SOIC gull-wing package handles standard IR-reflow assembly on high-volume SMT lines. According to Microchip's PIC16C6X datasheet, the integrated POR and brown-out reset provide reliable startup after power-line interruptions typical in appliance environments.
تجویز کردہ
HVAC Zone Controller Node
The PIC16LC66-04/SO's UART/USART peripheral enables daisy-chained RS-485 networking of HVAC zone controllers throughout a building automation system. Each node measures local temperature via A/D, drives a damper servo via PWM, and reports to a central controller over the serial bus. The OTP memory locks in validated zone-control firmware to prevent unauthorized field reprogramming - a regulatory benefit for certified building automation. The 2.5V-6V supply range allows direct operation from a 24VAC-derived DC rail with appropriate rectification. Compared with a dedicated ASIC zone controller, this MCU is approximately 60 percent cheaper and supports late-stage firmware differentiation per zone.
تجویز کردہ
Smart Sensor Data Logger
The PIC16LC66-04/SO combines 14KB OTP program memory and 368 bytes RAM for low-speed data acquisition and logging applications. The 8-channel 8-bit A/D sequentially samples sensors at the 4MHz instruction rate, with on-chip PWM driving a status indicator LED. I2C and SPI peripherals connect to external EEPROM for non-volatile log storage. Compared with an 8051-based logger, this PIC16C consumes less current at equivalent throughput, extending battery life in remote telemetry deployments. The 0C-70C commercial temperature range covers indoor monitoring and laboratory instrumentation; for outdoor use, the /I variant extends to -40C.
تجویز کردہ
Educational Microcontroller Trainer
Universities and technical schools use the PIC16LC66-04/SO on embedded-systems trainer boards because its 28-SOIC footprint is easy to breadboard or socket-mount, and its 35-instruction RISC core lets students grasp fundamentals without the complexity of 32-bit parts. The CCP/PWM, A/D, I2C, SPI, and UART peripherals expose nearly every major embedded building block in one chip. The OTP memory discourages accidental reprogramming during student labs, preserving original test firmware. Compared with PIC16F877-based trainers, the PIC16LC66-04 trades Flash flexibility for a lower per-student cost in introductory courses.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LC66-04/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LC66-04I/SO | PIC16LC66-04/SP | PIC16LC63-04/SO | PIC16LC63A-04/SO | PIC16LC62A-04/SO | PIC16LC58B-04/SO |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC - same | 28-SPDIP - drop-in (same die, different mounting) | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Program Memory | 14 KB OTP | 14 KB OTP - same | 14 KB OTP - same | 7 KB OTP - 50% less | 7 KB OTP - 50% less | 3.5 KB OTP - 75% less | 3.2 KB OTP - 77% less |
| RAM Size | 368 B | 368 B - same | 368 B - same | 192 B - 48% less | 192 B - 48% less | 128 B - 65% less | 73 B - 80% less |
| Max Clock Frequency | 4 MHz | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same |
| Number of I/O Pins | 22 | 22 - same | 22 - same | 22 - same | 22 - same | 22 - same | 12 - 45% less |
| Operating Temperature | 0C to +70C (Commercial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) |
| Approx. Unit Price (qty 1) | US $3.80 | US $4.20 | US $4.10 | US $3.40 | US $3.30 | US $3.10 | US $2.90 |
اہم امتیازی خصوصیات
- Lowest-cost OTP MCU in the PIC16C family at 4MHz (بمقابلہPIC16LC63-04/SO)
- Commercial temperature grade at minimum cost (بمقابلہPIC16LC66-04I/SO)
- Surface-mount 28-SOIC for high-volume SMT lines (بمقابلہPIC16LC66-04/SP)
- Most I/O pins among 28-pin PIC16LC6x OTP variants (بمقابلہPIC16LC58B-04/SO)
ڈیزائن نوٹس
The PIC16LC66-04/SO uses OTP (One-Time Programmable) memory - once a bit is programmed from 1 to 0 it cannot be erased. A firmware bug therefore scrapes the entire device, so validate code on a PIC16F76 or PIC16F877 Flash sibling before committing to OTP. Always use Microchip's ICSP programming header (RB6/RB7/MCLR/VDD/VSS) for prototype programming and bench-test full-temperature operation before locking production firmware.
The PIC16LC66-04/SO operates from 2.5V to 6V on VDD (pin 20), with VSS (pin 19) as ground. Decouple VDD with a 100nF ceramic capacitor placed within 5mm of the VDD pin, and add a bulk 10uF tantalum or aluminum electrolytic at the PCB power-entry point. The on-chip brown-out reset and power-on reset eliminate the need for external reset supervisor ICs in most 5V designs.
Route the oscillator traces (OSC1/OSC2, pins 9/10) short and symmetric, with a ground guard ring on both sides if a crystal is used. Keep A/D analog traces (RA0-RA5) away from switching signals; place the A/D VREF capacitor at pin 5 with a 10nF ceramic to VSS. The 28-SOIC 7.50mm body width leaves ample room for trace routing on 2-layer PCBs.
At 4MHz clock, 5V supply, and full 22 I/O sourcing 25mA each, total power dissipation can reach approximately 550mW. Estimated: P_total = VDD x IDD_core + sum(I_IO x VDD). Use thermal vias under any exposed pad area and ensure ambient airflow keeps the SOIC junction below 100C. For high-current outputs (>20mA continuous), use external driver transistors to keep on-chip dissipation under 250mW.
تعمیل کی معلومات
RoHS-compliant per Microchip product documentation. Not AEC-Q100 qualified - not suitable for automotive safety-critical applications. Commercial temperature grade (0C to +70C). Halogen-free status not explicitly stated in retrieved web data - marked unknown per data authenticity rules.
