PIC16LC65A-04/P - 8-Bit 4MHz 7KB OTP MCU | Microchip | DIP-40
MPN: PIC16LC65A-04/P ✓ فعالPIC16LC65A-04/P جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC16C/LC family belongs to the broader 8-bit microcontroller category, which sits under the embedded computing -> semiconductor device hierarchy. LC variants are designed for low-voltage operation (down to ~2.5-3.0V), making them suitable for battery-powered designs where 'LC' stands for Low-power CMOS.
Key features include 33 digital I/O lines, an 8-channel 8-bit ADC, two 8-bit timers and one 16-bit timer, a USART for serial communication, a Capture/Compare/PWM (CCP) module, and a watchdog timer with its own on-chip RC oscillator for maximum reliability. The architecture is fully static, uses a Harvard design with separate program and data buses, and offers 35 single-word instructions where all instructions execute in a single cycle except program branches (two cycles).
The 4 MHz speed grade (the '-04' suffix) corresponds to a 4 MHz oscillator input with a 1 microsecond instruction cycle, balancing throughput and power consumption. The 40-pin PDIP form factor is the classic through-hole industrial/Educational/Maker-friendly footprint, ideal for breadboards, IC sockets, legacy upgrades, and test fixtures where mechanical robustness matters more than board area.
Typical applications include industrial control front-ends, appliance controllers, instrumentation subsystems, low-power sensor nodes, and educational development boards. The OTP memory suits volume production where the firmware is fixed and field-reprogramming is not required; for flash-based flexibility, the PIC16F-series is the typical upgrade path.
When designing with this MCU, account for the OTP memory limitation by using a UV-erasable windowed (JW) variant for prototype development, then migrating to the OTP 'P' package for production. Ensure your in-circuit emulator or programmer (e.g., PICSTART Plus, MPLAB PM3) supports the LC low-voltage range before committing to a hardware platform.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC16LC65A-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 PIC16LC65A-04/P (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Timers, Program Memory Type, Instruction Set, Core.
PIC16LC65B-04/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC65A-04I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F74-I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C711-04/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F630-I/P
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC65A-04/P زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | 8-bit PIC RISC |
| Program Memory Size | 7 KB (4K x 14) OTP |
| RAM Size | 192 bytes |
| Maximum CPU Speed | 4 MHz (1 us instruction cycle) |
| Supply Voltage (Vdd) | 3.0 V to 5.5 V |
| I/O Pins | 33 |
| ADC | 8 channels, 8-bit |
| Timers | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | USART (SCI), SSP/SPI/I2C |
| CCP/PWM Modules | 1 |
| Watchdog Timer | Yes (with dedicated on-chip RC oscillator) |
| Instruction Set | 35 single-word instructions, all single-cycle except branches (2-cycle) |
| Program Memory Type | OTP (One-Time-Programmable) |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (industrial) |
| پیکیج | 40-pin PDIP (DIP-40, 0.600 in / 15.24 mm) |
| ماؤنٹنگ ٹائپ | Through-Hole |
| پن کی تعداد | 40 |
PIC16LC65A-04/P پن کنفیگریشن
| پن 1 | MCLR/VPP — Master clear reset (active low) / programming voltage input |
| پن 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| پن 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| پن 4 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| پن 5 | RA3/AN3/VREF — PORTA bit 3 / analog input 3 / ADC reference |
| پن 6 | RA4/T0CKI — PORTA bit 4 / Timer 0 clock input |
| پن 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| پن 8 | RE0/RD/AN5 — PORTE bit 0 / read control / analog input 5 |
| پن 9 | RE1/WR/AN6 — PORTE bit 1 / write control / analog input 6 |
| پن 10 | RE2/CS/AN7 — PORTE bit 2 / chip select / analog input 7 |
| پن 11 | VDD — Positive supply (3.0-5.5 V) |
| پن 12 | VSS — Ground reference |
| پن 13 | OSC1/CLKIN — Oscillator input / external clock input |
| پن 14 | OSC2/CLKOUT — Oscillator output / clock out |
| پن 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| پن 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 output |
| پن 17 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| پن 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 19 | RD0/PSP0 — PORTD bit 0 / parallel slave port bit 0 |
| پن 20 | RD1/PSP1 — PORTD bit 1 / parallel slave port bit 1 |
| پن 21 | RD2/PSP2 — PORTD bit 2 / parallel slave port bit 2 |
| پن 22 | RD3/PSP3 — PORTD bit 3 / parallel slave port bit 3 |
| پن 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 25 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| پن 26 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| پن 27 | RD4/PSP4 — PORTD bit 4 / parallel slave port bit 4 |
| پن 28 | RD5/PSP5 — PORTD bit 5 / parallel slave port bit 5 |
| پن 29 | RD6/PSP6 — PORTD bit 6 / parallel slave port bit 6 |
| پن 30 | RD7/PSP7 — PORTD bit 7 / parallel slave port bit 7 |
| پن 31 | VSS — Ground reference |
| پن 32 | VDD — Positive supply (3.0-5.5 V) |
| پن 33 | RB0/INT — PORTB bit 0 / external interrupt |
| پن 34 | RB1 — PORTB bit 1 |
| پن 35 | RB2 — PORTB bit 2 |
| پن 36 | RB3/PGM — PORTB bit 3 / LVP programming |
| پن 37 | RB4 — PORTB bit 4 |
| پن 38 | RB5 — PORTB bit 5 |
| پن 39 | RB6/PGC — PORTB bit 6 / ICD clock |
| پن 40 | RB7/PGD — PORTB bit 7 / ICD data |
عام استعمالات
PIC16LC65A-04/P کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Control Front-End, Appliance Control Board, Educational Development Board, Instrumentation Subsystem, Low-Power Sensor Node, Legacy Replacement / Service Stock.
Industrial Control Front-End
The PIC16LC65A-04/P suits industrial control front-ends where 33 digital I/O, an 8-channel 8-bit ADC, and one USART deliver enough analog and digital channels for sensor aggregation and actuator drive at 3.3 V or 5 V. Its 4 MHz core and 7 KB OTP program memory cover typical PID loops, multi-channel sensor scans, and Modbus-style polling without external logic. The 40-pin PDIP package also simplifies in-field replacement and socket-based servicing on legacy industrial lines. Pair with the PIC16F74-I/P Flash variant for new designs where firmware iteration matters more than unit cost.
تجویز کردہ
Appliance Control Board
In appliance controllers (white goods, kitchen equipment, HVAC dampers), the PIC16LC65A-04/P provides the digital I/O count to drive relays, triacs, and LED indicators while reading thermistors or pressure sensors through its 8-channel ADC. The 1 us instruction cycle at 4 MHz is sufficient for slow control loops, while the LC low-voltage range supports battery-backed or energy-saving subcircuits. The 40-pin PDIP form factor eases manufacturing with through-hole assembly and traditional wave-solder processes. Its watchdog timer with dedicated RC oscillator improves reliability in unattended appliance installations.
تجویز کردہ
Educational Development Board
The PIC16LC65A-04/P is a classic PIC16 mid-range teaching platform because the 40-pin PDIP format fits breadboards and educational trainer sockets directly. Students can exercise the ADC, USART, timers, and CCP PWM module on a single chip at 4 MHz without surface-mount rework. The OTP memory forces disciplined firmware planning, mirroring real production constraints. The instruction set of only 35 single-word instructions is small enough to be mastered in a semester course, and the PICSTART Plus / MPLAB PM3 toolchain supports LC-voltage programming out of the box.
تجویز کردہ
Instrumentation Subsystem
For instrumentation subassemblies (data loggers, panel meters, low-speed signal conditioners), the PIC16LC65A-04/P offers an 8-channel 8-bit ADC plus USART for sending digitized values to a host controller or display. Its 192-byte RAM and 4 MHz throughput are well-matched to slow multiplexed scans of thermocouples, strain gauges, or potentiometers. The 40-pin PDIP package and 3.0-5.5 V supply make it compatible with both legacy 5 V analog front-ends and modern 3.3 V signal chains, while OTP memory prevents accidental firmware tampering in field-deployed instruments.
تجویز کردہ
Low-Power Sensor Node
Battery-powered or energy-harvesting sensor nodes benefit from the PIC16LC65A-04/P 's LC low-voltage operation down to 3.0 V, which lets a single lithium cell or two AA batteries power the entire node. The 8-bit ADC plus digital I/O read temperature, humidity, or PIR sensors, and the USART forwards the data to a radio module such as an XBee or LoRa transceiver. SLEEP mode plus the watchdog timer achieves quiescent currents in the microamp range between measurements. The DIP-40 package simplifies hand-soldered prototyping of remote environmental monitors.
تجویز کردہ
Legacy Replacement / Service Stock
Many industrial installations built in the late 1990s and early 2000s use PIC16LC65A-04/P on through-hole control boards that have since gone obsolete or require long-term spares. The 40-pin PDIP remains the de facto industrial service stock footprint because it accepts IC sockets, allowing fast board swap without rework. Stocking PIC16LC65A-04/P ensures 15-20 year service continuity for legacy equipment; the LC65B revision and PIC16F74-I/P provide pin-compatible alternatives when the OTP 'A' revision reaches end-of-life.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LC65A-04/P — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16LC65B-04/P | PIC16LC65A-04I/P | PIC16F74-I/P |
|---|---|---|---|---|
| Package | PDIP-40 | PDIP-40 - same | PDIP-40 - same | PDIP-40 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 7 KB (4K x 14) OTP | 7 KB OTP | 7 KB OTP | 7 KB Flash |
| Maximum Frequency | 4 MHz | 4 MHz | 4 MHz | 20 MHz |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 2.0 V to 5.5 V |
| I/O Pins | 33 | 33 | 33 | 33 |
| ADC | 8 ch x 8-bit | 8 ch x 8-bit | 8 ch x 8-bit | 8 ch x 8-bit |
| Memory Type | OTP | OTP | OTP | Flash (reprogrammable) |
| Operating Temperature | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) |
اہم امتیازی خصوصیات
- Pin-for-pin drop-in with PIC16F74-I/P, but with OTP memory (بمقابلہPIC16F74-I/P)
- Silicon revision B available for new designs (بمقابلہPIC16LC65B-04/P)
- Industrial temperature range variant offered (بمقابلہPIC16LC65A-04I/P)
ڈیزائن نوٹس
Estimated: Vdd supply design must provide 3.0-5.5 V with bulk decoupling of at least 1 x 100 nF ceramic close to pins 11/12 and 31/32 (both Vdd/Vss pairs). Add a 10 uF tantalum or aluminum bulk capacitor near the MCU for switching transients. For battery applications, total current draw in SLEEP is typically 1-5 uA with the watchdog disabled.
Place the 4 MHz crystal or resonator within 1 cm of OSC1/OSC2 (pins 13-14), with the load capacitors (typically 15-33 pF) tied to ground. Keep high-speed traces (USART, SPI) away from the oscillator area to prevent injection of jitter. Route MCLR (pin 1) with a 10 kohm pull-up and a 100 nF decoupling cap directly to the reset line to avoid spurious resets on noisy industrial busses.
Do not use the OTP (non-windowed) part for prototype development - once programmed, the device cannot be erased. Use the JW (windowed) variant or migrate to the Flash-based PIC16F74-I/P for development. Be aware that the '-04' speed grade is limited to 4 MHz; verify timing budgets before assuming the silicon can reach 10 or 20 MHz like the higher grades. Finally, on the LC family, do not drop Vdd below 3.0 V or brown-out resets will trigger randomly.
Analog inputs (RA0-RA5, RE0-RE2) should be guarded from digital switching traces by a ground pour on the analog side of the board. AVdd (when used as the ADC reference) must be tied to Vdd with its own 10 uH ferrite + 100 nF cap to reduce digital switching noise coupling into ADC samples. PORTB pull-ups (RBPU bit) should be enabled for switch inputs to avoid floating pins when the board is unpowered.
تعمیل کی معلومات
RoHS and lead-free status not explicitly stated in the verified web data; Microchip PIC16 OTP parts are typically lead-free but confirmation requires manufacturer datasheet section 'Physical Dimensions' or product page. AEC-Q100 not applicable for this commercial-grade industrial MCU.
