PIC16LC65B-04/P - 8-bit PIC MCU 7KB EPROM 4MHz | Microchip
부품 번호: PIC16LC65B-04/P ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.85 | $68.50 |
| 100 | $6.1 | $610.00 |
| 500 | $5.45 | $2,725.00 |
| 1,000 | $4.9 | $4,900.00 |
PIC16LC65B-04/P 개요
An 8-bit PIC microcontroller is a Harvard-architecture RISC processor optimized for embedded systems where deterministic instruction timing, low power consumption, and small code footprint are essential. The PIC16C/LC family uses a 14-bit instruction word and offers 35 single-word instructions, with all instructions executing in one instruction cycle except for program branches which take two cycles. This hierarchy places the PIC16LC65B within the broader categories of microcontroller -> embedded processor -> semiconductor IC.
Key features include 7KB EPROM program memory (one-time programmable), 192 bytes of data RAM, 33 digital I/O pins, hardware USART, parallel slave port, two analog comparators, watchdog timer with on-chip RC oscillator, and power-on reset circuitry. The device operates across a commercial temperature range of 0C to +70C and supports in-circuit serial programming (ICSP) via dedicated RB6/RB7 pins.
Architecture-wise, the PIC16LC65B uses an enhanced mid-range 14-bit core with separate program and data address spaces, enabling faster context switching and reduced interrupt latency. The EPROM program memory allows one-time field programming via standard EPROM programmers, while the LC variant's 3V-5.5V operating range makes it suitable for both 3.3V and 5V designs.
Typical applications include industrial control systems, motor control peripherals, sensor interface modules, automotive body electronics (non-safety), consumer appliance controllers, and legacy embedded system maintenance. The 40-pin PDIP package simplifies prototyping and breadboarding. When designing with this device, note that the EPROM windowed ceramic variant requires UV erasure for reprogramming, while the standard OTP plastic variant cannot be erased. Modern designs should consider the PIC16F877A flash equivalent for new development.
드롭인 대체품: PIC16LC65B-04/P — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16LC65B-04/P (동일 폼 팩터 및 풋프린트) — 차이점: Package, Mounting Type, Instruction Set, Program Memory Size, Program Memory Type.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16C65B-04/P
✅ 드롭인✓ 재고 있음
$6.72 / 개
데이터시트 보기 →PIC16F877A-I/P
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →PIC16F877-I/P
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F874A-I/P
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16F874-I/P
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16LC65B-04/P 최대 정격 & 전기적 특성
| Core | 8-bit PIC RISC (14-bit instruction word) |
| Program Memory Type | EPROM (One-Time Programmable) |
| Program Memory Size | 7 KB |
| Data RAM | 192 bytes |
| Clock Speed (Maximum) | 4 MHz (at 3V to 5.5V) |
| Supply Voltage Range | 3 V to 5.5 V |
| I/O Pins | 33 |
| Timers | 2x 8-bit + 1x 16-bit |
| Communication | USART (SCI) |
| Parallel Slave Port (PSP) | Yes (Port D) |
| Analog Comparators | 2 |
| Watchdog Timer | Yes (with on-chip RC oscillator) |
| In-Circuit Serial Programming (ICSP) | Yes |
| 패키지 | 40-pin PDIP (DIP-40) |
| 실장 유형 | Through-Hole |
| 동작 온도 범위 | 0C to +70C (Commercial) |
| Instruction Set | 35 single-word instructions |
PIC16LC65B-04/P 핀 구성
| 핀 1 | MCLR/VPP — Master Clear (Reset) input / Programming voltage input |
| 핀 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| 핀 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| 핀 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| 핀 5 | RA3/AN3/VREF — PORTA bit 3 / Analog input 3 / Voltage reference |
| 핀 6 | RA4/T0CKI — PORTA bit 4 (open-drain) / Timer 0 clock input |
| 핀 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI Slave Select |
| 핀 8 | RE0/RD/AN5 — PORTE bit 0 / PSP read control / Analog input 5 |
| 핀 9 | RE1/WR/AN6 — PORTE bit 1 / PSP write control / Analog input 6 |
| 핀 10 | RE2/CS/AN7 — PORTE bit 2 / PSP chip select / Analog input 7 |
| 핀 11 | VDD — Positive supply voltage (+3V to +5.5V) |
| 핀 12 | VSS — Ground reference |
| 핀 13 | OSC1/CLKIN — Oscillator crystal input / External clock input |
| 핀 14 | OSC2/CLKOUT — Oscillator crystal output / Clock output |
| 핀 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| 핀 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 output |
| 핀 17 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| 핀 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| 핀 19 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port bit 0 |
| 핀 20 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port bit 1 |
| 핀 21 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port bit 2 |
| 핀 22 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port bit 3 |
| 핀 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| 핀 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| 핀 25 | RC6/TX/CK — PORTC bit 6 / USART transmit / USART clock |
| 핀 26 | RC7/RX/DT — PORTC bit 7 / USART receive / USART data |
| 핀 27 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port bit 4 |
| 핀 28 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port bit 5 |
| 핀 29 | RD6/PSP6 — PORTD bit 6 / Parallel Slave Port bit 6 |
| 핀 30 | RD7/PSP7 — PORTD bit 7 / Parallel Slave Port bit 7 |
| 핀 31 | VSS — Ground reference |
| 핀 32 | VDD — Positive supply voltage (+3V to +5.5V) |
| 핀 33 | RB0/INT — PORTB bit 0 / External interrupt input |
| 핀 34 | RB1 — PORTB bit 1 |
| 핀 35 | RB2 — PORTB bit 2 |
| 핀 36 | RB3/PGM — PORTB bit 3 / Low-voltage programming enable |
| 핀 37 | RB4 — PORTB bit 4 |
| 핀 38 | RB5 — PORTB bit 5 |
| 핀 39 | RB6/PGC — PORTB bit 6 / ICSP clock input |
| 핀 40 | RB7/PGD — PORTB bit 7 / ICSP data input/output |
일반적인 애플리케이션
PIC16LC65B-04/P 적합 용도: 6 애플리케이션s: Industrial Control Systems, Motor Control Peripherals, Sensor Interface Modules, Consumer Appliance Controllers, Legacy Embedded System Maintenance, Hobbyist and Educational Prototyping.
Industrial Control Systems
The PIC16LC65B-04/P fits legacy industrial control applications requiring reliable 8-bit processing at 3V to 5.5V with 33 digital I/O for sensor interfacing and actuator driving. Its USART enables connection to industrial communication buses, while the Parallel Slave Port on PORTD allows direct interfacing with external controllers or memory-mapped peripherals. The 4MHz clock is sufficient for closed-loop control loops in motor speed regulation, valve positioning, and conveyor sequencing. Drop-in replacement for older designs still running production lines.
추천
Motor Control Peripherals
The PIC16LC65B-04/P's two 8-bit and one 16-bit timer/counter modules suit stepper motor and DC motor control applications where precise pulse-width modulation timing is required. The 33 I/O pins can drive H-bridge motor drivers directly via PWM outputs on PORTC, while the USART provides feedback communication to a master controller. The 3V-5.5V operating range accommodates both low-voltage battery motor systems and standard 5V industrial motor control boards. Legacy maintenance for existing PWM driver designs.
추천
Sensor Interface Modules
The PIC16LC65B-04/P serves sensor interface hubs requiring multiple digital inputs and moderate processing power. With 33 I/O lines, the device can read arrays of temperature, pressure, and flow sensors while driving indicator LEDs and relay outputs. The two analog comparators support threshold-based sensor detection without external components. Its 192-byte RAM accommodates small data buffers for sensor averaging algorithms, and the USART streams processed data to upstream data loggers or displays.
추천
Consumer Appliance Controllers
The PIC16LC65B-04/P integrates well into consumer appliance controllers such as washing machines, microwave ovens, and dishwasher control boards where 8-bit processing suffices for timing and I/O management. Its 33 I/O lines drive keypad scanning, LED/LCD displays, relay controls, and buzzer outputs. The 4MHz clock supports timing-critical operations like turntable rotation control, while the EPROM memory holds fixed appliance firmware in production units. The 0C to +70C commercial temperature range suits indoor appliance environments.
추천
Legacy Embedded System Maintenance
The PIC16LC65B-04/P is specifically targeted at maintaining legacy embedded systems originally designed around the PIC16C6X/LC65B family. Production facilities with installed equipment running OTP EPROM firmware can use this part for replacement boards and field service. Its pin-compatible 40-pin PDIP footprint allows direct board-level swap without PCB rework. For systems requiring firmware updates, the PIC16F877A-I/P offers a flash-based drop-in alternative, but for true legacy compatibility the LC65B remains the authentic original part.
추천
Hobbyist and Educational Prototyping
The PIC16LC65B-04/P in 40-pin PDIP package is well-suited to hobbyist prototyping and microcontroller education due to its breadboard-friendly through-hole form factor. Students can hand-solder the chip and access all 33 I/O lines plus the USART and PSP for interfacing experiments. The 7KB EPROM and 192B RAM teach fundamental embedded constraints like memory budgeting. Programming via ICSP on RB6/RB7 pins requires only a low-cost PIC programmer. Migration to PIC16F877A-I/P is straightforward for flash-reprogrammable lab work.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16LC65B-04/P — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16C65B-04/P | PIC16F877A-I/P | PIC16F877-I/P | PIC16F874A-I/P | PIC16F874-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP (DIP-40) | 40-pin PDIP (DIP-40) - same | 40-pin PDIP (DIP-40) - same | 40-pin PDIP (DIP-40) - same | 40-pin PDIP (DIP-40) - same | 40-pin PDIP (DIP-40) - same |
| Program Memory Type | EPROM | EPROM | Flash | Flash | Flash | Flash |
| Program Memory Size | 7 KB | 7 KB | 14 KB | 14 KB | 7 KB | 7 KB |
| Data RAM | 192 bytes | 192 bytes | 368 bytes | 368 bytes | 128 bytes | 128 bytes |
| Maximum Clock Speed | 4 MHz | 4 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage Range | 3 V to 5.5 V | 4.5 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V | 2 V to 5.5 V |
| I/O Pins | 33 | 33 | 33 | 33 | 33 | 33 |
| Reprogrammable | No (OTP EPROM) | No (OTP EPROM) | Yes (Flash, 100k cycles) | Yes (Flash, 100k cycles) | Yes (Flash, 100k cycles) | Yes (Flash, 100k cycles) |
주요 차별점
- Low-voltage 3V operation in original PIC16C6X family footprint (vs PIC16C65B-04/P)
- Authentic legacy EPROM compatibility for installed base maintenance (vs PIC16F877A-I/P)
- Exact same I/O count and peripheral set with proven toolchain support (vs PIC16F874A-I/P)
설계 노트
Do not confuse the PIC16LC65B-04/P with the PIC16C65B-04/P: the LC variant operates from 3V to 5.5V while the C variant requires 4.5V to 5.5V. Substituting the C variant in a 3.3V design will cause brown-out reset issues. The "-04" suffix denotes 4MHz maximum clock speed; the -20 variant is required for applications needing 20MHz operation. Both LC and C variants use EPROM which cannot be electrically erased - any code change requires a new chip.
Place a 0.1uF decoupling capacitor as close as possible to each VDD pin (pins 11 and 32) with a short trace to the adjacent VSS pin (pins 12 and 31). For designs using the LC variant's 3.3V operation, ensure the bulk supply has sufficient headroom and low ripple; the brown-out detector triggers below approximately 3V. Adding a 10uF tantalum bulk capacitor near the MCU improves transient response when driving multiple outputs simultaneously.
Route the MCLR/VPP pin (pin 1) directly to the reset circuit with a 10k pull-up resistor to VDD. For ICSP programming, ensure the RB6/PGC and RB7/PGD lines are accessible via a programming header and are not loaded with heavy capacitance (>50pF). The OSC1/OSC2 traces (pins 13/14) should be kept short and surrounded by ground plane when using a crystal; for high-frequency or noisy environments, consider a 4-pin resonator with built-in capacitors.
규정 준수 정보
Compliance information not explicitly stated in the verified web data. The PIC16LC65B-04/P is a mature legacy part introduced in the 1990s; lead-free and RoHS status should be verified with Microchip directly for current production. Not AEC-Q100 qualified - this is a commercial-grade part.
