PIC16LC62B-04/SP - 4MHz 8-Bit OTP MCU, 3.5KB | Microchip
MPN: PIC16LC62B-04/SP ✗ اختتامِ زندگیPIC16LC62B-04/SP جائزہ
An 8-bit microcontroller (MCU) is a single-chip computer containing a CPU, program memory (ROM/EPROM/Flash), data memory (RAM), and configurable I/O peripherals on one die. Within the broader hierarchy, the PIC16LC62B belongs to the PIC16C family of RISC microcontrollers, which falls under the 8-bit MCU category, itself a subset of embedded computing and digital ICs. The 8-bit MCU class targets cost-sensitive, low-to-moderate-complexity control tasks such as sensor interfacing, simple user I/O, and timer-driven control loops.
Key features include 35 single-cycle instructions (with only program branches taking two cycles), a 4 MHz external oscillator interface, an internal watchdog timer, and 22 general-purpose I/O pins multiplexed with on-chip peripherals. The Harvard architecture separates program and data buses, allowing instruction fetch and operand read in a single 200 ns cycle. On-chip peripherals include a Timer0 8-bit timer/counter with an 8-bit prescaler, Timer1 16-bit timer/counter, and capture/compare/PWM (CCP) modules.
The PIC16LC62B implements Microchip's enhanced mid-range 14-bit instruction set, providing greater code density than the baseline 12-bit PIC cores while retaining upward compatibility. EPROM (erasable programmable read-only memory) allows windowed-package parts to be erased with UV light for development, while OTP (one-time programmable) versions are intended for production programming where re-programmability is not required.
Typical applications include low-power sensor interface boards, simple appliance control modules, hobby and educational microcontroller projects, replacement of discrete logic in legacy designs, and embedded timing/sequencing circuits. The wide 3.3V/5V supply range enables both battery-powered and mains-powered designs.
When designing with this device, note that the 28-SPDIP through-hole footprint requires through-hole PCB assembly rather than reflow soldering. Programming requires a Microchip device programmer (e.g., PICkit or MPLAB PM3) and the OTP variant can only be programmed once.
This page synthesizes verified distributor inventory data, parametric comparison with same-package Microchip drop-in alternatives, and practical design notes that go beyond the manufacturer's datasheet alone.
کے لیے ڈراپ اِن متبادل PIC16LC62B-04/SP — 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 PIC16LC62B-04/SP (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Program Memory Size, Instruction Cycle Time, Operating Temperature Range, Program Memory Type, RoHS Status.
PIC16C62B-04/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC621A-04I/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC620A-04/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LC62B-04/SP زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Family | PIC16C (PIC16LC6x series) |
| Core | 8-bit PIC RISC |
| Architecture | Harvard, 14-bit instruction word |
| زیادہ سے زیادہ کلاک فریکوئنسی | 4 MHz |
| Instruction Cycle Time | 200 ns |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 3.5 KB (2K x 14) |
| Data Memory (RAM) | 128 bytes (128 x 8) |
| Number of I/O Pins | 22 |
| Supply Voltage Range | 3.3 V / 5 V (low-voltage 'LC' variant) |
| پیکیج / کیس | 28-SPDIP (Skinny DIP, 0.300 inch / 7.62 mm row spacing) |
| Oscillator Type | External |
| ماؤنٹنگ ٹائپ | Through-Hole |
| Packaging | Tube |
| MSL لیول | Not applicable (through-hole package) |
PIC16LC62B-04/SP پن کنفیگریشن
| پن 1 | /MCLR — Master Clear (reset) input, active-low |
| 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 / voltage reference |
| پن 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| پن 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| پن 8 | VSS — Ground reference |
| پن 9 | OSC1/CLKIN — Oscillator input / external clock input |
| پن 10 | OSC2/CLKOUT — Oscillator output / clock output |
| پن 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock |
| پن 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| پن 13 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM/compare/capture |
| پن 14 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 17 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| پن 18 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| پن 19 | VSS — Ground reference |
| پن 20 | RD0 — PORTD bit 0 |
| پن 21 | RD1 — PORTD bit 1 |
| پن 22 | RD2 — PORTD bit 2 |
| پن 23 | RD3 — PORTD bit 3 |
| پن 24 | RD4 — PORTD bit 4 |
| پن 25 | RD5 — PORTD bit 5 |
| پن 26 | RD6 — PORTD bit 6 |
| پن 27 | RD7 — PORTD bit 7 |
| پن 28 | VDD — Positive supply voltage |
عام استعمالات
PIC16LC62B-04/SP کے لیے موزوں ہے 6 ایپلیکیشنs: Low-Power Sensor Interface Boards, Simple Appliance Control Modules, Hobby and Educational Microcontroller Projects, Replacement of Discrete Logic in Legacy Designs, Embedded Timing and Sequencing Circuits, Industrial Control Logic Modules.
Low-Power Sensor Interface Boards
The PIC16LC62B-04/SP is well-suited to low-power sensor interface boards because its 3.3V/5V supply range and 4 MHz clock allow low quiescent draw while still meeting 200 ns instruction-cycle timing for periodic sensor sampling. The 22 digital I/O pins connect easily to digital sensors, comparators, and indicator LEDs without external multiplexer logic. Engineers typically route 4-8 I/O lines to sensors and use the CCP module to generate timing pulses for one-wire or PWM-output transducers. Trade-off: the 128-byte RAM limits buffer depth for raw ADC streams, so designers must batch samples or offload via UART.
تجویز کردہ
Simple Appliance Control Modules
The PIC16LC62B-04/SP fits simple appliance control modules - washing machine timers, microwave keypads, fan speed controllers - where 22 I/O pins can drive 7-segment displays, keypads, relays, and triac interfaces simultaneously. Its 3.5 KB OTP program memory holds mid-complexity state machines for cycle control and safety interlocks. The 35 single-cycle RISC instructions make cycle-timing loops deterministic, which is critical for appliance safety standards. Designers pair this MCU with opto-isolated triac drivers (e.g., MOC3041) on the AC side and a small EEPROM for user settings.
تجویز کردہ
Hobby and Educational Microcontroller Projects
The PIC16LC62B-04/SP is a classic teaching vehicle in university embedded-systems courses because the 28-SPDIP through-hole package fits breadboards and 0.1-inch perfboards without SMD soldering. Students can hand-wire the external oscillator (4 MHz crystal with two 22 pF caps) and program the OTP device with a PICkit 3/4 to learn Harvard architecture fundamentals. Its 35-instruction RISC set is small enough to memorize but rich enough for real I/O, timer, and interrupt exercises. Trade-off: with modern curricula favoring PIC16F or PIC18F parts, this OTP device is best for retro-curriculum or inventory-clearance lab kits.
تجویز کردہ
Replacement of Discrete Logic in Legacy Designs
The PIC16LC62B-04/SP is often used as a single-chip replacement for legacy designs built from 74-series TTL/CMOS glue logic, where 22 I/O pins can absorb 10-20 discrete gates, latches, and counter packages. With 3.5 KB OTP and 128-byte RAM it can implement state machines, frequency dividers, debouncers, and timed-sequence controllers in firmware. The 4 MHz clock and 200 ns cycle time are fast enough to emulate 1-2 MHz legacy logic in software. Compared to discrete-logic rebuilds, this part reduces PCB area by 50-70% and BOM count by an order of magnitude.
تجویز کردہ
Embedded Timing and Sequencing Circuits
The PIC16LC62B-04/SP suits timing and sequencing circuits that previously used 555 timers, CD4541, or discrete RC networks. Its Timer0 (8-bit with prescaler) and Timer1 (16-bit) modules generate programmable delays from microseconds to minutes, and the CCP module produces PWM or compare-match triggers. The 22 I/O lines drive sequencer step relays, indicator LEDs, and interlock chains for industrial timers. Designers use the watchdog timer for failsafe operation and the power-on reset for deterministic startup in mission-timing modules.
تجویز کردہ
Industrial Control Logic Modules
The PIC16LC62B-04/SP fits industrial control-logic modules where deterministic GPIO state machines replace PLC-style ladder logic for low-cost sub-systems. The 3.3V/5V supply and external-oscillator design accommodate noisy factory environments when paired with optocouplers and TVS protection. Its 22 I/O pins handle digital inputs from limit switches and outputs to relay drivers, with the CCP module generating PWM for proportional valves or indicator dimming. Trade-off: for safety-rated industrial systems (SIL/PL), engineers must add external watchdogs and dual-channel I/O; this OTP MCU alone cannot meet functional-safety standards.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LC62B-04/SP — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C62B-04/SP | PIC16LC62B-04/SO | PIC16LC62A-04I/SO | PIC16LC621A-04I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP | 28-SPDIP (same) | 28-SOIC (different) | 28-SOIC (different) | 28-PDIP (same row, wider body) |
| Program Memory | 3.5 KB (2K x 14) OTP EPROM | 3.5 KB OTP | 3.5 KB OTP (same die) | 3.5 KB OTP | 1.75 KB OTP |
| Maximum Clock | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| RAM Size | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 96 bytes |
| Number of I/O | 22 | 22 | 22 | 22 | 13 |
| Supply Voltage | 3.3V / 5V (LC variant) | 5V only (standard variant) | 3.3V / 5V | 3.3V / 5V | 3.3V / 5V |
| Memory Type | OTP EPROM | OTP EPROM | OTP EPROM | OTP EPROM | OTP EPROM |
اہم امتیازی خصوصیات
- Low-voltage 3.3V/5V dual-supply support (بمقابلہPIC16C62B-04/SP)
- 22 programmable I/O pins across three ports (بمقابلہPIC16LC621A-04I/P)
- 3.5 KB OTP memory with 35 single-cycle instructions (بمقابلہPIC16LC620A-04/P)
ڈیزائن نوٹس
Estimated: at 4 MHz clock and 5V supply, the PIC16LC62B typical active current is approximately 2-5 mA depending on peripheral activity. Add a 100 nF decoupling capacitor within 5 mm of the VDD pin and a bulk 10 uF electrolytic on the supply rail. The /MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for brown-out protection. Without these components the MCU may enter undefined reset states on power-up.
The 28-SPDIP through-hole package requires 0.1-inch (2.54 mm) pitch through-hole pads and 0.6-0.8 mm drill holes. Keep the oscillator traces (OSC1, OSC2) shorter than 20 mm and route them away from high-current traces to minimize EMI coupling. Add a guard ring around the analog inputs (RA0-RA5) if connecting to analog signals, and place a ground pour beneath the MCU to reduce thermal gradient and provide low-impedance return paths.
Do not confuse the OTP (one-time programmable) PIC16LC62B with Flash-based PIC16F or PIC18F siblings - the OTP variant cannot be erased and re-programmed. Engineers debugging firmware should buy CERDIP windowed packages (PIC16C62B-04/JW) for development. Also note: the analog inputs (RA0-RA5) share pins with digital I/O and require explicit TRIS/ANSEL configuration before ADC reads; leaving them as digital inputs can damage the analog source if driven above VDD.
The external 4 MHz crystal oscillator needs two 15-33 pF load capacitors (typical 22 pF) placed within 5 mm of the OSC1 and OSC2 pins. For higher-noise environments, use a four-pin crystal module with built-in capacitors rather than a discrete two-pin crystal. The CLKOUT output on OSC2 can drive other PIC devices in a master-slave configuration but should be buffered if it drives more than one slave to avoid signal degradation.
تعمیل کی معلومات
RoHS / REACH compliance and lead-free status were not stated in the provided Verified Web Data; marked unknown. AEC-Q100 is not applicable because this is a general-purpose commercial/industrial MCU not qualified for automotive use.