PIC16LC62BT-04/SO - 4MHz 8-Bit OTP MCU 3.5KB | Microchip
Артикул: PIC16LC62BT-04/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.82 | $1,82 |
| 10 | $1.65 | $16,50 |
| 100 | $1.42 | $142,00 |
| 500 | $1.18 | $590,00 |
| 1.000 | $0.95 | $950,00 |
| 3.000 | $0.78 | $2.340,00 |
PIC16LC62BT-04/SO Обзор
Background: An 8-bit microcontroller (MCU) is a self-contained computing device that integrates a CPU, non-volatile program memory, RAM, and peripheral interfaces on a single die. The PIC16C family uses a Harvard RISC architecture with separate program/data buses and a 14-bit instruction word; OTP (One-Time-Programmable) variants target low-volume and prototyping applications where mask-ROM volumes do not justify mask tooling. Within the broader taxonomy, the PIC16LC62BT belongs to the 16C/16LC mid-range MCU -> 8-bit MCU -> microcontroller -> semiconductor system hierarchy.
Key features include 4 MHz maximum clock input rate (the -04 speed suffix), 22 I/O pins, an internal watchdog timer, on-chip power-on reset, and low-power operation modes. The 28-pin SOIC package is a wide-body surface-mount form factor that supports hand-soldering and standard reflow profiles, while the LC suffix denotes the low-voltage 3.0-5.5 V variant of the PIC16C62B die.
The architecture uses a 14-bit instruction word with 8-bit data path, two file-select registers for banked RAM access, and a hardware multiplier-free ALU. EPROM-based program memory is windowed for prototype erasure, and the device supports in-circuit debugging via the standard PIC ICD interface. Power-saving modes include Sleep with multiple wake-up sources.
Typical applications include appliance control, sensor signal pre-processing, low-cost consumer electronics, industrial control front-ends, and battery-powered instrumentation. The 22 I/O count supports keypad scanning, LED drive, and serial communication simultaneously. Designers choose this OTP variant for prototype-to-low-volume migration paths from PIC16C62A flash parts.
When designing with this device, note that the OTP memory is not erasable in SOIC; choose a windowed CERDIP package for prototype iteration or PIC16F62x flash parts for production. Decoupling requires 100 nF ceramic plus 10 µF bulk capacitors within 1 cm of VDD, and unused I/O pins must be configured as outputs low to minimize current draw.
This page synthesizes distributor pricing, drop-in compatible alternatives from Microchip's PIC16C/LC6x family, and practical design notes not aggregated elsewhere.
Аналоги без доработки для PIC16LC62BT-04/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC16LC62BT-04/SO (тот же форм-фактор и посадочное место) — отличается по Program Memory Size, Core Architecture, Program Memory Type, Operating Temperature Range, Package.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC16LC62B-04I/SO
✅ Прямая замена✓ В наличии
$3.2 / шт.
Открыть даташит →PIC16LC62AT-04I/SO
✅ Прямая замена✓ В наличии
$2.05 / шт.
Открыть даташит →PIC16LC622T-04E/SS
✅ Прямая замена✓ В наличии
$2.6 / шт.
Открыть даташит →PIC16LC622A-04I/SS
✅ Прямая замена✓ В наличии
$1.56 / шт.
Открыть даташит →PIC16LC620A-04/SO
✅ Прямая замена✓ В наличии
$2.15 / шт.
Открыть даташит →PIC16LC56A-04/SO
✅ Прямая замена✓ В наличии
$0.78 / шт.
Открыть даташит →PIC16LC62BT-04/SO Максимальные параметры и электрические характеристики
| Core Architecture | PIC16C 8-bit RISC (Harvard) |
| Максимальная тактовая частота | 4 MHz |
| Program Memory Type | EPROM (OTP, windowed on JW package) |
| Program Memory Size | 3.5 KB (2K x 14 instructions) |
| Data RAM | 128 bytes |
| Data EEPROM | Not present on /128 PIC16C62B |
| I/O Pins | 22 |
| Supply Voltage (VDD) | 3.0 V to 5.5 V |
| Диапазон рабочих температур | -40C to +85C (industrial, T suffix tape & reel) |
| Корпус | 28-pin SOIC (SO) - wide-body 300 mil |
| Тип монтажа | Surface Mount |
| Уровень MSL | 1 (unlimited floor life at <30C/85% RH) |
| Watchdog Timer | Yes, on-chip |
| A/D Converter | Not present on PIC16LC62B (no ADC) |
| Serial Interfaces | AUSART (Addressable USART) |
| In-Circuit Debug | ICD via RB6/RB7 (PIC16C6x standard) |
| Instruction Set Size | 35 single-word instructions |
| Interrupt Sources | Multiple, vectored |
Конфигурация выводов PIC16LC62BT-04/SO
| Контакт 1 | RA2/AN2 — Port A bit 2 / analog input (not used on this part - digital I/O only) |
| Контакт 2 | RA3/AN3 — Port A bit 3 / digital I/O |
| Контакт 3 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Контакт 4 | RA5/SS/AN4 — Port A bit 5 / SPI slave select / digital I/O |
| Контакт 5 | VDD — Positive supply voltage (3.0-5.5 V) |
| Контакт 6 | RB0/INT — Port B bit 0 / external interrupt |
| Контакт 7 | RB1 — Port B bit 1 / digital I/O |
| Контакт 8 | RB2 — Port B bit 2 / digital I/O |
| Контакт 9 | RB3 — Port B bit 3 / digital I/O |
| Контакт 10 | RB4 — Port B bit 4 / digital I/O |
| Контакт 11 | RB5 — Port B bit 5 / digital I/O |
| Контакт 12 | RB6/PGC — Port B bit 6 / ICSP clock (ICD clock) |
| Контакт 13 | RB7/PGD — Port B bit 7 / ICSP data (ICD data) |
| Контакт 14 | VSS — Ground reference |
| Контакт 15 | RC0 — Port C bit 0 / digital I/O or Timer1 oscillator |
| Контакт 16 | RC1 — Port C bit 1 / digital I/O or Timer1 oscillator |
| Контакт 17 | RC2 — Port C bit 2 / digital I/O or PWM output |
| Контакт 18 | RC3 — Port C bit 3 / digital I/O or SPI clock |
| Контакт 19 | RC4 — Port C bit 4 / digital I/O or SPI data |
| Контакт 20 | RC5 — Port C bit 5 / digital I/O or SPI data |
| Контакт 21 | RC6 — Port C bit 6 / digital I/O or AUSART TX |
| Контакт 22 | RC7 — Port C bit 7 / digital I/O or AUSART RX |
| Контакт 23 | VSS — Ground reference (second VSS pin) |
| Контакт 24 | VDD — Positive supply (second VDD pin) |
| Контакт 25 | OSC2/CLKOUT — Oscillator output / clock output FOSC/4 |
| Контакт 26 | OSC1/CLKIN — Oscillator input / external clock in |
| Контакт 27 | RA0/AN0 — Port A bit 0 / digital I/O |
| Контакт 28 | RA1/AN1 — Port A bit 1 / digital I/O |
Типичное применение
PIC16LC62BT-04/SO подходит для 6 применениеs: Industrial Sensor Front-End, Appliance Control Board, Battery-Powered Instrumentation, HVAC Thermostat Board, Automotive Accessory Control, Consumer Remote Control.
Industrial Sensor Front-End
The PIC16LC62BT-04/SO suits industrial sensor signal-conditioning front-ends with 22 I/O pins for parallel sensor arrays. Its 3.0-5.5 V VDD accepts 3.3 V and 5 V transducer outputs without level shifting, while the 4 MHz clock provides 1 us instruction cycle - sufficient for 10 kHz sampling loops on slow sensors like thermistors, strain gauges, and optointerrupters. The 3.5KB OTP program memory holds lookup-table-based linearization routines for non-linear sensors, and 128 bytes RAM buffers calibration constants. Without ADC, pair with external 12-bit SARs like MCP3201 over SPI. The 28-SOIC handles -40 to +85C industrial ambient via the /04I variant.
Рекомендуется
Appliance Control Board
The PIC16LC62BT-04/SO is well-matched to white-goods control boards including washing machines, dishwashers, and microwave ovens where 22 I/O drive relays, keypads, and 7-segment displays. The 3.5KB program holds state-machine code for cycle sequencing while 128 bytes RAM manages mode flags and timing variables. The OTP memory locks firmware to prevent field tampering. Operating from 3.0-5.5 V, the LC variant runs directly from rectified 5 V supplies without LDO regulation. The 4 MHz clock keeps EMI below conducted-noise limits for household appliances. Tape-and-reel packaging supports high-volume SMT assembly lines.
Рекомендуется
Battery-Powered Instrumentation
For battery-powered test instruments and portable data loggers, the PIC16LC62BT-04/SO's 3.0 V minimum VDD enables direct 2xAA/2xAAA battery operation down to depletion, maximizing runtime. The 4 MHz clock at 3.3 V draws under 2 mA active; Sleep mode drops to microamp range for wake-on-timer logging applications. With 3.5KB program space, the part supports FAT-style file structures for SD card data storage over SPI. The 22 I/O count handles 4x4 keypads plus LCD interfaces plus serial output. Industrial-temperature /04I suffix versions operate across -40 to +85C for outdoor instrumentation deployments.
Рекомендуется
HVAC Thermostat Board
Building HVAC thermostats leverage the PIC16LC62BT-04/SO for setpoint control, schedule management, and relay switching. The 22 I/O drive 7-segment displays, pushbuttons, temperature sensors, and HVAC contactors. OTP memory locks the calibration and prevents unauthorized firmware swaps that could bypass safety limits. The 3.0-5.5 V range allows direct 24 VAC rectified operation with minimal regulation. With 3.5KB code space, the part supports PID loops for temperature regulation and weekly programming logic. The wide-body SOIC withstands conformal coating and harsh thermal cycling in plenum-mounted enclosures.
Рекомендуется
Automotive Accessory Control
For non-safety automotive accessories (interior lighting, seat controllers, mirror adjusters), the PIC16LC62BT-04/SO provides adequate processing with 22 I/O driving MOSFET gates and reading Hall-effect position sensors. The 3.5KB program space holds CAN-capable firmware for vehicle network integration or LIN slave protocols. Note this OTP variant is NOT AEC-Q100 qualified; choose PIC16LC62B-04I/SO with extended industrial temperature or migrate to AEC-Q100 parts like PIC16F1939 for under-hood applications. The 28-SOIC package withstands automotive vibration environments with proper PCB staking.
Рекомендуется
Consumer Remote Control
The PIC16LC62BT-04/SO handles consumer IR/RF remote control encoder tasks with 22 I/O for keypad scanning, LED indicators, and IR LED drive. The 3.5KB program space stores multiple protocol stacks (NEC, RC5, RC6, Sony SIRC) and the 4 MHz clock generates precise carrier frequencies. With OTP memory the manufacturer locks the protocol library to prevent clone duplication. The 3.0-5.5 V operation accepts 3 V coin cells directly. Low Sleep current extends battery life to multi-year timeframes. Tape-and-reel packaging enables automated assembly of high-volume remote production.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC16LC62BT-04/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC16LC62B-04I/SO | PIC16LC62AT-04I/SO | PIC16LC622T-04E/SS | PIC16LC620A-04/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (SO) wide-body 300 mil | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SSOP (SS) - narrower body | 28-SOIC (SO) - same |
| Program Memory | 3.5 KB (2K x 14) OTP | 3.5 KB (2K x 14) OTP - same | 1.75 KB (1K x 14) OTP | 3.5 KB (2K x 14) OTP - same | 1 KB OTP |
| Maximum Clock | 4 MHz | 4 MHz - same | 4 MHz - same | 4 MHz - same | 4 MHz - same |
| Operating Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V - same | 3.0 V to 5.5 V - same | 3.0 V to 5.5 V - same | 3.0 V to 5.5 V - same |
| I/O Pins | 22 | 22 - same | 22 - same | 22 - same | 13 |
| Temperature Range | 0 to +70C (commercial, /04) | -40 to +85C (industrial, /04I) | -40 to +85C (industrial, /04I) | -40 to +125C (extended, /04E) | 0 to +70C (commercial) |
Ключевые отличия
- Lower-voltage LC operation vs standard PIC16C62B (против PIC16C62B (non-LC))
- Larger program memory than earlier PIC16LC62A (против PIC16LC62A-04/SO)
- Tape-and-reel suffix for SMT assembly (против PIC16LC62B-04I/SO (tube-packed))
- Industry-standard 8-bit RISC architecture with 35 instructions (против PIC16C5x baseline)
Заметки по проектированию
The PIC16LC62BT-04/SO requires a 100 nF ceramic decoupling capacitor placed within 1 cm of the VDD pin, plus a 10 uF bulk capacitor near the supply entry. Place both VDD pins (5 and 24) and both VSS pins (14 and 23) on low-impedance traces. The LC variant operates from 3.0-5.5 V; below 3.0 V the brown-out detector (configurable threshold) may reset the MCU unexpectedly. Estimate: total supply current at 4 MHz and 5 V is approximately 2 mA active and <5 uA in Sleep, so a small MCP1700 LDO is sufficient for regulation from higher-voltage rails.
Layout the 28-SOIC land pattern per JEDEC MS-013 with 0.05 inch (1.27 mm) pitch and 300 mil body width. Keep traces short on RA and RC ports to reduce EMI; group I/O by function (keypad on PORTB, displays on PORTC) to simplify firmware. Place the 4 MHz crystal or resonator within 5 mm of OSC1/OSC2 pins with a grounded guard ring. Add a 1 M ohm parallel resistor across the crystal to bias the internal inverter into its linear region. For tape-and-reel assembly, ensure no components within 5 mm of the SOIC body to avoid tombstoning during reflow.
Common pitfalls include: (1) choosing the OTP variant when flash reprogrammability is needed - once programmed, OTP cannot be erased in SOIC; only windowed CERDIP allows UV erasure. (2) Confusing PIC16C62B (4.0-6.0 V) with PIC16LC62B (3.0-5.5 V) - the LC prefix denotes the low-voltage variant. (3) Driving the ICSP pins RB6/RB7 with external circuitry during programming - isolate with jumpers or current-limiting resistors. (4) Expecting 35 instructions to handle complex C-style code - PIC assembly is verbose; budget 2x the LOC of equivalent 8051 code. (5) Failing to configure unused I/O as outputs low, causing excessive Sleep current from floating inputs.
For reliable 4 MHz operation, route OSC1/OSC2 traces as a differential pair with the crystal resonator placed symmetrically. Keep digital signal traces away from these pins by at least 3 mm to prevent capacitive coupling that can shift the oscillator frequency. The ICSP connector (typically a 5-pin header for RB6/RB7/VDD/VSS/MCLR/VPP) should be accessible without removing the board, or include test pads if space is constrained. The MCLR pin (typically shared with RA5 or a dedicated pin on some variants) requires a 10 k ohm pull-up to VDD and a 100 nF cap to ground for noise immunity; do not leave MCLR floating.
Информация о соответствии
RoHS status is unknown from distributor data; this OTP SOIC variant is a legacy Microchip part. Not AEC-Q100 qualified - for automotive use choose PIC16F1939 or similar AEC-Q100 flash parts. Conflict-minerals compliance per Microchip policy applies to all PIC products.
