PIC16F73-E/SO - 8-Bit 20MHz Flash MCU | Microchip Technology
Артикул: PIC16F73-E/SO ✓ АктивенPIC16F73-E/SO Обзор
The PIC16F73-E/SO is a Flash-based member of the PIC16F7xxx family and is suitable for embedded control systems that require deterministic 8-bit processing, mixed analog and digital peripherals, and serial connectivity. Its 5-channel A/D converter supports basic sensor acquisition, while the timer, capture/compare, and PWM resources support motor control, timing, and waveform generation. The synchronous serial port can be configured for SPI or I2C, allowing the controller to connect to sensors, transceivers, displays, and memory devices without requiring a dedicated external serial interface.
The -E/SO ordering suffix identifies the extended-temperature version supplied in the 28-pin SOIC package. The available distributor information identifies the operating temperature range as -40 C to +125 C, and the component is listed with a 20 MHz core, 7 KB Flash memory, 192 bytes of RAM, and 22 I/O pins. These characteristics make the device appropriate for industrial instrumentation, temperature and process monitoring, compact control panels, actuator control, and general-purpose embedded products.
The device is not a high-speed digital signal processor and does not provide the memory capacity or peripheral density of modern 32-bit MCUs. Selection should therefore focus on the combination of a small 8-bit footprint, Flash programmability, A/D conversion, PWM-capable timers, and compact serial communication. For designs requiring extensive data storage, networking, USB, or high-resolution analog performance, a higher-performance microcontroller may be more appropriate.
When laying out a board, place the decoupling capacitor close to VDD and keep oscillator and reset traces short. The SOIC footprint requires adequate pin escape routing, and unused inputs should be connected according to the manufacturer datasheet recommendations. Validate the crystal or resonator network, power sequencing, analog reference arrangement, and programming access before releasing the PCB for production.
This product summary combines manufacturer specifications, distributor availability, package information, and cross-reference results to help engineers evaluate PIC16F73-E/SO for embedded control designs and identify its closest verified drop-in alternative.
Аналоги без доработки для PIC16F73-E/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 PIC16F73-E/SO (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Timers, Package, RoHS Status, Core.
PIC16F73-I/SO
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Открыть даташит →PIC16F73-E/SO Максимальные параметры и электрические характеристики
| Core Processor | 8-bit PIC |
| Maximum Operating Frequency | 20 MHz |
| Program Memory | 7 KB Flash (4K x 14) |
| Data Memory | 192 bytes RAM |
| Number of I/O Pins | 22 |
| A/D Converter | 5 channels x 8-bit |
| Timer Resources | 2 additional timers |
| Capture/Compare/PWM | 2 functions |
| Synchronous Serial Port | Configurable as 3-wire SPI or 2-wire I2C |
| Communication Interface | SPI, I2C, USART |
| Корпус | 28-pin SOIC |
| Способ монтажа | Surface Mount |
| Рабочая температура | -40 C to +125 C |
| Instruction Execution | 200 ns |
| Instruction Set | 35 single-word instructions |
| Architecture | CMOS Flash-based PIC architecture |
| Brown-out Detect/Reset | Supported |
| Power-on Reset | Supported |
| Watchdog Timer | Supported |
| Статус RoHS | unknown |
Руководство по цоколевке PIC16F73-E/SO в корпусе 28-pin soic
Цоколевка для PIC16F73-E/SO (корпус 28-pin soic). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для PIC16F73-E/SO.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
PIC16F73-E/SO подходит для 6 применениеs: Industrial Sensor Monitoring, Temperature and Process Control, Motor and Actuator Control, Serial Data Acquisition, Embedded Data Logger, Compact Control Panel.
Industrial Sensor Monitoring
The PIC16F73-E/SO fits industrial sensor-monitoring equipment that requires local analog measurement and autonomous control within one compact controller. Its five 8-bit A/D channels can sample pressure, temperature, level, or analog transducer signals, while the 20 MHz 8-bit core performs scaling, filtering, threshold checks, and status updates. The 192 bytes of RAM supports buffering and state management, and the 22 I/O pins provide digital connections to sensors, indicators, and local logic. The -40 C to +125 C operating range is particularly useful in equipment exposed to industrial temperature variation. Designers should budget conditioning between sensors and the ADC, use a stable reference arrangement, and verify acquisition timing against the manufacturer datasheet.
Рекомендуется
Temperature and Process Control
PIC16F73-E/SO is well suited to compact temperature or process-control loops where analog feedback, deterministic timing, and PWM-capable outputs are required. The 20 MHz processor can execute control calculations while the five-channel 8-bit ADC monitors multiple analog inputs, and the timer and capture/compare resources can generate control or alarm timing. SPI or I2C connectivity allows the controller to share a bus with a display, sensor, or nonvolatile memory. The same package also allows a board-level transition to PIC16F73-I/SO after grade requirements are confirmed. Production designs should account for sensor latency, ADC resolution, actuator isolation, and output-driver current rather than treating the microcontroller output pins as unrestricted power-stage drivers.
Рекомендуется
Motor and Actuator Control
The PIC16F73-E/SO can serve as the control processor in small motor or actuator systems because its timer and capture/compare resources support timing and PWM generation, while the A/D inputs can monitor speed, current, or position feedback. The 8-bit architecture is appropriate for straightforward closed-loop control and sequencing rather than advanced motion algorithms. SPI and I2C permit connection to sensors, drivers, and communication modules. Engineers should use an appropriate transistor, MOSFET, or gate-driver stage and add protection against inductive transients and overcurrent. The microcontroller's 22 I/O pins and 20 MHz clock provide useful control bandwidth, but the exact pin multiplexing and drive limits must be verified before schematic completion.
Рекомендуется
Serial Data Acquisition
PIC16F73-E/SO is suitable for acquiring and formatting data from remote sensors or laboratory instruments through its configurable SPI, I2C, or USART interface. The 20 MHz execution rate provides ample capacity for framing, checksums, filtering, and command handling in a modest embedded instrument, while 192 bytes of RAM can hold protocol buffers. Five 8-bit ADC inputs may also be used for analog reference or transducer channels. System designers should select pull-ups, termination, and isolation appropriate to the physical bus, and should avoid assuming that every serial function can operate simultaneously. The manufacturer datasheet should be consulted for peripheral-sharing constraints, port remapping, and timing.
Рекомендуется
Embedded Data Logger
PIC16F73-E/SO can implement a compact industrial or instrumentation data logger when periodic ADC samples, timestamps, and serial transfers are required. Its timer resources support accurate sampling intervals, the five 8-bit A/D channels provide local measurements, and Flash program memory holds the firmware. SPI or I2C can connect to serial EEPROM or external sensors, while USART provides a straightforward path to a host computer. The 192-byte RAM supports short buffering, although sustained logging requires external nonvolatile storage. Designers should include write-endurance management, data-integrity checks, and power-fail control, and should verify that the 28-pin SOIC footprint and available I/O remain adequate.
Рекомендуется
Compact Control Panel
PIC16F73-E/SO works in compact control panels because it combines 22 I/O pins, five analog inputs, and multiple serial options within a 28-pin SOIC package. The controller can scan switches, drive indicators, read analog controls, and communicate with a display or remote module through SPI, I2C, or USART. Its 20 MHz processing rate supports responsive menu and alarm logic, while the 192-byte RAM is adequate for short UI state and communication buffers. The 28-pin package keeps the footprint manageable, although several signals have alternate functions and cannot all be used simultaneously. Layout should preserve clean analog routing and programming access while avoiding long traces beneath sensitive analog inputs.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC16F73-E/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC16F73-I/SO |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 28-pin SOIC | 28-pin SOIC |
| Core Processor | 8-bit PIC | 8-bit PIC |
| Maximum Frequency | 20 MHz | 20 MHz |
| Program Memory | 7 KB Flash (4K x 14) | 7 KB Flash (4K x 14) |
| RAM | 192 bytes | 192 bytes |
| I/O Pins | 22 | 22 |
| ADC | 5 channels x 8-bit | 5 channels x 8-bit |
| Serial Interfaces | SPI, I2C, USART | SPI, I2C, USART |
Ключевые отличия
- Combines analog conversion, PWM-capable timing, and multiple serial protocols in one MCU (против PIC16F73-I/SO)
- Extended-temperature grade is explicitly confirmed for the target orderable MPN (против PIC16F73-I/SO)
- Sufficient resources for compact, mixed analog and digital embedded products (против PIC16F73-I/SO)
Заметки по проектированию
Place the device supply-decoupling capacitor immediately adjacent to VDD and VSS, with the shortest possible ground return. The verified source confirms operation across -40 C to +125 C, but it does not provide the complete voltage-current limits, so use the Microchip datasheet for VDD range, brown-out behavior, and output-drive limits. Do not assume that every I/O pin can source or sink the same current. If the board drives relays, motors, LEDs, or capacitive loads, use suitable driver transistors, current limiting, and protection networks.
Keep oscillator traces short and place associated crystal or resonator components close to OSC1 and OSC2 according to the manufacturer layout guidance. Route MCLR and programming-access conductors away from noisy switching nodes, and provide a stable, low-impedance ground plane. Analog inputs connected to the five ADC channels should be short, guarded where appropriate, and isolated from high-current switching paths. Because the 28-pin SOIC has limited pin escape space, review alternate-function multiplexing early to avoid a pin conflict that forces a board respin.
Do not treat a same-package MCU as automatically interchangeable without checking the ordering code, grade, pin multiplexing, and electrical limits. PIC16F73-I/SO is the only explicitly verified drop-in candidate in the supplied cross-reference data, and its exact temperature-grade requirements should be confirmed before substitution. Also avoid assuming that SPI, I2C, and USART can all be used independently; shared peripheral resources and alternate-function pins can limit simultaneous operation. Confirm the complete 28-pin pinout in the Microchip datasheet and Pin and Code Compatibility Chart before PCB release.
The 192-byte RAM and 7 KB Flash footprint require careful firmware sizing for protocol buffers, logging, and application code. If sampled data must be retained across power cycles, use external nonvolatile memory rather than relying on RAM, and account for EEPROM or flash write endurance. For PWM or timing functions, confirm that the selected timer channel does not conflict with communication peripherals or an ADC requirement. Prototype oscillator startup, reset behavior, and serial timing at the intended voltage and temperature rather than relying only on nominal-condition simulation.
Информация о соответствии
The supplied verified data does not explicitly state the target device's RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than assuming compliance.
