TUSB2140BN USB 1.1 4-Port Hub Controller | Texas Instruments
Артикул: TUSB2140BN ✗ Снят с производстваTUSB2140BN Обзор
Аналоги без доработки для TUSB2140BN — 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 TUSB2140BN (тот же форм-фактор и посадочное место) — отличается по Temperature Grade.
TUSB2140N
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Открыть даташит →TUSB2140BN Характеристики
| Device Type | USB 1.1 four-port hub controller |
| USB Version | USB 1.1 |
| Number of USB Ports | 4 ports |
| Transceiver Configuration | 1/1 transceiver |
| Напряжение питания | 3 V to 5.25 V |
| Корпус | 40-DIP (0.600", 15.24 mm) |
| Число выводов | 40 terminals |
| Тип монтажа | Through-hole |
| Temperature Grade | Commercial |
| Device Category | Bus controller, universal serial bus |
| Manufacturer | Texas Instruments |
| I2C Interface | Microcontroller interface indicated by supplier documentation |
Руководство по цоколевке TUSB2140BN в корпусе 40-dip (0.600", 15.24 mm)
Цоколевка для TUSB2140BN (корпус 40-dip (0.600", 15.24 mm)). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для TUSB2140BN.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
TUSB2140BN подходит для 6 применениеs: Legacy USB Peripheral Hub, Industrial USB Data Acquisition Hub, USB-to-Serial Adapter Hub, Test and Measurement Access Hub, Embedded Linux USB Hub Expansion, Printer and Peripheral Sharing Hub.
Legacy USB Peripheral Hub
The TUSB2140BN fits a legacy USB 1.1 hub design built around a 40-DIP through-hole controller. Its confirmed four-port hub capability provides the basis for connecting multiple downstream peripherals through a shared upstream USB interface, while the 3 V to 5.25 V supply range supports conventional USB controller rails. The through-hole package also simplifies prototype assembly and repair. Before routing the board, engineers should obtain the official TUSB2140B pin table and verify data-line, clock, I2C, power, and ground connections because those details are not present in the supplied listings.
Рекомендуется
Industrial USB Data Acquisition Hub
The TUSB2140BN can support a legacy industrial data-acquisition hub that combines several low-speed USB instruments behind one controller. Four hub ports provide a practical way to connect control, measurement, and storage peripherals, while commercial temperature grading makes the device a candidate for controlled indoor equipment. The 40-DIP package is advantageous for industrial motherboard layouts that use through-hole assembly. Designers must still confirm operating-temperature limits, ESD protection, upstream and downstream bus routing, and power-distribution requirements from the manufacturer documentation.
Рекомендуется
USB-to-Serial Adapter Hub
The TUSB2140BN is applicable to a multi-port USB-to-serial adapter hub built for legacy computers and embedded controllers. Its four USB hub ports can organize several serial peripherals, and the through-hole 40-DIP package allows inexpensive through-hole adapter construction. The I2C microcontroller interface referenced in supplier documentation may assist configuration or hub-management implementation, although exact register and address details remain to be verified. Production designs should reserve local decoupling, implement downstream-port power control, and validate USB signal integrity according to the official device guidance.
Рекомендуется
Test and Measurement Access Hub
The TUSB2140BN can form the central USB connection point in a legacy test-and-measurement access hub. Its four ports allow compatible USB 1.1 instruments, programmers, or service interfaces to share one upstream connection, and the 40-DIP package simplifies insertion into laboratory or service boards. The confirmed 3 V to 5.25 V operating range allows compatibility with conventional controller supply rails, but does not by itself specify internal port-current limits. Each downstream path therefore needs power switching, protection, and grounding validated against the official datasheet and USB design guidance.
Рекомендуется
Embedded Linux USB Hub Expansion
The TUSB2140BN is suitable for a legacy embedded Linux system that needs a physical four-port USB expansion interface. The controller's USB 1.1 classification targets established low-speed and full-speed peripherals rather than current high-speed devices, making it most appropriate where existing host software already supports USB 1.1 devices. The DIP package enables simple carrier-board implementation. Linux enumeration, port-power timing, I2C configuration, and driver support should be validated in the target operating system because the supplied web evidence does not establish those software details.
Рекомендуется
Printer and Peripheral Sharing Hub
The TUSB2140BN can organize legacy printers, scanners, and service peripherals in a shared USB 1.1 hub. Four downstream ports provide a clear expansion path for compact desktop equipment, and the through-hole package supports economical adapter-board assembly. A reliable implementation must account for hot-plug behavior, downstream-port power management, shared-current limits, shield grounding, and USB data routing. Since the verified listings do not disclose those electrical details or exact pin assignments, the manufacturer datasheet and USB reference designs should be used as the controlling design documents.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для TUSB2140BN — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | TUSB2140N |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
Ключевые отличия
- Confirmed four-port USB 1.1 hub function (против TUSB2140N)
- Documented 40-DIP package format (против TUSB2140N)
- Verified distributor availability and pricing (против TUSB2140N)
Заметки по проектированию
Use the official 40-DIP package drawing to establish pin 1 orientation and preserve the through-hole footprint. Because the supplied evidence does not include the complete pin table, do not derive USB data, power, clock, or I2C connections from generic USB-controller symbols. Route differential USB pairs as controlled-impedance nets, keep connector and transceiver paths short, and verify every connection against the manufacturer pin description before releasing fabrication files.
Implement the downstream hub power path separately from the controller supply. The verified operating supply range is 3 V to 5.25 V, but no downstream current limit or switching transistor configuration is supplied. Determine each port's worst-case load from the official datasheet, add appropriate protection, and account for simultaneous port-current demand so the power supply, connectors, and protection components remain within safe limits.
Separate the upstream USB connection from downstream-port routing and avoid long stubs between the controller and connectors. Maintain a continuous ground reference under USB data routes, place required bypass capacitance close to the relevant supply pins, and follow the manufacturer's recommended layer stack and impedance guidance. Since exact clock and I2C connections are not available in the verified data, their placement and return paths should be based on the official application schematic.
Do not treat the TUSB2140N comparison result as proof of interchangeability without checking the full package and pinout. Also do not infer that USB 1.1 operation guarantees modern high-speed peripheral performance. Confirm the required USB speed, host compatibility, port-power behavior, lifecycle status, and operating-temperature range against current manufacturer documentation before starting a new production design.
Информация о соответствии
The supplied verified records identify commercial temperature grade but do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. AEC-Q100 is marked not applicable because this is a USB interface IC rather than an automotive-qualified device. No compliance claims were inferred.
