Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The ST4E1240DT is a low-power differential line transceiver for data transmission standard RS485 applications in half-duplex mode, compatible with 3.3 V or 5 V rail power supplies, and fully operational from 3 V to 5.5 V. It operates at rates of up to 40 Mbps. It is ideal for multipoint applications over extension cables. It is very stable to ESD transients. In particular, the bus pins support ±12 kV IEC 61000-4-2 contact discharge. It has a strong hot-plug capability for switching or hot-plugging.

Product Characteristics

Type: Transceiver

Protocol: RS485

Number of drivers/receivers: 1/1

Duplex: Half duplex

Receiver hysteresis: 30 mV

Baud Rate: 40Mbps 40Mbps

Voltage - Power: 3V ~ 5.5V

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package/Case: 8-SOIC (0.154", 3.90mm wide)

Supplier Device Package: 8-SOIC

Applications

● Factory automation and control

● Motion controllers

● Video surveillance (building, traffic monitoring)

● Backplane buses

● Grid infrastructure

● Data acquisition (smart meters, seismic networks)

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.