ST485CDR RS-422 RS-423 RS-485 by STMicroelectronics

Low power RS-485/RS-422 transceiver

The ST485 is al low power transceiver for RS-485 and RS-422 communication. Each part contains one driver and one receiver. This transceiver draw 300 μA (typ.) of supply current when unloaded or fully loaded with disabled drivers. It operates from a single 5 V supply. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that placed the driver outputs into a high-impedance state. The ST485 is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applications). The ST485 is available in three temperature range: commercial (0 °C to 70 °C), industrial (- 40 °C to 85 °C) and automotive (- 55 °C to 125 °C).

Where to Buy

Prices starting from US$0.43

Distributor Stock
Logo for RS
from US$1.43
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Logo for element14
from US$0.82
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Newark Electronics
from US$0.83
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from US$0.77
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Future Electronics
from US$0.56
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Avnet America
from US$0.68
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Transfer Multisort Elektronik
from US$0.58
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Operate from a single 5 V supply
30 ns propagation delay, 5 ns skew
Allows up to 64 transceivers on the bus
Low quiescent current: 300 μA
- 7 V to 12 V common mode input voltage range
Designed for RS-485 interface application
70 mV typical input hysteresis
Current limiting and thermal shutdown for driver overload protection
Driver maintains high impedance in 3-state or with the power OFF

Alternative Descriptions

IC, TRANSCEIVER, RS485/422, 5V | element14
Ic, Transceiver, Rs485/422, 5V | Newark Electronics
ST485C Series 5 V 2.5 Mbps Low Power RS-485/RS-422 Transceiver - SOIC-8 | Future Electronics
Single Transmitter/Receiver RS-422/RS-485 8-Pin SO N T/R | Avnet America
RS-422/485 Transceiver 1TR 1T 1R | RS
IC: interface | Transfer Multisort Elektronik
RS-485/RS-422 Transceiver, Half-Duplex, 2.5Mbps, 5V, 0÷70°C | Micros
ST Transceiver, RS485 / RS422, 7V, 900uA, SO-8 | Distrelec

Frequently Asked Questions

Where can I find additional details, specifications and documents for a ST485CDR?

Additional datasheets, footprints and schematics for ST485CDR are listed on our Part Details page. You can also find images and similar parts to ST485CDR on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for ST485CDR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view ST485CDR price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does ST485CDR fall under?

The ST485CDR is listed under Interfaces and Transceivers > RS-422 RS-423 RS-485.

Can I view similar or alternative parts?

You can view similar parts to ST485CDR when available in the RS-422 RS-423 RS-485 range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the ST485CDR you can contact the distributor directly for product support, shipping queries etc.

Is the ST485CDR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

Which authorised distributors for ST485CDR have stock available?

Authorised distributors including element14, Newark Electronics, Farnell, Future Electronics and Avnet America have stock available or on a lead time for ST485CDR.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for ST485CDR often in real-time on the comparison pages.

What if I can't find stock of ST485CDR?

You can fill out our help required form which you can use to request a quote for ST485CDR from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

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