Company Name: Excellent Integrated System LIMITED

Contact Person : John

Email/Msn     :John(at)eis-ic.com

Tel: 00852-30777742

Add.: RM 906, WORKINGBERG COMM BLDG, 41-47 MARBLE RD, HONGKONG

Excellent Integrated System LIMITED (EIS LIMITED), Established in 1991, is a professional independent stocking distributor of electronic components and specialize in buying the EXCESS STOCK from the original equipment manufacturers (OEMs), Contract equipment manufacturers (CEMs), and many other factories. EIS has gained good experiences in Excess Inventory Management through its development over 20 years and has become the reliable partner for the domestic and foreign OEM manufacturers. If any inquiry and question,please email us: John(at)eis-ic.com.

Description as follow:

TThe ST3485EBDR is ±15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST3485EBDR transmits and receives at a guaranteed data rate of at least 12 Mbps.

Parametrics

Absolute maximum ratings: (1)VCC, Supply voltage: 7 V; (2)VI, Control input voltage (RE, DE): -0.3 to 7 V; (3)VDI, Driver input voltage (DI): -0.3 to 7 V; (4)VDO, Driver output voltage (A, B): ± 14 V; (5)VRI, Receiver input voltage (A, B): ± 14 V; (6)VRO, Receiver output voltage (RO): -0.3 to (VCC + 0.3) V.

Features

Features: (1)ESD protection: ±15 kV human body model; ±8 kV IEC 1000-4-2 contact discharge; (2)Operate from a single 3.3 V supply - no charge pump required; (3)Interoperable with 5 V logic; (4)1 μA low current shutdown mode max; (5)Guaranteed 12 Mbps data rate; (6)-7 to 12 V common mode input voltage range; (7)Half duplex versions available; (8)Industry standard 75176 pinout; (9)Current limiting and thermal shutdown for driver overload protection; (10)Guaranteed high receiver output state for floating inputs with no signal present; (11)Allow up to 64 transceivers on the bus.

Diagrams