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Holt Integrated Circuits Introduces RS-485/422 Transceivers Capable of -55oC to 200oC Operation

Holt integrated circuits,inc.

02/11/2012


Mission Viejo, CA (October 24, 2012)  – Holt Integrated Circuits today announced the introduction of a family of RS-485/422 transceivers capable of operating in temperatures from  −55°C to 200oC. The HI-4853H family is capable of data rates up to 20Mbps (50 ft. CAT-5 UTP).

All devices in the family offer extended power supply range (3.15V to 5.5V), controlled slew rate and a wide common mode voltage range (−12V to +15V for half-duplex, ± 20V for full-duplex). Each device delivers at least ± 1.50V and ± 2.00V output drive at worst-case supply voltages of 3.15V and 4.5V respectively, over an extended temperature range of −55°C to +200°C into a differential load of 54? and 50pF.

The receiver offers true Fail-Safe operation, providing a guaranteed logic high output when the bus is open-circuit, short-circuit or idle (terminated but not driven). The receiver’s worst case minimum input resistance is at least 70 k? at 200°C.

 “This family of devices provides customers with the capability of operating in extremely harsh environments, with all device parameters guaranteed across the full temperature range −55°C to +200°C,” said Anthony Murray, Director of Business Development at Holt. “These devices are targeted at high temperature avionics and industrial applications such as MMSI / EBR-1553 and down-hole drilling.”

HI-4853H operates half duplex whereas the HI-4854H and HI-4855H provide full duplex operation. Operation up to 200°C is guaranteed in an 8-pin CERDIP package with industry standard pin-outs, whereas plastic SOIC package options guarantee operation up to 175°C.

To request information on Holt’s ARINC 429, CAN, MIL-STD-1553 and other product lines, readers should contact Holt at (949) 859-8800, by e-mail at info@holtic.com, or visit the Holt website at www.holtic.com.

About Holt Integrated Circuits

Located in Mission Viejo, CA, Holt Integrated Circuits is a major supplier of ICs for avionics and military data bus and display applications.  The company’s products are specified by more than 400 manufacturers worldwide and are employed in flight control, navigation, engine management, communications, safety equipment, and in-flight entertainment systems.

Holt’s range of ICs supporting the ARINC 429 standard is the widest in the industry and its MIL-STD-1553 transceivers are recognized as the industry’s smallest, having the lowest power consumption.  In addition, Holt MIL-STD-1553 integrated terminals offer the most compact, cost effective solution available, integrating protocol, transceiver and transformers in a single 15x15mm package.  Other data bus products include ARINC 717, CAN, RS-485/422 and analog switches.  Select products are available to DSCC SMD specifications.  Holt also offers product compliant to the European Union "RoHS Directive 002/95/EC".

Holt Integrated Circuits is ISO 9001:2008 registered and is a STACK certified supplier.

 
 
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