Half Duplex RS485 Transceiver has 20 Mbps data rate.

Press Release Summary:



Model SP1485E features typical transmitter and receiver skews of 2 and 5 ns and propagation delays of 20 and 30 ns respectively. Capable of driving up to 32 transceivers on one bus, it offers ESD protection of ±15 kV on I/O lines. Unit operates off of one +5 V supply and features fail-safe at receiver inputs. Additional features include 900 µA supply current, multipoint transmission, and current limiting for driver overload protection.



Original Press Release:



Sipex Announces New RS485 Featuring High Speed of 20Mbps & 15kV ESD Protection



(Milpitas, CA - November 11, 2003) - Sipex Corporation (NASDAQ: SIPX), a leading provider of high performance, analog integrated circuits (ICs), today introduced a new half duplex RS485 transceiver. The SP1485E features a data rate of 20Mbps with typical transmitter and receiver skews of only 2ns and 5ns and propagation delays of 20ns and 30ns respectively. Capable of driving as many as 32 transceivers on a bus and offering high ESD protection of +/-15kV on I/O lines, this part is ideal for high-speed networking.

The SP1485E operates off of a single +5V supply and features fail-safe at the receiver inputs to guarantee logic high outputs when the receiver inputs are open.

Key Features (typical):

o 20Mbps Data Rate

o Transmitter & receiver propagation delay of 20ns and 30ns

o Differential driver output of 1.5V for load of 54ohm

o Typical supply current of 900uA

o Allows up to 32 transceivers on the bus

o Multipoint transmission on long and noisy bus

o High ESD protection (+/-15kV of Human Body Model, +/-15kV IEC1000-4-2 Air Discharge, +/-8kV IEC1000-4-2 Contact Discharge)

o Current limiting for driver overload protection

Price and availability

The SP1485E is available in both the commercial and extended temperature range in 8-pin NSOIC and 8-pin PDIP packages. Samples are available now to assist in the evaluation of the product. Prices start at $1.75 for 1,000 piece quantities.

About Sipex Interface Products

Sipex's family of interface ICs facilitate the transfer of digital signals between or within electronic systems and ensure reliable, wired connectivity between networks, computers, and the rapidly expanding mix of digital peripherals and portable devices that connect to them. The serial interface product family contains RS232/RS422/RS485 high speed, differential transceivers and multiprotocol transceivers. Sipex offers the largest portfolio of multiprotocol transceivers in the market addressing key areas of concerns such as One-Chip solution, high speed, high ESD and on-board termination resistors.

About Sipex

Sipex Corporation is a semiconductor company that designs, manufactures and markets high performance, value-added analog integrated circuits (ICs). Sipex serves the broad analog signal processing market with interface, power management and optical storage ICs for use in computing, communications, and networking infrastructure markets. The company is headquartered in Milpitas, California with additional offices in Belgium, China, Germany, Japan, South Korea and Taiwan. Sipex sells direct and through distribution channels. For more information about Sipex, visit www.sipex.com.

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