Product category: Standard Logic Devices
News Release from: Texas Instruments (April 2001-March 2006) | Subject: SN75LVDT1422
Edited by the Electronicstalk Editorial Team on 18 July 2005
Serdes runs between TTL and LVDS
A new 14bit LVDS serialiser/deserialiser saves system cost and board space in consumer electronics products
Texas Instruments has introduced a 14bit low-voltage differential signalling (LVDS) serialiser/deserialiser (serdes) that saves system cost and board space in consumer electronics products. The device supports a phase-locked loop (PLL) range of 10 to 100MHz without needing external PLL components.
This article was originally published on Electronicstalk on 18 July 2005 at 8.00am (UK)
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It is suitable for a vast array of consumer applications requiring bidirectional data flows, such as memory cards where data can be written as well as read.
The SN75LVDT1422 full duplex serdes reduces system space and component requirements by incorporating in a single device a 14bit serialiser and 14bit deserialiser, each operating independently.
The serialiser accepts 14 transistor-transistor logic (TTL) input lines and generates two LVDS high-speed serial streams plus one LVDS clock signal.
The deserialiser accepts three LVDS input signals, including two high-speed serial streams and one LVDS clock signal, and drives out 14 TTL data signals plus one TTL clock.
The LVDT1422 provides three termination resistors for the differential LVDS inputs, thereby minimising cost and board space, while providing better overall signal integrity.
The LVDT1422 is available now in a lead (Pb)-free 64-pin thin quad flat package (TQFP) from TI and its authorised distributors.
The device is priced at $3.70 in 1000-piece quantities (suggested resale pricing).
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