DS92UT16 datasheet(2/90 Pages) TI1

2 / 90 page

OBSOLETE

DS92UT16

SNOS992E – JANUARY 2002 – REVISED APRIL 2013

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The serial interface uses LVDS Serializer and

DESCRIPTION

Deserializer technology. The 16:1 bit serialization

The DS92UT16 is a flexible UTOPIA to LVDS Bridge

allows conveying the full-duplex parallel bus over two

device. The LVDS Bridge transparently transports the

differential transmission pairs. This enables low cost

UTOPIA bus over a high speed LVDS serial link. The

backplanes and cables. Cable transmission length

device includes many reliability features such as an

can be as long 16 meters.

optional 1:1 protection and built in bit error rate

checking.

The serial link carries Flow control information (back

pressure) in both directions. The Bridge device

The parallel interface is user programmable for

applies back pressure on a per queue basis over the

maximum flexibility. The user can choose between

31 internal FIFO queues. In addition, the serial link

UTOPIA Level Level 2 ATM layer (master) of PHY

includes an OAM (Operations and Maintenance)

layer (slave). The UTOPIA-LVDS Bridge supports a

channel that does not detract from link performance.

special MPHY (multi-PHY layer) operation mode. The

MPHY

operation

supports

248

standard

There are many applications where the UTOPIA-

UTOPIA Level 2 PHY ports without adding external

LVDS

Bridge

simplifies

designs.

Box-to-box

circuitry.

connections can use DS29UT16 devices across

cables. Access multiplexor applications can use the

devices across a PCB backplane for point-to-point

and lightly loaded multidrop configurations.

Block Diagram

Figure 1. DS92UT16 Block Diagram

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