SCAN928028

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SNLS163F – AUGUST 2003 – REVISED APRIL 2013

SCAN928028 8 Channel 10:1 Serializer with IEEE 1149.1 and At-Speed BIST

Check for Samples: SCAN928028

1

FEATURES

DESCRIPTION

The SCAN928028 integrates eight serializer devices

2

•

IEEE 1149.1 (JTAG) Compliant and At-Speed

into

a

single

chip.

The

SCAN928028

can

BIST Test Mode.

simultaneously serialize up to eight 10-bit data

•

All 8 Channels Synchronous to One Parallel

streams. The 10-bit parallel inputs are LVTTL signal

Clock Rate, from 18 to 66 MHz

levels. The serialized outputs are LVDS signals with

extra drive current for point-to-point and lightly loaded

•

Duplicates Function of Multiple DS92LV1021

multidrop applications. Each serializer block in the

and '1023 10-Bit Serializer Devices

SCAN928028

operates

independently

by

using

•

Serializes from One to Eight 10-Bit Parallel

strobes from a single shared PLL.

Inputs into Data Streams with Embedded

The SCAN928028 uses a single +3.3V power supply

Clock

with a typical power dissipation of 740mW (3.3V /

•

Eight 5 mA Modified Bus LVDS Outputs that

PRBS / 66 MHz). Each serializer channel has a

are Capable to Drive Double Terminations

unique power down control to further conserve power

•

@Speed Test - PRBS Generation to Check

consumption.

LVDS Transmission Path to SCAN921224,

For high-speed LVDS serial data transmission, line

SCAN921226, SCAN921260, or SCAN926260

quality is essential, thus the SCAN928028 includes

•

On Chip Filtering for PLL

an @SPEED TEST function. Each Serializer channel

has the ability to internally generate a PRBS data

•

740mW Typ Power Dissipation (Loaded, PRBS,

pattern.

This

pattern

is

received

by

specific

66MHz, 3.3V)

deserializers

(SCAN921224)

which

have

the

•

High Impedance Inputs and Outputs on Power

complement

PRBS

verification

circuit.

The

off

deserializer checks the data pattern for bit errors and

•

Single Power Supply at +3.3V (+/-10%)

reports any errors on the test verification pins on the

deserializer.

•

196-pin NFBGA Package

•

Industrial Temperature Range Operation: -40

For additional information - please see the Application

Information section in this datasheet.

to +85°C

1

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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2003–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.