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DS92LV8028 Datasheet

  • DS92LV8028

  • 8 Channel 10:1 Serializer

  • 379.22KB

  • 16頁

  • NSC

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DS92LV80288 Channel 10:1 Serializer
August 2003
DS92LV8028
8 Channel 10:1 Serializer
General Description
The DS92LV8028 integrates eight serializer devices into a
single chip. The DS92LV8028 can simultaneously serialize
up to eight 10-bit data streams. The 10-bit parallel inputs are
LVTTL signal levels. The serialized outputs are LVDS signals
with extra drive current for point-to-point and lightly loaded
multidrop applications. Each serializer block in the
DS92LV8028 operates independently by using strobes from
a single shared PLL.
The DS92LV8028 uses a single +3.3V power supply with a
typical power dissipation of 740mW (3.3V / PRBS / 66 MHz).
Each serializer channel has a unique power down control to
further conserve power consumption.
For high-speed LVDS serial data transmission, line quality is
essential, thus the DS92LV8028 includes an
@
SPEED TEST
function. Each Serializer channel has the ability internally
generated a PRBS data pattern. This pattern is received by
specific deserializers (SCAN921224) which have the
complement PRBS verification circuit. The deserializer
checks the data pattern for bit errors and reports any errors
on the test verification pins on the deserializer.
For additional information - please see the
Applications
Information
section in this datasheet.
Features
n
All 8 channels synchronous to one parallel clock rate,
from 25 to 66 MHz
n
Duplicates function of multiple DS92LV1021 and 鈥?023
10-bit Serializer devices
n
Serializes from one to eight 10-bit parallel inputs into
data streams with embedded clock
n
Eight 5 mA modified Bus LVDS outputs that are capable
to drive double terminations
n
@
Speed Test - PRBS generation to check LVDS
transmission path to SCAN921224 or SCAN921260
n
On chip filtering for PLL
n
740mW typ power dissipation (loaded, PRBS, 66MHz,
3.3V)
n
High impedance inputs and outputs on power off
n
Single power supply at +3.3V (+/-10%)
n
196-pin LBGA package
n
JTAG pins reserved for next version of device
n
Industrial temperature range operation: -40 to +85 藲C
Block Diagram
20027201
漏 2003 National Semiconductor Corporation
DS200272
www.national.com

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