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DS90CP04TLQX ,4x4 Low Power 2.5 Gb/s LVDS Digital Cross-Point SwitchBlock Diagrams20028701 2004 National Semiconductor Corporation DS200287 Functional
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DS90CP04TLQ-DS90CP04TLQX
4x4 Low Power 2.5 Gb/s LVDS Digital Cross-Point Switch
DS90CP04
4x4 Low Power 2.5 Gb/s LVDS Digital Cross-Point
Switch
General DescriptionDS90CP04isa 4x4 digital cross-point switch with broadside
input and output pinsfor efficient board layout.It utilizes Low
Voltage Differential Swing (LVDS) technologyfor low power,
high-speed operation. Data paths are fully differential from
inputto outputfor low noise. The non-blocking architecture
allows connectionsof any inputto any outputor outputs. The
switch matrix consistsof four differential 4:1 multiplexes.
Each output channel connectsto oneof the four inputs
commontoall multiplexers. Each DS90CP04 output pairis
capableof independent operationupto 2.5Gb/s. simple serial control interfaceora configuration select port activatedbythe stateofthe MODE pin. When utilizingthe
serial control interfacea single load command will update
the new switch configurationforall outputs simultaneously.
Whenthe direct configuration portis used, output configura-
tions are updated immediately based on the decoded
SEL0/1 logic state.
Features 2.5 Gbps fully differential data paths Non-blocking architecture Broadcast from any input Broadside pin-out Possible expansionto larger switch array Accepts LVDS/BLVDS/LVPECL/2.5V-CML inputs TRI-STATE LVDS outputs Serial control interface with read-back capability Double register loading Single +2.5V supply Low power, 575 mW Typat 2.5 Gb/s Lead-less LLP-32 package 6x6 mm body size) Fabricated with advanced CMOS process technology
Functional Block DiagramsJanuary 2004
DS90CP04
4x4
Low
Power
Gb/s
VDS
Digital
Cross-Point
Switch
