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OCX160 Datasheet

  • OCX160

  • OCX160 Crosspoint Switch

  • 44頁

  • ETC

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OCX160 Crosspoint Switch
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
667 Mb/s port data bandwidth, >50Gb/s aggregate bandwidth
Low power CMOS, 2.5V and 3.3V power supply
SRAM-based, in-system programmable
160 configurable I/O ports
鈥?80 dedicated differential input ports
鈥?80 dedicated differential output ports
鈥?Supports LVDS and LVPECL I/O
鈥?LVTTL control interface
鈥?Output Enable control for all outputs
鈥?/div>
Non-blocking switch matrix
鈥?Patented ActiveArray鈩?matrix for superior performance
鈥?Double-buffered configuration RAM cells for simultaneous
global updates
鈥?ImpliedDisconnect鈩?function for single cycle disconnect/
connect
鈥?/div>
Full Broadcast and multicast capability
鈥?One-to-One and One-to-Many connections
鈥?Special broadcast mode routes one input to
all outputs at maximum data rate
鈥?/div>
Registered and flow-through data modes
鈥?333 MHz synchronous mode
鈥?667 Mb/s asynchronous mode
鈥?Low jitter and signal skew
鈥?Low duty cycle distortion
鈥?/div>
RapidConfigure鈩?parallel interface for
configuration and readback
鈥?/div>
JTAG serial interface for configuration and
Boundary Scan testing
鈥?/div>
420 BGA package with 1.27mm ball spacing
Preliminary Data Sheet
Description
The OCX鈩?family of SRAM-based devices are non-blocking
n X n
digital crosspoint switches capable of data
rates of 667 Megabits per second per port. The I/O ports are fixed as either input or output ports. The input ports
support flow-through mode only. The output ports are individually programmable to operate in either flow-
through (asynchronous) or registered (synchronous) mode. Each output register may be clocked by a global
clock or a next neighbor clock source.
The patented ActiveArray provides greater density, superior performance, and greater flexibility compared to a
traditional
n:1
multiplexer architecture. The OCX devices support various operating modes covering one input to
one output at a time as well as one input to many outputs, plus a special broadcast mode to program one input to
all outputs while maintaining maximum data rates. In all modes data integrity and connections are maintained on
all unchanged data paths.
The RapidConfigure parallel interface allows fast configuration of both the Output Buffers and the switch
matrix. Readback is supported for device test and verification purposes. The OCX160 also supports the industry
standard JTAG (IEEE 1149.1) interface for boundary scan testing. The JTAG interface can also be used to
download configuration data to the device and readback data. A functional block diagram of the OCX160 is
shown in Figure 1.
Applications
鈥?/div>
SONET/SDH and DWDM
鈥?/div>
Digital Cross-Connects
160
IN[79:0]
Input
Buffers
80 x 80
Crosspoint
Switch Matrix
鈥?/div>
System Backplanes and Interconnects
鈥?/div>
High Speed Test Equipment
160
OUT[79:0]
Output
Buffers
鈥?/div>
ATM Switch Cores
鈥?/div>
Video Switching
2 CLK
OE#
RapidConfigure
Signals
RCA[6:0] 7
RCB[6:0] 7
RCI[3:0] 4
RCO[4:0] 5
RC_CLK#
RC_EN#
UPDATE#
Configuration and
Programming Logic
TCK
TMS
TDI
TRST#
TDO
JTAG
Signals
HW_RST#
Figure 1 OCX160 Functional Block Diagram
I-Cube, Inc.
[Rev. 1.6] 2/20/01
1

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