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參數資料
| 型號： | OCX160-PPT |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | OCX160 Crosspoint Switch |
| 中文描述： | OCX160交叉點開關 |
| 文件頁數： | 1/44頁 |
| 文件大小： | 710K |
| 代理商： | OCX160-PPT |
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I-Cube, Inc.
[Rev. 1.6] 2/20/01
1
OCX160 Crosspoint Switch
Preliminary Data Sheet
Features
Description
The OCX 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
SONET/SDH and DWDM
Digital Cross-Connects
High Speed Test Equipment
Figure 1 OCX160 Functional Block Diagram
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
–
80 dedicated differential input ports
–
80 dedicated differential output ports
–
Supports LVDS and LVPECL I/O
–
LVTTL control interface
–
Output Enable control for all outputs
Non-blocking switch matrix
–
Patented ActiveArray
matrix for superior performance
–
Double-buffered configuration RAM cells for simultaneous
global updates
–
ImpliedDisconnect
function for single cycle disconnect/
connect
Full Broadcast and multicast capability
–
One-to-One and One-to-Many connections
–
Special broadcast mode routes one input to
all outputs at maximum data rate
Registered and flow-through data modes
–
333 MHz synchronous mode
–
667 Mb/s asynchronous mode
–
Low jitter and signal skew
–
Low duty cycle distortion
RapidConfigure
parallel interface for
configuration and readback
JTAG serial interface for configuration and
Boundary Scan testing
420 BGA package with 1.27mm ball spacing
System Backplanes and Interconnects
ATM Switch Cores
Video Switching
Input
Buffers
80 x 80
Crosspoint
Switch Matrix
CLK
OE#
HW_RST#
UPDATE#
OUT[79:0]
160
2
Configuration and
Programming Logic
RCA[6:0]
RCB[6:0]
RCI[3:0]
RCO[4:0] 5
RC_CLK#
RC_EN#
4
7
7
RapidConfigure
Signals
IN[79:0]
160
Output
Buffers
JTAG
Signals
TCK
TMS
TDI
TRST#
TDO
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