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VSC6464 Datasheet

  • VSC6464

  • 64x64 Crosspoint Switch

  • 94.25KB

  • 10頁

  • VITESSE

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VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
64x64 Crosspoint Switch
VSC6464
Features
鈥?Synchronous or Asynchronous Operation
鈥?500Mb/s Asynchronous Operation
鈥?250Mb/s Synchronous Operation
鈥?<750ps Output to Output Skew (Synchronous)
鈥?<1.5ns Skew Input to Output (Asynchronous)
鈥?Single Ended ECL I/O
鈥?Separate Input and Output Register Clocks
鈥?Single Supply: -2V + 5% @ 8 Watts (Max.)
鈥?Commercial (0
o
to +70
o
C) Temperature Range
鈥?Package: 208PQFP
General Description
The VSC6464 is a 64x64 asynchronous (鏗俹w-through) or synchronous (clocked) high-speed crosspoint
switch. Any input can be multiplexed to any, some, or all outputs. The switch is fully non-blocking. All I/Os are
single-ended ECL. The part is packaged in a 208-pin plastic quad 鏗俛t pack and consumes less than 8 Watts from
a single -2V power supply.
In the asynchronous mode, high speed digital data up to 500Mb/s can be switched with less than 25% pulse
width distortion. Skew is less than 1.5 ns between any two paths through the switch. In broadcast operation (one
input routed to two or more outputs), any two outputs will exhibit less than 750ps of skew.
In the synchronous mode, high-speed digital data up to 250 Mb/s can be switched with less than 750ps out-
put-to-output skew. The input and output registers have separate clock inputs.
VSC6464 Functional Block Diagram
MODE
DIN<63:0>
2:1
MUX
REG
64 x 64:1
MUX
REG
2:1
MUX
DOUT<63:0>
CKI
CKO
SERS
SERD
SERC
SERIAL
TO
PARALLEL
DEC
64 6-BIT
REGISTERS
G52219-0, Rev. 2.0
8/4/98
漏
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 鈥?805/388-3700 鈥?FAX: 805/987-5896
Page 1

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