参数资料
型号: PM73488-PI
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: 5 Gbit/s ATM Switch Fabric Element
中文描述: ATM SWITCHING CIRCUIT, PBGA596
封装: EPBGA-596
文件页数: 33/135页
文件大小: 1735K
代理商: PM73488-PI
PMC-Sierra, Inc.
PM73488 QSE
L
PMC-980616
Issue 3
5 Gbit/s ATMSwitch Fabric Element
Released
Datasheet
35
In Figure 22, the first stage of QSEs is configured to provide the required randomization, and the next two switch
stages route the cells to the final port destination. The second QSE stage needs only to make an
“up” or “down” deci-
sion requiring a single routing bit, while the third QSE stage needs to select between eight QRTs, requiring three rout-
ing bits.
Figure 22. (1,3) x 1 - 10 Gbps System
x 16
x 16
x16
x 16
622 Mbps
UTOPIA
x 4
622 Mbps
UTOPIA
QSE
IRT
x 4
QSE
ORT
x 4
QSE
QSE
QSE
QSE
x 4
Randomizer
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