參數(shù)資料
型號: IBM3209K3114
廠商: IBM Microeletronics
英文描述: IBM Packet Routing Switch Serial Interface Converter(IBM封裝路線選擇開關(guān)串行接口轉(zhuǎn)換器)
中文描述: IBM的分組路由交換機(jī)串行接口轉(zhuǎn)換器(IBM的封裝路線選擇開關(guān)串行接口轉(zhuǎn)換器)
文件頁數(shù): 122/152頁
文件大?。?/td> 2390K
代理商: IBM3209K3114
IBM3209K3114
IBM Packet Routing Switch Serial Interface Converter
Advance
I/O Definition and Package Pin Assignment
Page 112 of 142
prssi.01
July 12, 2000
7.2 I/O Timing
7.2.1 IBM Packet Routing Switch Serial Interface Converter A.C. Characteristics
7.2.1.1 AC parameters characteristics
The converter
s external interfaces (UTOPIA-3 like, Processor, and DASL) specify that all inputs and outputs
are registered. Only Set-up times and Hold times for inputs and Clock-to-outputs times for Outputs are
needed.
7.2.1.2 Protocol Engine (UTOPIA-3 like) Interface A.C. Specifications
Figure 37: AC parameters timing diagram
Symbol
Parameter
Test condition
Min
Typical
Max
Unit
f
clock frequency
50
110
125
MHz
tck
clock period
8
9
20
ns
tpw
Clock Pulse Width
High or Low
3.3
ns
tcTOV
Clock-to-Output valid
xx pF, all outputs
0.8
5
ns
tsu
Input Set-up Time
All inputs
2
ns
tHOLD
Input Hold Time
All inputs
0
ns
V a l i d
Clock
Valid
tck
tcTOV
tHOLD
tsu
Output
Signal
Input
Signal
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