參數(shù)資料
型號: BXM80526B450256
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: 64-BIT, 450 MHz, MICROPROCESSOR, CPGA495
封裝: MICRO PGA-495
文件頁數(shù): 40/84頁
文件大?。?/td> 450K
代理商: BXM80526B450256
Mobile Pentium III Processor in BGA2 and Micro-PGA2 Packages Datasheet
Intel Corporation
37
Figure 19. High to Low, GTL+ Receiver Ringback Tolerance
V
REF,max+0.2V
Time
V
REF,min-0.2V
V
REF,min
V
start
Clock
V
IL,BCLK
V
IH,BCLK
V0014-02
τ
δ
ρ
φ
α
Table 27. GTL+ Signal Group Overshoot/Undershoot Tolerance at the Processor Core
1, 4, 5
Overshoot Amplitude
2
Undershoot Amplitude
3
Allowed Pulse Duration
2.0V
-0.35V
0.35 ns
1.9V
-0.25V
1.2 ns
1.8V
-0.15V
4.3 ns
NOTES:
1.
Under no circumstances should the GTL+ signal voltage ever exceed 2.0V maximum with respect to ground or -2.0V
minimum with respect to VCCT (i.e., VCCT - 2.0V) under operating conditions.
2.
Ringbacks below VCCT cannot be subtracted from overshoots. Lesser undershoot does not allocate longer or larger
overshoot.
3.
Ringbacks above ground cannot be subtracted from undershoots. Lesser overshoot does not allocate longer or larger
undershoot.
4.
System designers are encouraged to follow Intel provided GTL+ layout guidelines.
5.
All values are specified by design characterization and are not tested.
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