參數(shù)資料
型號： BX80530C1400512
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 1400 MHz, MICROPROCESSOR, CPGA370
封裝： FLIP CHIP, PGA-370
文件頁數(shù)： 46/94頁
文件大?。?/td> 1775K
代理商： BX80530C1400512
42
Datasheet
Intel Pentium III Processor with 512KB L2 Cache at 1.13GHz to 1.40GHz
3.3.6
Determining if a System Meets the Overshoot/Undershoot
Specifications
The overshoot/undershoot specifications listed in the following tables specify the allowable
overshoot/undershoot for a single overshoot/undershoot event. However most systems will have
multiple overshoot and/or undershoot events that each have their own set of parameters (duration,
AF and magnitude). While each overshoot on its own may meet the overshoot specification, when
you add the total impact of all overshoot events, the system may fail. A guideline to ensure a
system passes the overshoot and undershoot specifications is shown below. It is important to meet
these guidelines; otherwise, contact your Intel field representative.
1. Ensure no AGTL signal ever exceeds 1.78V and no CMOS signal ever exceeds 2.08V.
OR
2. If only one overshoot/undershoot event magnitude occurs, ensure it meets the over/undershoot
specifications in the following tables
OR
3. If multiple overshoots and/or multiple undershoots occur, measure the worst case pulse
duration for each magnitude and compare the results against the AF = 1 specifications. If all of
these worst case overshoot or undershoot events meet the specifications (measured time <
specifications) in the table (where AF=1), then the system passes.
The following notes apply to Table 24 through Table 27.
NOTES:
1. Overshoot/Undershoot Magnitude = 1.78V(AGTL), 2.08V(CMOS) is an absolute value and
should never be exceeded
2. Overshoot is measured relative to VSS.
3. Undershoot is measured relative to VTT
4. Overshoot/Undershoot Pulse Duration is measured relative to 1.32V for AGTL and 1.80V for
CMOS.
5. Rinbacks below VTT can not be subtracted from Overshoots/Undershoots
6. Lesser Undershoot does not allocate longer or larger Overshoot
7. OEM’s are encouraged to follow Intel provided layout guidelines. Consult the layout guidelines
provided in the specific platform design guide.
8. All values specified by design characterization
相關(guān)PDF資料
PDF描述
BU-61743F3-222L 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743F3-270K 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743F3-410Z 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743F3-472Q 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
BU-61743F3-482K 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
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