參數(shù)資料
型號(hào): PC8641MSH1333JB
廠商: E2V TECHNOLOGIES PLC
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, CBGA1023
封裝: 33 X 33 MM, 2.72 MM HEIGHT, 1 MM PITCH, ROHS COMPLIANT, CERAMIC, FC-BGA-1023
文件頁(yè)數(shù): 26/111頁(yè)
文件大?。?/td> 1660K
代理商: PC8641MSH1333JB
21
0893C–HIREL–01/10
e2v semiconductors SAS 2010
PC8641 and PC8641D [Preliminary]
Notes:
1. t
CISKEW represents the total amount of skew consumed by the controller between MDQS[n] and any cor-
responding bit that will be captured with MDQS[n]. This should be subtracted from the total timing
budget.
2. The
amount of skew that can be tolerated from MDQS to a corresponding MDQ signal is
called t
DISKEW.This can be determined by the following equation: tDISKEW = ±(T/4 - abs(tCISKEW)
where T is the clock period and abs(t
CISKEW) is the absolute value of tCISKEW.
3. Maximum DDR1 frequency is 400 MHz.
600 MHz
-240
240
533 MHz
-300
300
400 MHz
-365
365
Table 7-8.
DDR SDRAM Input AC Timing Specifications (At Recommended Operating Conditions)
Parameter
Symbol
Min
Max
Unit
Notes
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