參數(shù)資料
                  型號: LFEC1E-5F672I
                  廠商: Lattice Semiconductor Corporation
                  英文描述: LatticeECP/EC Family Data Sheet
                  中文描述: LatticeECP / EC的系列數(shù)據(jù)手冊
                  文件頁數(shù): 55/117頁
                  文件大?。?/td> 557K
                  代理商: LFEC1E-5F672I
                  3-19
                  DC and Switching Characteristics
                  LatticeECP/EC Family Data Sheet
                  Lattice Semiconductor
                  Figure 3-11. Read Before Write (SP Read/Write on Port A, Input Registers Only)
                  Note: Input data and address are registered at the positive edge of the clock and output data appears after the positive edge of the clock.
                  Figure 3-12. Write Through (SP Read/Write On Port A, Input Registers Only)
                  Note: Input data and address are registered at the positive edge of the clock and output data appears after the positive edge of the clock.
                  A0
                  A1
                  A0
                  A1
                  D0
                  D1
                  D2
                  DOA
                  A0
                  D2
                  D3
                  D1
                  old A0 Data
                  old A1 Data
                  D0
                  D1
                  DIA
                  ADA
                  WEA
                  CSA
                  CLKA
                  t
                  SU
                  t
                  H
                  t
                  ACCESS
                  t
                  ACCESS
                  t
                  ACCESS
                  t
                  ACCESS
                  t
                  ACCESS
                  A0
                  A1
                  A0
                  D0
                  D1
                  D4
                  t
                  SU
                  t
                  ACCESS
                  t
                  ACCESS
                  t
                  ACCESS
                  t
                  H
                  D2
                  D3
                  D4
                  D0
                  D1
                  D2
                  Data from Prev Read
                  or Write
                  Three consecutive writes to A0
                  D3
                  DOA
                  DIA
                  ADA
                  WEA
                  CSA
                  CLKA
                  t
                  ACCESS
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