參數(shù)資料
型號: CY62147EV18LL-55BVXI
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 4-Mbit (256K x 16) Static RAM
中文描述: 256K X 16 STANDARD SRAM, 55 ns, PBGA48
封裝: 6 X 8 MM, 1 MM HEIGHT, LEAD FREE, VFBGA-48
文件頁數(shù): 8/12頁
文件大小: 388K
代理商: CY62147EV18LL-55BVXI
CY62147EV18 MoBL2
Document #: 38-05441 Rev. *F
Page 8 of 12
Figure 8
shows the Write Cycle No. 3 that is WE Controlled and OE LOW.
[20]
Figure 8. Write Cycle No. 3
Figure 9
shows Write Cycle No. 4 that is BHE/BLE Controlled and OE LOW.
[20]
Figure 9. Write Cycle No. 4
Switching Waveforms
(continued)
DATA
IN
t
HD
t
SD
t
LZWE
t
PWE
t
SA
t
HA
t
AW
t
SCE
t
WC
t
HZWE
t
BW
NOTE 21
CE
ADDRESS
WE
DATA IO
BHE/BLE
t
HD
t
SD
t
SA
t
HA
t
AW
t
WC
DATA
IN
t
BW
t
SCE
t
PWE
t
HZWE
t
LZWE
NOTE 21
DATA IO
ADDRESS
CE
WE
BHE/BLE
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