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CY2310ANZPVC-1 参数 Datasheet PDF下载

CY2310ANZPVC-1图片预览
型号: CY2310ANZPVC-1
PDF下载: 下载PDF文件 查看货源
内容描述: 3.3V的SDRAM缓冲区用于移动PC与4 SO- DIMM内存模块 [3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs]
分类和应用: 动态存储器PC
文件页数/大小: 15 页 / 303 K
品牌: CYPRESS [ CYPRESS SEMICONDUCTOR ]
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CY7C138
CY7C139
Switching Waveforms
(continued)
Write Cycle No. 2: R/W Three-States Data I/Os (Either Port)
t
WC
ADDRESS
t
SCE
SEM OR CE
t
SA
R/W
t
AW
t
PWE
t
HA
[21, 23, 24]
t
SD
DATAIN
t
HZWE
DATA OUT
DATA VALID
t
HD
t
LZWE
HIGH IMPEDANCE
C138-12
Semaphore Read After Write Timing, Either Side
[25]
t
AA
A
0
–A
2
VALID ADDRESS
t
AW
SEM
t
SCE
t
SD
I/O
0
t
SA
R/W
t
SWRD
OE
WRITE CYCLE
t
SOP
READ CYCLE
C138-13
t
OHA
VALID ADDRESS
t
ACE
t
SOP
t
HA
DATA
IN
VALID
t
PWE
t
HD
DATA
OUT
VALID
t
DOE
Notes:
24. Data I/O pins enter high impedance when OE is held LOW during write.
25. CE = HIGH for the duration of the above timing (both write and read cycle).
8