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CY7C199-20PC 参数 Datasheet PDF下载

CY7C199-20PC图片预览
型号: CY7C199-20PC
PDF下载: 下载PDF文件 查看货源
内容描述: 32K x 8静态RAM [32K x 8 Static RAM]
分类和应用:
文件页数/大小: 13 页 / 319 K
品牌: CYPRESS [ CYPRESS SEMICONDUCTOR ]
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CY7C199
Switching Waveforms
(continued)
Write Cycle No. 1 (WE Controlled)
[10, 15, 16]
t
WC
ADDRESS
CE
t
AW
WE
t
SA
t
PWE
t
HA
OE
t
SD
DATA I/O
t
HZOE
DATA
IN
VALID
t
HD
Write Cycle No. 2 (CE Controlled)
[10, 15, 16]
t
WC
ADDRESS
CE
t
SA
t
AW
t
HA
t
SCE
WE
t
SD
DATA I/O
DATA
IN
VALID
t
HD
Write Cycle No. 3 (WE Controlled OE LOW)
[11, 16]
t
WC
ADDRESS
CE
t
AW
WE
t
SA
t
HA
t
SD
DATA I/O
t
HZWE
Notes:
15. Data I/O is high impedance if OE = V
IH
.
16. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
t
HD
DATA
IN
VALID
t
LZWE
Document #: 38-05160 Rev. *A
Page 6 of 13