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WCMA4016U4X-FF70 参数 Datasheet PDF下载

WCMA4016U4X-FF70图片预览
型号: WCMA4016U4X-FF70
PDF下载: 下载PDF文件 查看货源
内容描述: 256K ×16静态RAM [256K x 16 Static RAM]
分类和应用:
文件页数/大小: 12 页 / 220 K
品牌: WEIDA [ WEIDA SEMICONDUCTOR, INC. ]
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WCMA4016U4X
Switching Waveforms
(continued)
Write Cycle No. 1 (WE Controlled)
t
WC
ADDRESS
t
SCE
CE
t
AW
WE
t
SA
t
PWE
t
HA
BHE/BLE
t
BW
OE
t
SD
DATA I/O
NOTE
t
HZOE
t
HD
DATA
IN
VALID
Write Cycle No. 2 (CE Controlled)
t
WC
ADDRESS
t
SCE
CE
t
SA
t
AW
t
PWE
t
HA
WE
BHE/BLE
t
BW
OE
t
SD
DATA I/O
NOTE 18
t
HZOE
DATA
IN
VALID
t
HD
Notes:
16. Data I/O is high-impedance if OE = V
IH
.
17. If CE goes HIGH simultaneously with WE HIGH, the output remains in a high-impedance state.
18. During this period, the I/Os are in output state and input signals should not be applied.
7