参数资料
型号: MB81N643289
厂商: Fujitsu Limited
英文描述: DRILL BIT HIGH SPEED STEEL .021,1
中文描述: 8 × 256K × 32位的双倍数据速率FCRAMTM
文件页数: 57/64页
文件大小: 1732K
代理商: MB81N643289
57
MB81N643289-50/-60
Preliminary (AE1E)
TIMING DIAGRAM – 3 : OUTPUT CONTROL (1)
V
DD
CAS
CS
PD
t
TLZ
Entry
DQ turn to Low-Z at CS=L and PD=H
DQ
0
to DQ
31
DQS
0
to DQS
3
t
THZ
DQ turn to High-Z at CS=H
CAS must not brought from High to Low
High-Z
High-Z
High-Z
Low-Z
Time (a)
Time (b)
Time (c)
Memory device
output buffer status
This is not bus line level
TIMING DIAGRAM – 4 : OUTPUT CONTROL (2)
V
DD
CAS
CS
PD
t
TLZ
Entry
DQ turn to Low-Z at CS=L and PD=H
DQ
0
to DQ
31
DQS
0
to DQS
3
t
THZ
CAS must not brought from High to Low
High-Z
High-Z
High-Z
Low-Z
Time (a)
Time (b)
Time (c)
Memory device
output buffer status
This is not bus line level
DQ turn to High-Z at PD=L
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