參數(shù)資料
型號: UPD4564441
廠商: Elpida Memory, Inc.
英文描述: 64M-bit Synchronous DRAM 4-bank, LVTTL
中文描述: 6400位同步DRAM 4銀行,LVTTL
文件頁數(shù): 42/85頁
文件大?。?/td> 919K
代理商: UPD4564441
Data Sheet E0149N10
42
μ
PD4564441, 4564841, 4564163
13.3 Relationship between Frequency and Latency
Speed version
-80
-10
-10B
Clock cycle time [ns]
8
10
10
13
10
15
Frequency [MHz]
125
100
100
77
100
67
/CAS latency
3
2
3
2
3
2
[t
RCD
]
3
2
2
2
3
2
/RAS latency (/CAS latency + [t
RCD
])
6
4
5
4
6
4
[t
RC
]
9
7
7
6
9
6
[t
RC1
]
9
7
7
6
9
6
[t
RAS
]
6
5
5
4
6
4
[t
RRD
]
2
2
2
2
2
2
[t
RP
]
3
2
2
2
3
2
[t
DPL
]
1
1
1
1
1
1
[t
DAL
]
4
3
3
3
4
3
[t
RSC
]
2
2
2
2
2
2
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