MSM54V16272 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM54V16272 Datasheet PDF : 39 Pages
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¡ Semiconductor
MSM54V16272
AC Characteristics (1/3)
Parameter
Random Read or Write Cycle Time
Read Modify Write Cycle
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write Cycle Time
Access Time from RAS
Access Time from Column Address
Access Time from CAS
Access Time from CAS Precharge
Output Buffer Turn-off Delay
Transition Time (Rise and Fall)
RAS Precharge Time
RAS Pulse Width
RAS Pulse Width (Fast Page Mode Only)
RAS Hold Time
CAS Hold Time
CAS Pulse Width
RAS to CAS Delay Time
RAS to Column Address Delay Time
Column Address to RAS Lead Time
CAS to RAS Precharge Time
CAS Precharge Time (Fast Page Mode)
Row Address Set-up Time
Row Address Hold Time
Column Address Set-up Time
Column Address Hold Time
Column Address Hold Time referenced to RAS
Read Command Set-up Time
Read Command Hold Time
Read Command Hold Time referenced to RAS
Write Command Set-up Time
Write Command Hold Time
Write Command Hold Time referenced to RAS
Write Command Pulse Width
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Symbol
tRC
tRWC
tPC
tPRWC
tRAC
tAA
tCAC
tCPA
tOFF
tT
tRP
tRAS
tRASP
tRSH
tCSH
tCAS
tRCD
tRAD
tRAL
tCRP
tCP
tASR
tRAH
tASC
tCAH
tAR
tRCS
tRCH
tRRH
tWCS
tWCH
tWCR
tWP
tRWL
tCWL
-60
Min. Max.
104 —
140 —
30
—
76
—
—
60
—
30
—
15
—
35
0
15
2
35
40
—
60 10k
60 100k
15
—
45
—
15 10k
15
42
12
30
30
—
5
—
10
—
0
—
10
—
0
—
10
—
50
—
0
—
0
—
0
—
0
—
10
—
50
—
10
—
15
—
15
—
-70
Min. Max.
124 —
170 —
35
—
81
—
—
70
—
35
—
20
—
40
0
17
2
35
50
—
70 10k
70 100k
20
—
55
—
15 10k
15
50
12
35
35
—
10
—
10
—
0
—
10
—
0
—
10
—
55
—
0
—
0
—
0
—
0
—
10
—
55
—
10
—
15
—
15
—
Unit Note
ns
ns
ns
ns
ns 8, 14
ns 8, 14
ns 8, 15
ns 8, 15
ns 10
ns 7
ns
ns
ns
ns
ns
ns
ns 14
ns 14
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns 11
ns 11
ns 13
ns
ns
ns
ns
ns
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