¡ Semiconductor
MSM51V16400D/DSL
AC Characteristics (1/2)
(VCC = 3.3 V 0.3 V, Ta = 0°C to 70°C) Note 1, 2, 3, 11, 12
MSM51V16400MSM51V16400MSM51V16400
D/DSL-50
D/DSL-60
D/DSL-70
Parameter
Symbol
Unit Note
Min. Max. Min. Max. Min. Max.
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
tRC
tRWC
tPC
90
131
35
—
—
—
110
155
40
—
—
—
130
185
45
—
—
—
ns
ns
ns
Fast Page Mode Read Modify Write
Cycle Time
tPRWC
76
—
85
—
100
—
ns
Access Time from RAS
Access Time from CAS
Access Time from Column Address
Access Time from CAS Precharge
tRAC
tCAC
tAA
—
—
—
—
50
13
25
30
—
—
—
—
60
15
30
35
—
—
—
—
70
20
35
40
ns 4, 5, 6
ns
ns
ns
4, 5
4, 6
4
tCPA
Access Time from OE
Output Low Impedance Time from CAS
tOEA
tCLZ
—
0
13
—
13
13
50
64
128
—
—
0
15
—
15
15
50
64
128
—
—
0
20
—
20
20
50
64
128
—
ns
ns
ns
ns
ns
ms
ms
ns
4
4
7
7
3
CAS to Data Output Buffer Turn-off Delay Time tOFF
OE to Data Output Buffer Turn-off Delay Time
Transition Time
0
0
0
tOEZ
tT
tREF
tREF
tRP
0
3
—
—
30
0
3
—
—
40
0
3
—
—
50
Refresh Period
Refresh Period (SL version)
RAS Precharge Time
13
RAS Pulse Width
tRAS
50 10,000 60 10,000 70 10,000 ns
50 100,000 60 100,000 70 100,000 ns
RAS Pulse Width (Fast Page Mode)
RAS Hold Time
RAS Hold Time referenced to OE
CAS Precharge Time (Fast Page Mode)
CAS Pulse Width
tRASP
tRSH
tROH
tCP
13
13
7
—
—
—
15
15
10
—
—
—
20
20
10
—
—
—
ns
ns
ns
tCAS
tCSH
tCRP
tRHCP
tRCD
tRAD
tASR
tRAH
tASC
tCAH
tRAL
tRCS
tRCH
13 10,000 15 10,000 20 10,000 ns
CAS Hold Time
50
5
—
—
—
37
25
—
—
—
—
—
—
—
—
60
5
—
—
—
45
30
—
—
—
—
—
—
—
—
70
5
—
—
—
50
35
—
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CAS to RAS Precharge Time
RAS Hold Time from CAS Precharge
RAS to CAS Delay Time
RAS to Column Address Delay Time
Row Address Set-up Time
Row Address Hold Time
30
17
12
0
35
20
15
0
40
20
15
0
5
6
7
10
0
10
0
Column Address Set-up Time
Column Address Hold Time
Column Address to RAS Lead Time
Read Command Set-up Time
Read Command Hold Time
0
7
10
30
0
15
35
0
25
0
0
0
0
8
8
Read Command Hold Time referenced to RAS tRRH
0
0
0
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