NT5SV16M4DT 查看數據表（PDF） - Nanya Technology
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NT5SV16M4DT Datasheet PDF : 21 Pages
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NT5SV16M4DT
NT5SV8M8DT
NT5SV4M16DT
64Mb Synchronous DRAM
Clock and Clock Enable Parameters
Symbol
Parameter
-6K
Min. Max.
-7K
Min. Max.
-7
Min. Max.
tCK3
tCK2
tAC3 (A)
tAC2 (A)
tAC3 (B)
tAC2 (B)
tCKH
tCKL
tCES
tCEH
tSB
tT
Clock Cycle Time, CAS Latency = 3
Clock Cycle Time, CAS Latency = 2
Clock Access Time, CAS Latency = 3
Clock Access Time, CAS Latency = 2
Clock Access Time, CAS Latency = 3
Clock Access Time, CAS Latency = 2
Clock High Pulse Width
Clock Low Pulse Width
Clock Enable Set-up Time
Clock Enable Hold Time
Power down mode Entry Time
Transition Time (Rise and Fall)
6
1000
7
1000
7
1000
7.5
1000
7.5
1000
10
1000
—
—
—
—
—
—
—
—
—
—
—
—
—
5.4
—
5.4
—
5.4
—
5.4
—
5.4
—
6
2.5
—
2.5
—
3
—
2.5
—
2.5
—
3
—
1.5
—
1.5
—
2
—
0.8
—
0.8
—
1
—
0
6
0
7
0
7.5
0.5
10
0.5
10
0.5
10
1. Access time is measured at 1.4V. See AC Characteristics: notes 1, 2, 3, 4, 5 and load circuit A.
2. Access time is measured at 1.4V. See AC Characteristics: notes 1, 2, 3, 6, 7 and load circuit B.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Common Parameters
Symbol
Parameter
tCS
tCH
tAS
tAH
tRCD
tRC
tRAS
tRP
tRRD
Command Setup Time
Command Hold Time
Address and Bank Select Set-up Time
Address and Bank Select Hold Time
RAS to CAS Delay
Bank Cycle Time
Active Command Period
Precharge Time
Bank to Bank Delay Time
-6K
Min. Max.
1.5
—
0.8
—
1.5
—
0.8
—
15
—
48
—
36
100K
15
—
12
—
-7K
Min. Max.
1.5
—
0.8
—
1.5
—
0.8
—
15
—
52
—
37
100K
15
—
14
—
-7
Min. Max.
1.5
—
0.8
—
1.5
—
0.8
—
20
—
63
—
42
100K
20
—
14
—
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
1. These parameters account for the number of clock cycle and depend on the operating frequency of the clock, as follows:
the number of clock cycles = specified value of timing / clock period (count fractions as a whole number).
Notes
1
1
2
2
Notes
1
1
1
1
1
Mode Register Set Cycle
Symbol
Parameter
tRSC Mode Register Set Cycle Time
-6K
Min. Max.
12
—
-7K
Min.
Max.
14
—
-7
Min. Max.
14
—
Units
ns
REV 1.1
10/01
17
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NANYA TECHNOLOGY CORP. reserves the right to change Products and Specifications without notice.
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