IS42G32256-7PQ 데이터 시트보기 (PDF) - Integrated Silicon Solution
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IS42G32256-7PQ Datasheet PDF : 52 Pages
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IS42G32256
ISSI ®
Table 3. Frequency vs. AC Parameter Relationships
IS42G32256: 7 ns (Unit: number of clocks)
Frequency
CAS
tRC
Latency 63 ns
tRAS
42 ns
tRP
21 ns
143 MHz (7 ns)
3
9
6
3
125 MHz (8 ns)
3
8
6
3
100 MHz (10 ns) 2
7
5
3
83 MHz (12 ns)
2
6
4
2
75 MHz (13.4 ns) 2
5
4
2
66 MHz (15 ns)
2
5
3
2
tRRD
14 ns
2
2
2
2
2
1
tRCD
20 ns
3
3
2
2
2
2
tCCD
7 ns
1
1
1
1
1
1
tCDL
7 ns
1
1
1
1
1
1
tRDL
7 ns
1
1
1
1
1
1
IS42G32256: 8 ns (Unit: number of clocks)
Frequency
CAS
tRC
Latency 70 ns
tRAS
48 ns
125 MHz (8 ns)
3
9
6
100 MHz (10 ns) 3
8
5
83 MHz (12 ns)
2
6
4
75 MHz (13.4 ns) 2
6
4
66 MHz (15 ns)
2
5
4
50 MHz (20 ns)
2
4
3
tRP
24 ns
3
3
2
2
2
2
tRRD
16 ns
2
2
2
2
2
1
tRCD
20 ns
3
2
2
2
2
1
tCCD
8 ns
1
1
1
1
1
1
tCDL
8 ns
1
1
1
1
1
1
tRDL
8 ns
1
1
1
1
1
1
IS42G32256: 10 ns (Unit: number of clocks)
Frequency
CAS
tRC
Latency 80 ns
tRAS
50 ns
100 MHz (10 ns) 3
8
5
83 MHz (12 ns)
3
7
5
71 MHz (14 ns)
2
6
4
66 MHz (15 ns)
2
6
4
50 MHz (20 ns)
2
4
3
40 MHz (25 ns)
2
4
2
tRP
26 ns
3
3
2
2
2
2
tRRD
20 ns
2
2
2
2
1
1
tRCD
20 ns
2
2
2
2
1
1
tCCD
10 ns
2
2
2
2
1
1
tCDL
10 ns
1
1
1
1
1
1
tRDL
10 ns
1
1
1
1
1
1
Integrated Silicon Solution, Inc.
5
ADVANCE INFORMATION SR037-0C
09/10/98
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