MT47H64M16HR-25EITH Datasheet, PDF (26/134 Pages) Micron Technology – DDR2 SDRAM MT47H256M4 – 32 Meg x 4 x 8 banks MT47H128M8 – 16 Meg x 8 x 8 banks MT47H64M16 – 8 Meg x 16 x 8 banks

1Gb: x4, x8, x16 DDR2 SDRAM
Electrical Specifications – I_DD Parameters
Electrical Specifications – I_DD Parameters
I_DD Specifications and Conditions
Table 8: General I_DD Parameters
I_DD Parameters
CL (I_DD)
t_{RCD (IDD)}
t_{RC (IDD)}
t_{RRD (IDD) - x4/x8 (1KB)}
t_{RRD (IDD) - x16 (2KB)}
t_{CK (IDD)}
t_{RAS MIN (IDD)}
t_{RAS MAX (IDD)}
t_{RP (IDD)}
t_{RFC (IDD - 256Mb)}
t_{RFC (IDD - 512Mb)}
t_{RFC (IDD - 1Gb)}
t_{RFC (IDD - 2Gb)}
t_{FAW (IDD) - x4/x8 (1KB)}
t_{FAW (IDD) - x16 (2KB)}
-187E
7
13.125
58.125
7.5
10
1.875
45
70,000
13.125
75
105
127.5
195
-25E
-25
-3E
-3
-37E
5
6
4
5
4
12.5
15
12
15
15
57.5
60
57
60
60
7.5
7.5
7.5
7.5
7.5
10
10
10
10
10
2.5
2.5
3
3
3.75
45
45
45
45
45
70,000 70,000 70,000 70,000 70,000
12.5
15
12
15
15
75
75
75
75
75
105
105
105
105
105
127.5
127.5
127.5
127.5
127.5
195
195
195
195
195
Defined by pattern in Table 9 (page 27)
Defined by pattern in Table 9 (page 27)
-5E
3
15
55
7.5
10
5
40
70,000
15
75
105
127.5
195
Units
t_CK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. V 6/10 EN
26
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