MT47H256M4 Datasheet, PDF (52/131 Pages) Micron Technology – DDR2 SDRAM

1Gb: x4, x8, x16 DDR2 SDRAM
Power and Ground Clamp Characteristics
Power and Ground Clamp Characteristics
Power and ground clamps are provided on the following input-only balls: Address balls,
bank address balls, CS#, RAS#, CAS#, WE#, ODT, and CKE.
Table 24: Input Clamp Characteristics
Voltage Across Clamp (V)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
Minimum Power Clamp Current
(mA)
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.1
1.0
2.5
4.7
6.8
9.1
11.0
13.5
16.0
18.2
21.0
Figure 20: Input Clamp Characteristics
25
Minimum Ground Clamp Current
(mA)
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.1
1.0
2.5
4.7
6.8
9.1
11.0
13.5
16.0
18.2
21.0
20
15
10
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8
Voltage Across Clamp (V)
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
52
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