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
Minimum Power Clamp Current
(mA)
Minimum Ground Clamp Current
(mA)
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
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.1
0.1
1.0
1.0
2.5
2.5
4.7
4.7
6.8
6.8
9.1
9.1
11.0
13.5
16.0
18.2
21.0
11.0
13.5
16.0
18.2
21.0
Figure 20: Input Clamp Characteristics
25
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
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