HY5PS1G421LM HYNIX [Hynix Semiconductor], HY5PS1G421LM Datasheet - Page 65
HY5PS1G421LM
Manufacturer Part Number
HY5PS1G421LM
Description
1Gb DDR2 SDRAM(DDP)
Manufacturer
HYNIX [Hynix Semiconductor]
Datasheet
1.HY5PS1G421LM.pdf
(79 pages)
- Current page: 65 of 79
- Download datasheet (6Mb)
Rev. 0.2 / Oct. 2005
5.4 Default Output V-I characteristics
DDR2 SDRAM output driver characteristics are defined for full strength default operation as selected by the
EMRS1 bits A7-A9 = ‘111’. The above Figures show the driver characteristics graphically, and tables show the
same data in tabular format suitable for input into simulation tools.
5.4.1 Full Strength Default Pulldown Driver Characteristics
Voltage (V) Minimum (23.4 Ohms)
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
1.9
120
100
80
60
40
20
0
0.2
0.3
0.4
12.1
14.7
16.4
17.8
18.6
19.0
19.3
19.7
19.9
20.0
20.1
20.2
20.3
20.4
20.6
8.5
0.5
0.6
Pulldow n Current (mA)
0.7
VOUT to VSSQ (V)
0.8
Nominal Default
Low (18 ohms)
0.9
11.3
16.5
21.2
25.0
28.3
30.9
33.0
34.5
35.5
36.1
36.6
36.9
37.1
37.4
37.6
37.7
37.9
1.0
1.1
1.2
1.3
Nominal Default
High (18 ohms)
1.4
1.5
11.8
16.8
22.1
27.6
32.4
36.9
40.9
44.6
47.7
50.4
52.6
54.2
55.9
57.1
58.4
59.6
60.9
1.6
1.7
1.8
Maximum (12.6 Ohms)
1.9
1HY5PS12421(L)M
Maximum
Minimum
HY5PS12821(L)M
Nominal
Nominal
Default
Default
101.1
High
Low
15.9
23.8
31.8
39.7
47.7
55.0
62.3
69.4
75.3
80.5
84.6
87.7
90.8
92.9
94.9
97.0
99.1
65
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