Hynix HMP125U6EFR8C-S6 ユーザーズマニュアル
61
DDR2 Device Operations & Timing Diagram
4.4.2
Full
Strengt
h
Default
Pullup
Driver
Charac
teristic
s
Full
Strengt
h
Default
Pullup
Driver
Charac
teristic
s
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
VDDQ to VOUT (V)
-120
-100
-80
-60
-40
-20
0
P
u
llu
p
c
u
rr
e
n
t
(m
A
)
Minimum
Nominal
Default
Low
Nominal
Default
High
Maximum
Pullup Current (mA)
Voltage (V)
Minimum
(23.4 Ohms)
Nominal Default
Low (18 ohms)
Nominal Default
High (18 ohms)
Maximum
(12.6 Ohms)
0.2
0.3
0.4
0.5
0.4
0.5
0.6
0.7
0.8
0.9
0.7
0.8
0.9
1.0
1.2
1.3
1.4
1.5
1.4
1.5
1.6
1.7
1.8
1.9
1.7
1.8
1.9
1.1
-8.5
-12.1
-14.7
-16.4
-14.7
-16.4
-17.8
-18.6
-19.0
-19.3
-18.6
-19.0
-19.3
-19.7
-20.0
-20.1
-20.2
-20.3
-20.4
-20.6
-20.1
-20.2
-20.3
-20.4
-20.6
-19.9
-11.1
-16.0
-20.3
-24.0
-16.0
-20.3
-24.0
-27.2
-31.9
-33.4
-34.6
-33.4
-34.6
-35.5
-36.8
-37.2
-37.7
-38.0
-37.2
-37.7
-38.0
-38.4
-38.6
-29.8
-36.2
-11.8
-17.0
-22.2
-27.5
-22.2
-27.5
-32.4
-36.9
-40.8
-44.5
-36.9
-40.8
-44.5
-47.7
-52.5
-54.2
-55.9
-55.9
-57.1
-58.4
-59.6
-60.8
-58.4
-59.6
-60.8
-50.4
-15.9
-23.8
-31.8
-39.7
-31.8
-39.7
-47.7
-55.0
-62.3
-69.4
-55.0
-62.3
-69.4
-75.3
-84.6
-87.7
-90.8
-90.8
-92.9
-94.9
-97.0
-99.1
-94.9
-97.0
-99.1
-80.5
-101.1
Table 24. Default pullup characteristics for full strength output driver
Table 24. Default pullup characteristics for full strength output driver
Figure 62. DDR2 default pullup characteristics for full strength driver