sg2567rdr212452ia ETC-unknow, sg2567rdr212452ia Datasheet - Page 18

• Manufacturer Part Number: sg2567rdr212452ia
• Description: Dram Module Ddr2 Sdram 2gbyte 240rdimm
• Manufacturer: ETC-unknow

ODT DC Electrical Characteristics
Notes:
1. R
2. Measured voltage (VM) at tested pin with no load.
Output DC Current Drive
Notes:
1. For I
2. For I
3. The DC value of V
4. The values of I
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Parameter
R
setting EMR (A6, A2) = 0, 1
R
setting EMR (A6, A2) = 1, 0
R
setting EMR (A6, A2) = 1, 1
Deviation of VM with respect to V
Parameter
Output Minimum Source DC Current
Output Minimum Sink DC Current
TT
TT
TT
measure current I(V
between V
and 280mV.
device drive current capability to ensure V
delivered to an SSTL_18 receiver. The actual current values are derived by shifting the desired driver operating
point along a 21Ω load line to define a convenient driver current for measurement.
TT1(EFF)
effective impedence value for 75Ω
effective impedence value for 150Ω
effective impedence value for 50Ω
OL
OH
(DC); V
(DC); V
DDQ
and R
OH
DDQ
DDQ
and V
TT2(EFF)
(DC) and I
REF
IH(AC)
= 1.7V, V
= 1.7V, V
DDQ
applied to the receiving device is set to V
) and I(V
are determined by applying V
- 280mV.
OL
OUT
OUT
DDQ
(DC) are based on the conditions given in Notes 1 and 2. They are used to test
= 280mV. V
IL(AC)
/2
= 1420mV. (V
ΔVM
) respectively.
IH
R
R
R
Symbol
TT1(EFF)
TT2(EFF)
TT3(EFF)
=
min plus a noise margin and V
ΔVM
OUT
⎛
⎜
⎝
2
------------------- - 1
V DDQ
OUT
×
/I
OL
VM
Symbol
- V
must be less than 21Ω for values of V
R TT EFF
–
I
I
IH(AC)
OH
OL
DDQ
⎞
⎟
⎠
Min
120
60
40
-6
×
(
)/I
100
and V
OH
TT
)
%
.
SG2567RDR212452UU
must be less than 21Ω for values of V
=
IL(AC)
-13.4
13.4
Min
------------------------------------------------------------------ -
I V IH AC
Nom
(
150
75
50
V IH AC
IL
to pin under test separately, then
(
(
max minus a noise margin are
)
) V
) I V IL AC
–
–
Max
Max
180
90
60
+6
(
-
-
IL AC
(
(
)
OUT
July 31, 2007
)
Unit
Unit
)
mA
mA
%
Ω
Ω
Ω
between 0V
Notes
1
1
1
2
Notes
1, 3, 4
2, 3, 4
OUT
18