HYB18H1G321AF QIMONDA [Qimonda AG], HYB18H1G321AF Datasheet - Page 30

• Manufacturer Part Number: HYB18H1G321AF
• Description: GDDR3 Graphics RAM 1-Gbit GDDR3 Graphics RAM
• Manufacturer: QIMONDA [Qimonda AG]

5.4
1) All voltages referenced to
2)
3) The value of
5.5
Rev. 0.92, 2007-10
06122007-MW7D-3G3M
Parameter
Clock Input Mid-Point Voltage, CLK and CLK
Clock Input Voltage Level, CLK and CLK
Clock DC Input Differential Voltage, CLK and CLK
Clock AC Input Differential Voltage, CLK and CLK
AC Differential Crossing Point Input Voltage
V
ID
is the magnitude of the difference between the input level on CLK and the input level on CLK.
V
IX
is expected to equal 0.7 ×
Differential Clock DC and AC Levels
Output Test Conditions
V
SS.
V
DDQ
of the transmitting device and must track variations in the DC level of the same.
Differential Clock DC and AC Input conditions (0 °C ≤ T
DQS
DQ
Symbol
V
V
V
V
V
MP(DC)
IN(DC)
ID(DC)
ID(AC)
IX(AC)
30
Min.
0.7 ×
0.42
0.3
0.5
0.7 ×
60 Ohm
Test point
V
DDQ
V
V
DDQ
DDQ
– 0.10
– 0.15
Limit Values
Max.
0.7 ×
V
V
V
0.7 ×
DDQ
DDQ
DDQ
+ 0.5
V
+ 0.3
V
HYB18H1G321AF–10/11/14
DDQ
DDQ
+ 0.10
+ 0.15
Output Test Circuit
Internet Data Sheet
FIGURE 15
Unit
V
V
V
V
V
TABLE 14
1-Gbit GDDR3
c
≤ 95 °C)
Note
1)
1)
1)
1)2)
1)3)