HYB18H1G321AF QIMONDA [Qimonda AG], HYB18H1G321AF Datasheet - Page 31

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

5.6
5.7
5.7.1
Figure 16
worst case conditions. The actual Driver Pull-Down and Pull-Up current must lie between these two bounding curves. The value
of the external ZQ resistor is 240 Ω, setting the nominal driver output impedance to 40 Ω.
Table 16
IV characteristics.
Rev. 0.92, 2007-10
06122007-MW7D-3G3M
Parameter
Input capacitance:
A0-A11,A12, , BA0-2, CKE, CS, CAS, RAS, WE, CKE,
RES,CLK,CLK
Input capacitance:
DQ0-DQ31, RDQS0-RDQS3, WDQS0-WDQS3, DM0-DM3
lists the numerical values of the minimum and maximum allowed values of the output driver Pull-Down and Pull-Up
represents the driver Pull-Down and Pull-Up IV characteristics under process, voltage and temperature best and
Pin Capacitances
Driver current characteristics
Driver IV characteristics at 40 Ohms
Pin Capacitances (VDDQ = 1.8 V, TA = 25°C, f = 1 MHz)
40 Ohm Driver Pull-Down and Pull-Up Characteristics
31
Symbol
CI,CCK
CIO
Min.
1.0
2.0
HYB18H1G321AF–10/11/14
Max.
2.5
3.0
Internet Data Sheet
FIGURE 16
Unit
pF
pF
TABLE 15
1-Gbit GDDR3
Note