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| HYB18TC256160AF_1 Datasheet, PDF (14/55 Pages) Qimonda AG – 256-Mbit Double-Data-Rate-Two SDRAM DDR2 SDRAM | |||
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Internet Data Sheet
HYB18TC256160AF
256-Mbit Double-Data-Rate-Two SDRAM
Field
RTT
Bits Type1)
6,2 w
DIC
1
w
DLL
0
w
1) w = write only register bits
Description
Nominal Termination Resistance of ODT
Note: See Table 20 âODT DC Electrical Characteristicsâ on Page 21
00B RTT â (ODT disabled)
01B RTT 75 Ohm
10B RTT 150 Ohm
11B RTT 50 Ohm
Off-chip Driver Impedance Control
0B DIC Full (Driver Size = 100%)
1B DIC Reduced
DLL Enable
0B DLL Enable
1B DLL Disable
Rev. 1.20, 2007-04
14
03062006-H3V1-XJT4
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