HYB25D256400BT Datasheet, PDF (15/77 Pages) Infineon Technologies AG – 256-Mbit Double Data Rate SDRAM, Die Rev. B

HYB25D256[400/800/160]B[T/C](L)
256-Mbit Double Data Rate SDRAM, Die Rev. B
Extended Mode Register Definition
BA1 BA0 ^A12 A₁₁ A₁₀ A₉
A₈
A₇
A₆ A₅ A₄
A₃ A₂ A₁ A₀ Address Bus
0* 1*
Operating Mode
0
DS
DLL
Extended
Mode Register
An - A3
0
-
A2 - A0
Valid
-
Operating Mode
Normal Operation
All other states
Reserved
Drive Strength
A₁
Drive Strength
0
Normal
1
Weak
A₂
0
must be set to 0
* BA0 and BA1 must be 1, 0 to select the Extended Mode Register
(vs. the base Mode Register)
A₀
DLL
0
Enable
1
Disable
Page 15 of 77
2003-01-09, V1.1