HYB25D256800BT Datasheet, PDF (20/29 Pages) Infineon Technologies AG – 256MBit Double Data Rata SDRAM

Truth Table 5: Concurrent Auto Precharge
HYB25D256[800/160]BT(L)-[5/5A]
256MBit Double Data Rata SDRAM
Preliminary DDR400 Data Sheet Addendum
From Command
WRITE w/AP
Read w/AP
To Command
(different bank)
Read or Read w/AP
Write ot Write w/AP
Precharge or Activate
Read or Read w/AP
Write or Write w/AP
Precharge or Activate
Minimum Delay with Con-
current Auto Precharge
Support
Units
1 + (BL/2) + tWTR
tCK
BL/2
tCK
1
tCK
BL/2
tCK
CL (rounded up)+ BL/2 tCK
1
tCK
Page 20 of 29
2003-01-10, V0.9