HYB25D256400BT Datasheet, PDF (49/77 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
Truth Table 5: Concurrent Auto Precharge
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 49 of 77
2003-01-09, V1.1