IS42S32200E Datasheet, PDF (42/59 Pages) Integrated Silicon Solution, Inc – 512K Bits x 32 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

IS42S32200E, IS45S32200E
Self-Refresh Cycle
CLK
T0
tCK
tCKS tCKH
CKE
tCMS tCMH
COMMAND _PRECHARGE
DQM0-DQM3
T1
tCH
T2
tCL
tCKS
NOP
Auto
Refresh
≥ tRAS
Tn+1
To+1
To+2
NOP
tCKS
NOP
Auto
Refresh
A0-A9
A10 ^{ALL BANKS}
BA0, BA1
SINGLE BANK
tAS tAH
BANK
DQ _High-Z
Precharge all
active banks
tRP
Enter self
refresh mode
tXSR
CLK stable prior to exiting Exit self refresh mode
self refresh mode (Restart refresh time base)
DON'T CARE
Note:
1. Self-Refresh Mode is not supported for A2 grade with Ta > 85^oC.
42
Integrated Silicon Solution, Inc. — www.issi.com
Rev.  B
07/23/09