IC42S32202-6B ICSI [Integrated Circuit Solution Inc], IC42S32202-6B Datasheet - Page 27

• Manufacturer Part Number: IC42S32202-6B
• Description: 512K x 32 Bit x 4 Banks (64-MBIT) SDRAM
• Manufacturer: ICSI [Integrated Circuit Solution Inc]

IC42S32202/L
Figure 4.Power on Sequene and Auto Refresh (CBR)
Integrated Circuit Solution Inc.
DR042-0C 08/17/2004
BS0, 1
DQM
CKE
RAS
ADD
CAS
CLK
A10
WE
DQ
CS
Hi-Z
for 200us
Inputs
must
be stable
T0 T1 T2 T3 T4 T5 T6 T7
High Level is Necessary
Precharge
Command
All Banks
High level
is required
t
RP
1st Auto
Refresh
Command
Minimum of 2 Refresh Cycles are required
T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
2nd Auto
Refresh
Command
t
RC
Mode
Set Command
Address Key
Register
t
MRS
Command
27