Preliminary
VG3617161DT
16Mb CMOS Synchronous Dynamic RAM
VIS
Basic Features and Function description
1.Simplified State Diagram
Self
Refresh
Mode
Register
Set
MRS
AUTO
REF
IDLE
Refresh
Power
Down
Active
Power
Down
CKE
ROW
ACTIVE
CKE
Read
Write
READ
SUSPEND
Read
CKE
CKE
CKE
CKE
WRITE
SUSPEND
READ
WRITE
Write
Write with
Auto Precharge
Read with
Auto Precharge
CKE
READ A
WRITE A
SUSPEND
CKE
WRITE A
READ A
SUSPEND
CKE
CKE
Precharge
POWER
Precharge
ON
Automatic sequence
Manual input
Note: After the AUTO refresh operation, precharge operation is
performed automatically and enter the IDLE state
Document:1G5-0160
Rev.1
Page 9