IC42S16400A Datasheet, PDF (9/67 Pages) Integrated Circuit Solution Inc – 1M x 16Bit x 4 Banks (64-MBIT) SDRAM

IC42S16400A
Basic Features and Function Description
Simplified State Diagram
Mode
Register
Set
MRS
IDLE
Self
Refresh
SELFSeEnLtFryexit
REF
AUTO
Refresh
CKE
Power
Down
ROW
ACTIVE
CKE
CKE
Active
Power
Down
Write (Write recovery)
Read
WRITE CKE
SUSPEND _CKE
WRITE
Write with
Auto Precharge
WRITE A CKE
SUSPEND _CKE
WRITE A
Read (write recovery)
AutoRPeraedchwaitrhge
Write
(writ^A_e^Wu_re^rtoi_c^te_o^P_v^w_e^re_rⁱ_y^tc₎^hharge
READ
CKE
CKE
READ
SUSPEND
Read with
Auto Precharge
CKE
READ A
CKE
READA
SUSPEND
POWER
ON
Precharge
Integrated Circuit Solution Inc.
DR039-0A 02/19/2004
Precharge
Automatic sequence
Manual input
Note: After the AUTO refresh operation, precharge operation is
performed automatically and enter the IDLE state
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