K4S643232C Datasheet, PDF (27/43 Pages) Samsung semiconductor – 2M x 32 SDRAM 512K x 32bit x 4 Banks Synchronous DRAM LVTTL

K4S643232C
Power Up Sequence
CMOS SDRAM
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
CLOCK
CKE
High level is necessary
CS
tRP
tRC
RAS
CAS
ADDR
BA0
BA1
A10/AP
DQ
High-Z
Key
RAa
RAa
WE
DQM
High level is necessary
Precharge
(All Banks)
Auto Refresh
Auto Refresh
Mode Register Set
Row Active
(A-Bank)
: Don't care
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REV. 1.1 Nov. '99