Samsung SC32442B54, User Manual

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K5D2G13ACM-D075
Revision 1.0
December 2006
80
MCP MEMORY
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
CKE
CS
RAS
CAS
BA1
A10/AP
ADDR
WE
: Don’t care
CLOCK
Read & Write Cycle with Auto Precharge I @Burst Length=4
HIGH
RAa
RAa
Row Active Read with Precharge Row Active
Note:
1) When Read(Write) command with auto precharge is issued at A-Bank after A and B Bank activation.
- if Read(Write) command without auto precharge is issued at B-Bank before A-Bank auto precharge starts, A-Bank auto precharge will start
at B-Bank read command input point .
- any command can not be issued at A-Bank during t
RP
after A-Bank auto precharge starts.
BA0
(A-Bank) Auto Pre (B-Bank) (A-Bank)
Read without Auto
Precharge(B-Bank)
RBb RAc CAc CAa CBb
RBb
DAc0
DAc0
charge
(A-Bank)
Row Active
(B-Bank)
Auto Precharge
Start Point
(A-Bank)
Note1)
Write with
Auto Precharge
(A-Bank)
QAa1 QAa0 QBb0 QBb1 QBb3 QBb2
QAa1 QAa0 QBb0 QBb1 QBb3 QBb2
DAc1
DAc1
RAc
CL=3
CL=2
DQ
{
CL=3
CL=2
DQM
{
Hi-Z
Hi-Z