K4C89363AF
Multiple Bank Read Timing (CL=6)
0
CLK
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
l
R B D
=2cycles
RDA
LAL
RDA
LAL
DESL
RDA
l
R B D
= 2 c y c l e s
LAL
RDA
l
R B D
= 2 c y c l e s
LAL
RDA
l
R B D
= 2 c y c l e s
LAL
RDA
l
R B D
= 2 c y c l e s
LAL
RDA
Command
Address
UA
LA
UA
LA
UA
LA
UA
LA
UA
LA
UA
LA
UA
Bank Add.
Bank
"a"
Bank
"b"
l
R C
( B a n k " a " ) = 7 c y c l e s
l
R C
( B a n k " a " ) = 7 c y c l e s
Bank
"a"
Bank
"b"
Bank
"c"
Bank
"d"
Bank
"a"
Unidirectional DS/QS mode
BL =2
LDS/UDS
(Input)
Low
LQS/UQS
(Output)
CL=6
DQ
(Output)
Hi-Z
Q a 0 Qa1
Qb0 Q b 1
Q a 0 Qa1
CL=6
BL =4
LDS/UDS
(Input)
Low
LQS/UQS
(Output)
CL=6
DQ
(Output)
Hi-Z
Q a 0 Q a 1 Qa2 Q a 3 Qb0 Q b 1 Q b 2 Q b 3
Q a 0 Qa1 Q a 2
CL=6
Unidirectional DS/Free Running QS mode
BL =2
LDS/UDS
(Input)
LQS/UQS
(Output)
CL=6
DQ
(Output)
Hi-Z
CL=6
Q a 0 Qa1
Qb0 Q b 1
Q a 0 Qa1
BL =4
LDS/UDS
(Input)
LQS/UQS
(Output)
CL=6
DQ
(Output)
Hi-Z
CL=6
Q a 0 Q a 1 Qa2 Q a 3 Qb0 Q b 1 Q b 2 Q b 3
Q a 0 Qa1 Q a 2
- 34 -
REV. 0.0 Sep. 2002