tc59lm814cft TOSHIBA Semiconductor CORPORATION, tc59lm814cft Datasheet - Page 20

• Manufacturer Part Number: tc59lm814cft
• Description: 4,194,304 / 8,388,608-words X 4 Banks X 16 / 8-bits Network Fcram
• Manufacturer: TOSHIBA Semiconductor CORPORATION

TIMING DIAGRAMS
SINGLE BANK READ TIMING (CL = 3)
SINGLE BANK READ TIMING (CL = 4)
Command
Command
BL = 2
BL = 4
BL = 2
BL = 4
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
DQS
DQS
DQS
DQS
CLK
CLK
CLK
CLK
DQ
DQ
DQ
DQ
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
RDA
RDA
I
I
RCD
0
0
RCD
=1 cycle
= 1 cycle
LAL
LAL
1
1
I
RC
I
RC
= 5 cycles
2
2
= 5 cycles
I
CL = 3
CL = 3
I
RAS
RAS
CL = 4
CL = 4
DESL
= 4 cycles
DESL
= 4 cycles
3
3
4
4
Q0
Q0
Q1
Q1
RDA
RDA
I
I
5
RCD
5
RCD
Q2 Q3
Q0
Q0
=1 cycle
= 1 cycle
Q1
Q1
LAL
LAL
6
6
Q2 Q3
TC59LM814/06CFT-50,-55,-60
I
RC
Hi-Z
Hi-Z
Hi-Z
Hi-Z
7
7
= 5 cycles
I
RC
I
CL = 3
CL = 3
I
RAS
RAS
= 5 cycles
CL = 4
CL = 4
DESL
= 4 cycles
DESL
= 4 cycles
Hi-Z
Hi-Z
Hi-Z
Hi-Z
8
8
9
9
2002-08-19 20/38
Q0 Q1
Q0 Q1
I
RCD
RDA
RDA
10
10
Q2 Q3
Q0 Q1
Q0 Q1
= 1 cycle
Q1
LAL
LAL
11
11
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Q2