tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 21

• Manufacturer Part Number: tc59lm814
• Description: 256mbits Network Fcram1
• Manufacturer: TOSHIBA Semiconductor CORPORATION

SINGLE BANK WRITE TIMING (CL = 3)
SINGLE BANK WRITE TIMING (CL = 4)
Command
Command
BL = 2
BL = 4
BL = 2
BL = 4
(input)
(input)
(input)
(input)
(input)
(input)
(input)
(input)
DQS
DQS
DQS
DQS
CLK
CLK
CLK
CLK
DQ
DQ
DQ
DQ
Note:
WRA
WRA
I
I
RCD
RCD
0
0
= 1 cycle
= 1 cycle
means H or L
LAL
LAL
1
1
I
WL = 2
WL = 2
RC
I
RC
2
2
WL = 3
WL = 3
= 5 cycles
I
t
RAS
= 5 cycles
DQSS
I
RAS
DESL
DESL
= 4 cycles
= 4 cycles
D0 D1
D0 D1
3
3
t
DQSS
D0 D1
D0 D1
D2 D3
4
4
WRA
WRA
I
I
D2 D3
RCD
RCD
5
5
= 1 cycle
= 1 cycle
LAL
LAL
6
6
WL = 2
I
WL = 2
RC
I
RC
TC59LM814/06CTG-50,-60
WL = 3
WL = 3
7
7
= 5 cycles
I
t
RAS
= 5 cycles
I
DQSS
RAS
DESL
DESL
= 4 cycles
= 4 cycles
D0 D1
D0 D1 D2 D3
8
8
t
t
DQSS
DQSS
D0 D1
D0 D1 D2 D3
9
9
2005-06-21 21/39
WRA
WRA
I
10
10
RCD
= 1 cycle
LAL
LAL
Rev 1.2
11
11