tc59lm818dmg TOSHIBA Semiconductor CORPORATION, tc59lm818dmg Datasheet - Page 34

• Manufacturer Part Number: tc59lm818dmg
• Description: 288mbits Network Fcram2 ? 4,194,304-words ? 4 Banks ? 18-bits
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Unidirectional DS/QS mode
Unidirectional DS/Free Running QS mode
Bank Add.
Command
BL = 2
BL = 4
BL = 2
BL = 4
Address
(output)
(output)
(output)
(output)
MULTIPLE BANK WRITE TIMING (CL = 4)
(input)
(input)
(input)
(input)
(input)
(input)
(input)
(input)
CLK
CLK
QS
DQ
QS
DQ
QS
DQ
QS
DQ
DS
DS
DS
DS
Note: l
WRA
Bank
UA
"a"
0
I
RBD
Low
Low
RC
= 2 cycles
LAL
LA
I
to the same bank must be satisfied.
1
RC
(Bank"a") = 5 cycles
WRA
Bank
UA
"b"
2
WL = 3
WL = 3
WL = 3
WL = 3
LAL
LA
I
3
RC
(Bank"b") = 5 cycles
DESL
Da0 Da1
Da0 Da1 Da2Da3Db0Db1Db2Db3
Da0 Da1
Da0 Da1 Da2Da3Db0Db1Db2Db3
4
WL = 3
WL = 3
WL = 3
WL = 3
I
WRA
Bank
RBD
UA
"a"
5
= 2 cycles I
LAL
Db0Db1
Db0Db1
LA
6
WRA
Bank
UA
"b"
7
RBD
= 2 cycles I
LAL
LA
8
WRA
Bank
Da0Da1
Da0Da1Da2Da3Db0Db1 Db2 Db3 Dc0 Dc1 Dc2 Dc3
Da0Da1
Da0Da1Da2Da3Db0Db1 Db2 Db3 Dc0 Dc1 Dc2 Dc3
UA
"c"
9
RBD
LAL
= 2 cycles I
LA
10
TC59LM818DMG-33,-40
WRA
Bank
UA
Db0Db1
Db0Db1
"d"
11
RBD
LAL
LA
12
= 2 cycles
2005-10-19 34/57
WRA
Bank
UA
Dc0 Dc1
Dc0 Dc1
"a"
13
LAL
LA
14
Rev 1.4
WRA
Bank
Dd0Dd1
Dd0Dd1
Dd0Dd1
Dd0Dd1
UA
"b"
15