tc59lm818dmg TOSHIBA Semiconductor CORPORATION, tc59lm818dmg Datasheet - Page 38

• 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
CL = 4
CL = 5
CL = 6
CL = 4
CL = 5
CL = 6
Address
(output)
(output)
(output)
(output)
(output)
(output)
MULTIPLE BANK READ-WRITE TIMING (BL = 4)
(input)
(input)
(input)
(input)
(input)
(input)
CLK
CLK
QS
DQ
QS
DQ
QS
DQ
QS
DQ
QS
DQ
QS
DQ
DS
DS
DS
DS
DS
DS
Note: l
WRA
Bank
UA
"a"
I
0
RBD
Low
Hi-Z
Low
Hi-Z
Low
Hi-Z
Hi-Z
Hi-Z
Hi-Z
I
WRD
RC
= 2 cycles
LAL
LA
to the same bank must be satisfied.
1
= 1 cycle
WL = 3
WL = 4
WL = 5
WL = 3
WL = 4
WL = 5
Bank
RDA
UA
"b"
2
LAL
LA
3
I
RWD
Da0 Da1 Da2 Da3
Da0 Da1 Da2 Da3
4
DESL
= 3 cycles
CL = 4
CL = 4
CL = 5
Da0 Da1 Da2 Da3
Da0 Da1 Da2 Da3
5
I
RC
CL = 5
WRA
Bank
(Bank"a")
CL = 6
UA
"c"
Da0 Da1 Da2 Da3
Da0 Da1 Da2 Da3
CL = 6
6
I
WRD
LAL
LA
7
Qb0 Qb1
Qb0 Qb1
= 1 cycle
I
Bank
RDA
RC
UA
"d"
8
Qb0 Qb1
Qb2 Qb3
Qb2 Qb3
Qb0 Qb1
(Bank"b")
LAL
LA
9
Qb2 Qb3
Qb2 Qb3
Qb0 Qb1
Qb0 Qb1
I
RWD
Dc0 Dc1 Dc2 Dc3
Dc0 Dc1 Dc2 Dc3
10
Qb2 Qb3
Qb2 Qb3
TC59LM818DMG-33,-40
DESL
= 3 cycles
Dc0 Dc1 Dc2 Dc3
Dc0 Dc1 Dc2 Dc3
11
WRA
Bank
Dc0 Dc1 Dc2 Dc3
UA
"a"
Dc0 Dc1 Dc2 Dc3
12
2005-10-19 38/57
I
WRD
LAL
13
LA
Qd0 Qd1 Qd2 Qd3
Qd0 Qd1 Qd2 Qd3
= 1 cycle
Bank
RDA
"b"
14
UA
Qd0 Qd1 Qd2 Qd3
Qd0 Qd1 Qd2 Qd3
Rev 1.4
LAL
LA
15
Qd0 Qd1
Qd0 Qd1