tc59lm818dmbi TOSHIBA Semiconductor CORPORATION, tc59lm818dmbi Datasheet - Page 17

• Manufacturer Part Number: tc59lm818dmbi
• Description: 288mbits Network Fcram2 I-version ? 4,194,304-words ? 4 Banks ? 18-bits
• Manufacturer: TOSHIBA Semiconductor CORPORATION

FUNCTION TRUTH TABLE
• The First Command
• The Second Command (The next clock of RDA or WRA command)
Read Command Table
Write Command Table
VW Truth Table
SYMBOL
SYMBOL
Command Truth Table (Notes: 4)
Notes: 1. L = Logic Low, H = Logic High, × = either L or H, V = Valid (specified value), BA = Bank Address, UA = Upper Address,
Notes: 5. A14~ A13 are used for Variable Write Length (VW) control at Write Operation.
Burst Length
DESL
WRA
RDA
MRS
REF
LAL
COMMAND (SYMBOL)
COMMAND(SYMBOL)
BL=2
BL=4
2. All commands are assumed to issue at a valid state.
3. All inputs for command (excluding PDEX) are latched on the crossing point of differential clock input where CLK goes to
4. Operation mode is decided by the combination of 1st command and 2nd command. Refer to “STATE DIAGRAM” and
WRA (1st)
RDA (1st)
LAL (2nd)
LAL (2nd)
Device Deselect
Read with Auto-close
Write with Auto-close
Lower Address Latch
Auto-Refresh
Mode Register Set
LA = Lower Address
High.
the command table below.
Write All Words
Write First One Word
Reserved
Write All Words
Write First Two Words
Write First One Word
FUNCTION
FUNCTION
Function
CS
H
L
CS
H
L
(Notes: 1, 2, 3)
FN
L
×
CS
H
L
L
CS
H
L
L
FN
H
×
BA1~
BA0
BA
×
FN
×
×
×
VW0
BA1~BA0
H
H
H
L
L
L
FN
H
×
L
VW0
BA
A14
UA
×
BA1~
BA0
×
×
V
BA1~BA0
VW1
A13
UA
A14~A9
BA
BA
×
UA
A14~
A13
×
V
×
L
VW1
H
H
×
×
L
L
A12
UA
×
A14~A9
A12~
A11
UA
UA
×
×
×
L
UA
A8
×
A11
UA
×
A10~A9
TC59LM818DMBI-37
×
×
L
A10~
UA
UA
A8
UA
A9
×
UA
A7
×
×
2005-03-07 17/55
A8
×
×
L
UA
A8
×
A6~A0
UA
UA
A7
UA
LA
×
A7
V
×
×
UA
A7
×
Rev 1.2
NOTES
A6~A0
A6~A0
UA
UA
A6~A0
×
LA
UA
LA
V
×