tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 15

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

FUNCTION TRUTH TABLE
• TC59LM806CTG
• The First Command
• The Second Command (The next clock of RDA or WRA command)
Read Command Table
Write Command Table
Command Truth Table (Notes: 4)
• TC59LM814CTG
SYMBOL
SYMBOL
Notes: 1. L = Logic Low, H = Logic High, × = either L or H, V = Valid (specified value), BA = Bank Address, UA = Upper Address,
Notes: 5. For x16 device, A7 is "
Notes: 6. A14~ A11 are used for Variable Write Length (VW) control at Write Operation.
DESL
WRA
RDA
MRS
REF
LAL
LAL
COMMAND (SYMBOL)
COMMAND (SYMBOL)
COMMAND (SYMBOL)
2. All commands are assumed to issue at a valid state.
3. All inputs for command (excluding SELFX and PDEX) are latched on the crossing point of differential clock input where
4. Operation mode is decided by the combination of 1st command and 2nd command. Refer to “STATE DIAGRAM” and
WRA (1st)
WRA (1st)
RDA (1st)
LAL (2nd)
LAL (2nd)
LAL (2nd)
Device Deselect
Read with Auto-close
Write with Auto-close
Lower Address Latch (×16)
Lower Address Latch (×8)
Auto-Refresh
Mode Register Set
LA = Lower Address
CLK goes to High.
the command table below.
FUNCTION
FUNCTION
CS
CS
H
L
H
L
×
CS
H
L
" (either L or H).
(Notes: 1, 2, 3)
FN
FN
L
×
L
×
CS
H
H
L
L
CS
H
L
L
FN
H
×
BA1~
BA1~
BA0
BA0
BA
BA
×
×
FN
×
×
×
×
BA1~BA0
FN
H
×
L
LVW0
VW0
BA
A14
A14
UA
UA
×
BA1~
BA0
×
×
×
V
BA1~BA0
LVW1
VW1
A13
A13
UA
UA
A14~A9
BA
BA
×
UA
A14~
A13
×
V
V
×
L
UVW0
A12
A12
UA
UA
×
A14~A9
A12~
TC59LM814/06CTG-50,-60
A11
UA
UA
V
×
×
×
L
UA
A8
×
UVW1
A11
A11
UA
UA
×
A10~A9
×
×
×
L
A10~
A10~
UA
UA
A8
UA
UA
A9
A9
×
UA
A7
LA
×
×
2005-06-21 15/39
A8
×
×
×
L
UA
UA
A8
A8
×
×
A6~A0
UA
UA
A7
UA
LA
×
A7
LA
V
×
×
UA
UA
A7
A7
LA
×
Rev 1.2
NOTES
A6~A0
A6~A0
UA
UA
A6~A0
A6~A0
×
5
LA
LA
UA
UA
LA
LA
V
×