tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 16

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

FUNCTION TRUTH TABLE
Power Down Table
VW Truth Table
Mode Register Set Command Table
Auto-Refresh Command Table
Self-Refresh Command Table
Active
Auto-Refresh
Active
Self-Refresh Entry
Self-Refresh Continue
Self-Refresh Exit
Power Down Entry
Power Down Continue
Power Down Exit
SYMBOL
Notes: 7. For x16 device, LVW0 and LVW1 control DQ0~DQ7.
Notes: 8. Refer to “MODE REGISTER TABLE”.
Notes: 9.
BL=2
BL=4
COMMAND (SYMBOL)
FUNCTION
FUNCTION
FUNCTION
10.
11. When PD is brought to High from Low, this function is executed asynchronously.
MRS (2nd)
RDA (1st)
Write All Words
Write First One Word
Reserved
Write All Words
Write First Two Words
Write First One Word
UVW0 and UVW1 control DQ8~DQ15.
PD has to be brought to Low within t
PD should be brought to Low after DQ’s state turned high impedance.
COMMAND
COMMAND
COMMAND
(SYMBOL)
(SYMBOL)
(SYMBOL)
WRA (1st)
REF (2nd)
WRA (1st)
REF (2nd)
Function
SELFX
PDEN
PDEX


CS
L
L
Self-Refresh
Self-Refresh
Power Down
Power Down
CURRENT
CURRENT
CURRENT
(continued)
Standby
Standby
Standby
STATE
STATE
STATE
Active
Active
FN
H
×
FPDL
n − 1
n − 1
n − 1
H
H
H
H
H
L
L
L
L
from REF command.
VW0
PD
PD
PD
BA1~BA0
H
H
H
L
L
L
H
H
H
H
H
n
n
L
L
n
L
L
V
×
CS
CS
CS
H
H
H
L
L
L
L
×
×
A14~A9
FN
FN
FN
L
×
L
×
×
×
×
×
×
×
L
VW1
H
H
×
×
L
L
BA1~BA0 A14~A9
BA1~BA0 A14~A9
BA1~BA0 A14~A9
×
×
×
×
×
×
×
×
×
TC59LM814/06CTG-50,-60
A8
×
L
×
×
×
×
×
×
×
×
×
A7
V
×
A8
A8
A8
×
×
×
×
×
×
×
×
×
2005-06-21 16/39
A7
A7
A7
×
×
×
×
×
×
×
×
×
A6~A0
V
×
A6~A0 NOTES
A6~A0 NOTES
A6~A0 NOTES
×
×
×
×
×
×
×
×
×
Rev 1.2
NOTES
9, 10
8
10
11
11