tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 17

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

FUNCTION TRUTH TABLE
Idle
Row Active for Read
Row Active for Write
Read
Write
Auto-Refreshing
Mode Register
Accessing
Power Down
Self-Refreshing
Notes: 12. Illegal if any bank is not idle.
CURRENT STATE
13. Illegal to bank in specified states; Function may be legal in the bank inidicated by Bank Address (BA).
14. Illegal if t
FPDL
n − 1
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
is not satisfied.
PD
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
n
L
L
×
L
L
×
L
L
×
L
L
×
L
L
×
L
L
×
L
L
×
×
L
×
L
(continued)
CS
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
×
L
L
×
L
L
×
L
L
L
×
L
L
L
×
L
L
L
×
L
L
L
×
×
×
L
×
×
L
FN
H
H
H
H
H
×
L
×
×
×
×
×
×
×
×
×
×
×
×
×
×
L
×
×
×
×
L
×
×
×
×
L
×
×
×
×
L
×
×
×
×
×
×
×
×
×
×
×
ADDRESS COMMAND
Op-code
BA, UA
BA, UA
BA, UA
BA, UA
BA, UA
BA, UA
BA, UA
BA, UA
BA, UA
BA, UA
LA
LA
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
MRS/EMRS Access to Mode Register
MRS/EMRS Illegal
REF (self)
SELFX
PDEN
PDEN
PDEN
PDEN
PDEN
PDEN
PDEN
PDEX
DESL
DESL
DESL
DESL
DESL
WRA
WRA
WRA
WRA
WRA
RDA
RDA
RDA
RDA
RDA
REF
LAL
LAL


















NOP
Row activate for Read
Row activate for Write
Power Down Entry
Illegal
Refer to Power Down State
Begin Read
Illegal
Invalid
Begin Write
Auto-Refresh
Illegal
Self-Refresh Entry
Invalid
Continue Burst Read to End
Illegal
Illegal
Illegal
Illegal
Invalid
Data Write&Continue Burst Write to End
Illegal
Illegal
Illegal
Illegal
Invalid
NOP → Idle after I
Illegal
Illegal
Self-Refresh Entry
Illegal
Refer to Self-Refreshing State
NOP → Idle after I
Illegal
Illegal
Illegal
Illegal
Invalid
Invalid
Maintain Power Down Mode
Exit Power Down Mode → Idle after
t
Illegal
Invalid
Maintain Self-Refresh
Exit Self-Refresh → Idle after I
Illegal
PDEX
TC59LM814/06CTG-50,-60
ACTION
REFC
RSC
2005-06-21 17/39
REFC
Rev 1.2
NOTES
12
13
13
13
13
14