FMP3217BAx
Power Up Sequence
1. Apply Power
2. Maintain stable power for a minimum of 200us with /CS=V
IH
CMOS LPRAM
Standby Mode State machines
Power On
/CS=V
IH
Wait 200us
Initial State
/CS=V
IH
, /ZZ=V
IH
/CS=V
IL
, /ZZ=V
IH
/UB or/and /LB=V
IL
/CS=V
IH
, /ZZ=V
IL
Active
Mode
/CS=V
IL
/ZZ=V
IH
/CS=V
IH
(or/and /UB=/LB=V
IH
)
/ZZ=V
IH
/CS=V
IH
/ZZ=V
IL
/CS=V
IL
/ZZ=V
IH
/CS=V
IH
, /ZZ=V
IL
Standby Mode
Low Power
Modes 1
(32M/16M/8M bits)
Low Power
Modes 2
(Data Invalid)
/CS=V
IH
, /ZZ=V
IL
Standby Mode Characteristics
Mode
Standby
Memory Cell Data
Valid
Invalid
¼ valid
Low Power Modes
�½ valid
valid
100 (ISB0b)
120 (ISB0c)
0
0
Standby Current(uA)
120 (ISB1)
10 (ISB0)
90 (ISB0a)
Wait Time(us)
0
200
0
6
Revision 0.3
Feb. 2007
FIDELIX [ FIDELIX ]
