FAMP0417CAX-W70E Datasheet, PDF (7/12 Pages) FIDELIX – 256K x 16 bit Super Low Power and Low Voltage Full CMOS RAM

FMP0417CAx-W70E
Power Up Sequence
1. Apply Power
2. Maintain stable power for a minimum of 200us with /CS=VIH
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
Active
Mode
/CS=V_IH, /ZZ=V_IL
/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
Standby Mode
/CS=V_IH, /ZZ=V_IL
/CS=V_IH, /ZZ=V_IL
Low Power
Modes 1
(4M/2M/1M bits)
Low Power
Modes 2
(Data Invalid)
Standby Mode Characteristics
Mode
Standby
Low Power Modes
Memory Cell Data
Valid
Invalid
¼ valid
½ valid
valid
Standby Current(uA)
70 (I_SB1)
10 (I_SB0)
55 (I_SB0a)
60 (I_SB0b)
70 (I_SB0c)
7
Wait Time(us)
0
200
0
0
0
Revision 0.0
Feb. 2008