CMP0817BAX-E Datasheet, PDF (6/12 Pages) FIDELIX – 512K x 16 bit Super Low Power and Low Voltage Full CMOS RAM

CMP0817BAx-E
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=VIH
Wait 200us
Initial State
/CS=V_IH, /ZZ=V_IH
/CS=VIL, /ZZ=VIH
/UB or/and /LB=V_IL
Active
Mode
/CS=V_IH, /ZZ=V_IL
/CS=VIlL
/ZZ=VIH
/CS=VIH
(or/and /UB=/LB=V_IH)
/ZZ=VIH
/CS=V_IH
/ZZ=V_IL
/CS=V_IlL
/ZZ=V_IH
Standby Mode
/CS=VIH, /ZZ=VIL
Low Power
Modes 1
(8M/4M/2M bits)
/CS=VIH, /ZZ=VIL
DPD
(Data Invalid)
Standby Mode Characteristics
Mode
Standby
Deep Power Down Mode
Low Power Modes
Memory Cell Data
Valid
Invalid
¼ valid
½ valid
valid
Standby Current(uA)
70 (ISB1)
10 (ISB0)
40 (ISB0a)
50 (ISB0b)
70 (ISB0c)
6
Wait Time(us)
0
200
0
0
0
Revision 0.5
Aug. 2006