CY62256N
Typical DC and AC Characteristics (continued)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
NORMALIZED ICC vs. CYCLE TIME
3.0
2.5
2.0
1.5
30.0
25.0
20.0
15.0
1.25
1.00
0.75
0.50
V
CC = 5.0V
TA = 25°C
VIN = 5.0V
V
CC = 4.5V
1.0
0.5
10.0
5.0
TA = 25°C
0.0
0.0
0.0
1.0
2.0
3.0
4.0
5.0
0
200 400
600 800 1000
10
20
30
40
SUPPLY VOLTAGE (V)
CAPACITANCE (pF)
CYCLE FREQUENCY (MHz)
Truth Table
CE
WE
OE
Inputs/Outputs
High-Z
Mode
Power
H
X
X
Deselect/Power-down
Read
Standby (ISB)
L
L
L
H
L
L
X
H
Data Out
Data In
High-Z
Active (ICC
Active (ICC
Active (ICC
)
)
)
Write
H
Output Disabled
Document #: 001-06511 Rev. *A
Page 9 of 13
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