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