CY62256
Typical DC and AC Characteristics (continued)
TYPICAL POWER-ON CURRENT
TYPICAL ACCESS TIME CHANGE
NORMALIZED I vs.CYCLETIME
CC
vs. SUPPLY VOLTAGE
vs. OUTPUT LOADING
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
=5.0V
CC
T =25°C
A
V
IN
=0.5V
V
=4.5V
1.0
0.5
10.0
5.0
CC
T =25°C
A
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
H
L
L
L
WE
X
H
L
OE
X
L
X
H
Inputs/Outputs
High-Z
Data Out
Data In
High-Z
Mode
Deselect/Power-down
Power
Standby (ISB
Active (ICC
Active (ICC
Active (ICC
)
Read
Write
Output Disabled
)
)
)
H
Ordering Information
Speed
Package
Name
SN28
Operating
Range
Industrial
(ns)
Ordering Code
CY62256LL−55SNI
Package Type
28-lead (300-Mil Narrow Body) Narrow SOIC
55
CY62256LL−55ZI
CY62256LL−55SNE
CY62256LL−55ZE
CY62256LL−55ZRE
CY62256−70SNC
CY62256L−70SNC
CY62256LL−70SNC
CY62256L–70SNI
CY62256LL−70SNI
CY62256LL−70ZC
CY62256LL−70ZI
CY62256−70PC
Z28
SN28
Z28
ZR28
SN28
28-lead Thin Small Outline Package
28-lead (300-Mil Narrow Body) Narrow SOIC
28-lead Thin Small Outline Package
28-lead Reverse Thin Small Outline Package
28-lead (300-Mil Narrow Body) Narrow SOIC
Automotive
70
Commercial
Industrial
Z28
Z28
P15
P15
P15
ZR28
28-lead Thin Small Outline Package
28-lead (600-Mil) Molded DIP
Commercial
Industrial
Commercial
CY62256L−70PC
CY62256LL−70PC
CY62256LL−70ZRI
28-lead Reverse Thin Small Outline Package
Industrial
Document #: 38-05248 Rev. *C
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