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CY62256
Document #: 38-05248 Rev. *C
Page 9 of 12
Typical DC and AC Characteristics (continued)
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.0
2.0
3.0
4.0
SUPPLY VOLTAGE (V)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
30.0
25.0
20.0
15.0
10.0
5.0
0
200
400
600
800
CAPACITANCE (pF)
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
1.25
1.00
0.75
10
20
30
40
CYCLE FREQUENCY (MHz)
NORMALIZED I CC vs.CYCLETIME
0.0
5.0
0.0
1000
0.50
VCC =4.5V
TA =25°C
VCC =5.0V
TA =25°C
VIN =0.5V
Truth Table
CE
WE
OE
Inputs/Outputs
Mode
Power
H
X
X
High-Z
Deselect/Power-down
Standby (ISB)
L
H
L
Data Out
Read
Active (ICC)
L
L
X
Data In
Write
Active (ICC)
L
H
H
High-Z
Output Disabled
Active (ICC)
Ordering Information
Speed
(ns)
Ordering Code
Package
Name
Package Type
Operating
Range
55
CY62256LL
−55SNI
SN28
28-lead (300-Mil Narrow Body) Narrow SOIC
Industrial
CY62256LL
−55ZI
Z28
28-lead Thin Small Outline Package
CY62256LL
−55SNE
SN28
28-lead (300-Mil Narrow Body) Narrow SOIC
Automotive
CY62256LL
−55ZE
Z28
28-lead Thin Small Outline Package
CY62256LL
−55ZRE
ZR28
28-lead Reverse Thin Small Outline Package
70
CY62256
−70SNC
SN28
28-lead (300-Mil Narrow Body) Narrow SOIC
Commercial
CY62256L
−70SNC
CY62256LL
−70SNC
CY62256L–70SNI
Industrial
CY62256LL
−70SNI
CY62256LL
−70ZC
Z28
28-lead Thin Small Outline Package
Commercial
CY62256LL
−70ZI
Z28
Industrial
CY62256
−70PC
P15
28-lead (600-Mil) Molded DIP
Commercial
CY62256L
−70PC
P15
CY62256LL
−70PC
P15
CY62256LL
−70ZRI
ZR28
28-lead Reverse Thin Small Outline Package
Industrial
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