CY62256
Typical DC and AC Characteristics
(continued)
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
3.0
DELTA t
AA
(ns)
PO
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
30.0
NORMALIZED I
CC
25.0
20.0
15.0
10.0
5.0
V
CC
=4.5V
T
A
=25°C
1.25
NORMALIZED I
CC
vs.CYCLE TIME
2.5
2.0
1.5
1.0
0.5
0.0
0.0
1.0
2.0
3.0
4.0
5.0
NORMALIZED I
1.00
V
CC
=5.0V
T
A
=25°C
V
IN
=0.5V
0.75
0.0
0
200
400
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
)
Ordering Information
Speed
(ns)
55
Ordering Code
CY62256LL−55SNI
CY62256LL−55ZI
CY62256LL−55SNE
CY62256LL−55ZE
CY62256LL−55ZRE
70
CY62256−70SNC
CY62256L−70SNC
CY62256LL−70SNC
CY62256L–70SNI
CY62256LL−70SNI
CY62256LL−70ZC
CY62256LL−70ZI
CY62256−70PC
CY62256L−70PC
CY62256LL−70PC
CY62256LL−70ZRI
Z28
Z28
P15
P15
P15
ZR28
28-lead Reverse Thin Small Outline Package
Industrial
28-lead (600-Mil) Molded DIP
28-lead Thin Small Outline Package
Commercial
Industrial
Commercial
Industrial
Package
Name
SN28
Z28
SN28
Z28
ZR28
SN28
Package Type
28-lead (300-Mil Narrow Body) Narrow SOIC
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
Commercial
Automotive
Operating
Range
Industrial
Document #: 38-05248 Rev. *C
Page 9 of 12
CYPRESS [ CYPRESS SEMICONDUCTOR ]
