CY62256-55 CYPRESS [Cypress Semiconductor], CY62256-55 Datasheet - Page 9

• Manufacturer Part Number: CY62256-55
• Description: 256K (32K x 8) Static RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

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