Cypress 256K (32K x 8) CY62256 Specification Sheet - Page 8

Browse online or download pdf Specification Sheet for Computer Hardware Cypress 256K (32K x 8) CY62256. Cypress 256K (32K x 8) CY62256 11 pages. 256k (32k x 8) static ram

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Cypress 256K (32K x 8) CY62256 Specification Sheet
Typical DC and AC Characteristics
TYPICAL POWER-ON CURRENT
vs. SUPPLY VOLTAGE
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.0
1.0
2.0
3.0
SUPPLY VOLTAGE (V)

Truth Table

CE
WE
OE
H
X
X
L
H
L
L
L
X
L
H
H

Ordering Information

Speed
(ns)
Ordering Code
55
CY62256LL 55SNI
CY62256LL 55ZI
70
CY62256 70SNC
CY62256L 70SNC
CY62256LL 70SNC
CY62256L–70SNI
CY62256LL 70SNI
CY62256LL 70ZC
CY62256LL 70ZI
CY62256 70PC
CY62256L 70PC
CY62256LL 70PC
CY62256LL 70ZRI
Document #: 38-05248 Rev. *B
(continued)
TYPICAL ACCESS TIME CHANGE
vs. OUTPUT LOADING
30.0
25.0
20.0
15.0
10.0
5.0
0.0
4.0
5.0
0
200
Inputs/Outputs
High-Z
Data Out
Data In
High-Z
Package
Name
SN28
28-lead (300-Mil Narrow Body) Narrow SOIC
Z28
28-lead Thin Small Outline Package
SN28
28-lead (300-Mil Narrow Body) Narrow SOIC
Z28
28-lead Thin Small Outline Package
Z28
P15
28-lead (600-Mil) Molded DIP
P15
P15
ZR28
28-lead Reverse Thin Small Outline Package
V
=4.5V
CC
T
=25 C
A
400
600
800
1000
CAPACITANCE (pF)
Mode
Deselect/Power-down
Read
Write
Deselect, Output Disabled
Package Type
CY62256
NORMALIZED I
vs.CYCLE TIME
CC
1.25
V
=5.0V
CC
T
=25 C
A
1.00
V
=0.5V
IN
0.75
0.50
10
20
30
CYCLE FREQUENCY (MHz)
Power
Standby (I
SB
Active (I
)
CC
Active (I
)
CC
Active (I
)
CC
40
)
Operating
Range
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
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