CY7C4255-15AC Cypress Semiconductor Corp, CY7C4255-15AC Datasheet - Page 6
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CY7C4255-15AC
Manufacturer Part Number
CY7C4255-15AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C4255-15AC.pdf
(23 pages)
Specifications of CY7C4255-15AC
Configuration
Dual
Density
144Kb
Access Time (max)
10ns
Word Size
18b
Organization
8Kx18
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
TQFP
Clock Freq (max)
66.7MHz
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
45mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C4255-15AC
Manufacturer:
CYPRESS
Quantity:
591
Switching Characteristics
Document #: 38-06004 Rev. *E
t
t
t
t
t
Notes
Parameter
XI
XIS
SKEW1
SKEW2
SKEW3
10. C
11. C
12. Pulse widths less than minimum values are not enabled.
13. Values guaranteed by design, not currently tested.
14. t
PAFasynch
L
L
= 30 pF for all AC parameters except for t
= 5 pF for t
, t
Expansion in Pulse Width
Expansion in Set-Up Time
Skew Time between Read Clock and Write Clock
for Full Flag
Skew Time between Read Clock and Write Clock
for Empty Flag
Skew Time between Read Clock and Write Clock
for Programmable Almost Empty and Program-
mable Almost Full Flags (Synchronous Mode
only)
PAEasynch
OHZ
.
, after program register write is not be valid until 5 ns + t
Description
Over the Operating Range (continued)
OHZ
.
PAF(E)
Min
4.5
7C42X5-10
10
4
5
5
.
Max
CY7C4255, CY7C4265, CY7C4265A
7C4265A-15
Min
6.5
15
5
6
6
7C42X5,
Max
Min
7C42X5-25
10
10
10
10
18
Max
Min
7C42X5-35
14
15
12
12
20
Max
Page 6 of 23
Unit
ns
ns
ns
ns
ns
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