CY7C4285V-25ASC Cypress Semiconductor Corp, CY7C4285V-25ASC Datasheet - Page 13
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CY7C4285V-25ASC
Manufacturer Part Number
CY7C4285V-25ASC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C4285V-25ASC.pdf
(21 pages)
Specifications of CY7C4285V-25ASC
Configuration
Dual
Density
1.125Mb
Access Time (max)
15ns
Word Size
18b
Organization
64Kx18
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
TQFP
Clock Freq (max)
40MHz
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Supply Current
30mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / Rohs Status
Not Compliant
Switching Waveforms
Document #: 38-06012 Rev. *B
Q
D
Q
D
0
0
WCLK
0
0
WCLK
RCLK
RCLK
–Q
–D
WEN
WEN
REN
–D
–Q
REN
OE
OE
EF
17
FF
17
17
17
t
DS
DATA IN OUTPUT REGISTER
t
LOW
SKEW1
t
ENS
[17]
t
ENS
NO WRITE
D0
t
SKEW2
(continued)
t
ENH
t
FRL
[21]
t
WFF
t
t
A
ENH
Figure 10. Empty Flag Timing
t
Figure 11. Full Flag Timing
REF
t
DS
DATA WRITE
t
A
t
REF
DATA READ
t
DS
t
t
SKEW1
WFF
t
ENS
[17]
t
ENS
CY7C4255V, CY7C4265V
CY7C4275V, CY7C4285V
D1
t
SKEW2
t
NO WRITE
ENH
t
FRL
[21]
t
WFF
t
t
A
ENH
D0
NEXT DATA READ
t
REF
DATA WRITE
Page 13 of 21
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