CY7C4285V-25ASC Cypress Semiconductor Corp, CY7C4285V-25ASC Datasheet - Page 13

• Manufacturer Part Number: CY7C4285V-25ASC
• Manufacturer: Cypress Semiconductor Corp

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
[+] Feedback