CY7C4245V-25ASC Cypress Semiconductor Corp, CY7C4245V-25ASC Datasheet - Page 15

• Manufacturer Part Number: CY7C4245V-25ASC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4245V-25ASC

• Configuration: Dual
• Density: 64Kb
• Access Time (max): 15ns
• Word Size: 18b
• Organization: 4Kx18
• 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 #: 38-06029 Rev. *D
D
Q
0
WCLK
WCLK
RCLK
–D
0
RCLK
WEN
WEN
REN
–q
REN
OE
17
HF
FF
17
DATA IN OUTPUT REGISTER
t
LOW
SKEW1
[14]
t
ENS
NO WRITE
(continued)
HALF FULL OR LESS
t
t
WFF
CLKH
t
t
A
ENH
Figure 11. Half-Full Flag Timing
Figure 10. Full Flag Timing
t
DS
t
ENS
DATA WRITE
t
ENH
t
CLKL
t
HF
DATAREAD
t
ENS
t
t
WFF
SKEW1
HALF FULL+1
[14]
OR MORE
t
ENS
NO WRITE
t
HF
CY7C4225V/4215V
CY7C4235V/4245V
t
WFF
t
t
A
ENH
HALF FULL OR LESS
NEXT DATA READ
DATA WRITE
Page 15 of 23
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