CY7C4225-15ASC Cypress Semiconductor Corp, CY7C4225-15ASC Datasheet - Page 13

• Manufacturer Part Number: CY7C4225-15ASC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4225-15ASC

• Configuration: Dual
• Density: 18Kb
• Access Time (max): 10ns
• Word Size: 18b
• Organization: 1Kx18
• 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

Switching Waveforms
Document Number: 001-45652 Rev. **
D
Q
0
WCLK
RCLK
–D
0
WEN
REN
–q
WCLK
RCLK
WEN
OE
REN
17
FF
17
HF
DATA IN OUTPUT REGISTER
t
LOW
SKEW1
[18]
t
ENS
NO WRITE
(continued)
t
HALF FULL OR LESS
WFF
t
t
t
A
ENH
CLKH
Figure 12. Half-Full Flag Timing
Figure 11. Full Flag Timing
t
DS
t
ENS
DATA WRITE
t
ENH
t
CLKL
t
DATAREAD
HF
t
ENS
t
t
SKEW1
WFF
[18]
HALF FULL+1
t
OR MORE
ENS
NO WRITE
t
HF
CY7C4425/4205/4215
CY7C4225/4235/4245
t
WFF
t
t
A
ENH
HALF FULL OR LESS
NEXT DATA READ
DATA WRITE
Page 13 of 22
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