CY7C4251-15JCT Cypress Semiconductor Corp, CY7C4251-15JCT Datasheet - Page 13

• Manufacturer Part Number: CY7C4251-15JCT
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4251-15JCT

• Configuration: Dual
• Density: 64Kb
• Access Time (max): 15ns
• Word Size: 9b
• Organization: 8Kx9
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: PLCC
• Clock Freq (max): 40MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 35mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-06016 Rev. *D
(if applicable)
WEN2
Q
D
REN1,
WCLK
WEN1
RCLK
REN2
0
0
–D
–Q
OE
EF
8
8
LOW
t
DS
t
t
ENS
ENS
DATAWRITE1
t
SKEW1
DATA IN OUTPUT REGISTER
t
ENH
t
ENH
t
FRL
[19]
t
Figure 9. Empty Flag Timing
REF
t
A
t
REF
t
DS
t
t
ENS
ENS
DATAWRITE2
CY7C4421/4201/4211/4221
t
ENH
t
SKEW1
t
ENH
t
FRL
CY7C4231/4241/4251
DATA Read
[19]
t
REF
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