CY7C4292-15ASC Cypress Semiconductor Corp, CY7C4292-15ASC Datasheet - Page 10

• Manufacturer Part Number: CY7C4292-15ASC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4292-15ASC

• Configuration: Dual
• Density: 1.125Mb
• Access Time (max): 10ns
• Word Size: 9b
• Organization: 128Kx9
• 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: 40mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06009 Rev. *B
Switching Waveforms
Notes:
14. t
15. t
Read Cycle Timing
Write Cycle Timing
edge of RCLK and the rising edge of WCLK is less than t
rising edge of WCLK and the rising edge of RCLK is less than t
Q
D
SKEW1
SKEW1
0
0
WCLK
WCLK
RCLK
RCLK
WEN
–D
–Q
WEN
REN
REN
OE
FF
EF
is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that FF will go HIGH during the current clock cycle. If the time between the rising
is also the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that EF will go HIGH during the current clock cycle. It the time between the
17
17
t
ENS
t
OLZ
t
SKEW1
t
ENH
t
[14]
t
CLKH
CLKH
t
t
t
WFF
A
REF
t
OE
SKEW1
SKEW2
t
t
, then FF may not change state until the next WCLK rising edge.
CLK
CLK
t
SKEW1
NO OPERATION
, then EF may not change state until the next RCLK rising edge.
[15]
t
DS
t
CLKL
t
CLKL
t
ENS
t
VALID DATA
DH
t
ENH
t
REF
t
WFF
t
OHZ
NO OPERATION
CY7C4282
CY7C4292
Page 10 of 16
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