CY7C4271-15AC Cypress Semiconductor Corp, CY7C4271-15AC Datasheet - Page 9

• Manufacturer Part Number: CY7C4271-15AC
• Description: IC FIFO 32KX9 SYNCHRONOUS 32QFP
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C4271-15AC

• Function: Synchronous
• Memory Size: 288K (32K x 9)
• Data Rate: 100MHz
• Access Time: 10ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Switching Waveforms
Notes
Document #: 38-06015 Rev. *D
14. t
15. t
the rising edge of RCLK and the rising edge of WCLK is less than t
the rising edge of WCLK and the rising edge of RCLK is less than t
SKEW1
SKEW1
REN1, REN2
REN1, REN2
(if applicable)
is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that FF goes HIGH during the current clock cycle. If the time between
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that EF goes HIGH during the current clock cycle. It the time between
Q
D
WEN2
0
0
WEN1
WCLK
WCLK
WEN1
WEN2
RCLK
RCLK
–D
–Q
OE
FF
EF
17
17
t
ENS
t
OLZ
t
SKEW1
t
ENH
t
t
CLKH
CLKH
[14]
t
t
t
WFF
A
REF
t
OE
Figure 6. Write Cycle Timing
Figure 7. Read Cycle Timing
t
t
CLK
CKL
t
SKEW1
SKEW1
SKEW2
NO OPERATION
, then FF may not change state until the next WCLK rising edge.
, then EF may not change state until the next RCLK rising edge.
[15]
t
DS
t
t
CLKL
CLKL
t
ENS
t
VALID DATA
DH
t
ENH
t
REF
t
WFF
t
OHZ
CY7C4261, CY7C4261
NO OPERATION
NO OPERATION
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