CY7C4255V-15ASXC Cypress Semiconductor Corp, CY7C4255V-15ASXC Datasheet - Page 16

• Manufacturer Part Number: CY7C4255V-15ASXC
• Description: CY7C4255V-15ASXC
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C4255V-15ASXC

• Function: Synchronous
• Memory Size: 144K (8K x 18)
• Data Rate: 100MHz
• Access Time: 10ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switching Waveforms
Note
Document Number: 38-06012 Rev. *D
25. PAE is offset = n. Number of data words into FIFO already = n.
WCLK
PAE
RCLK
WEN
WCLK
REN
RCLK
WEN
REN
HF
[25]
(continued)
HALF FULL OR LESS
t
Figure 13. Programmable Almost Empty Flag Timing
CLKH
t
CLKH
Figure 12. Half Full Timing
t
ENS
t
ENS
t
ENH
t
ENH
t
CLKL
t
CLKL
t
t
PAE
HF
t
ENS
t
ENS
HALF FULL + 1
N + 1 WORDS
OR MORE
IN FIFO
CY7C4255V, CY7C4265V
CY7C4275V, CY7C4285V
t
t
PAE
HF
HALF FULL OR LESS
n WORDS IN FIFO
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