CY7C4255V-15ASI Cypress Semiconductor Corp, CY7C4255V-15ASI Datasheet - Page 20
CY7C4255V-15ASI
Manufacturer Part Number
CY7C4255V-15ASI
Description
IC FIFO 8KX18 SYNCHRONOUS 64QFP
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Datasheet
1.CY7C4255V-15ASXC.pdf
(24 pages)
Specifications of CY7C4255V-15ASI
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
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C4255V-15ASI
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Notes
Document Number: 38-06012 Rev. *D
37. Clocks are free-running in this case.
38. The flags may change state during Retransmit as a result of the offset of the read and write pointers, but flags are valid at t
39. For the synchronous PAE and PAF flags (SMODE), an appropriate clock cycle is necessary after t
HF/PAE/PAF
async flags
REN/WEN
RCLK
RXI
and all
FL/RT
EF/FF
(continued)
Figure 23. Retransmit Timing
Figure 22. Read Expansion In Timing
t
PRT
[37, 38, 39]
RTR
to update these flags.
t
XIS
t
XI
CY7C4255V, CY7C4265V
CY7C4275V, CY7C4285V
RTR
t
.
RTR
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