CY7C4255-10AC Cypress Semiconductor Corp, CY7C4255-10AC Datasheet - Page 10
CY7C4255-10AC
Manufacturer Part Number
CY7C4255-10AC
Description
IC DEEP SYNC FIFO 8KX18 64LQFP
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Specifications of CY7C4255-10AC
Function
Synchronous
Memory Size
144K (8K x 18)
Data Rate
100MHz
Access Time
8ns
Voltage - Supply
3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
Configuration
Dual
Density
144Kb
Access Time (max)
8ns
Word Size
18b
Organization
8Kx18
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
TQFP
Clock Freq (max)
100MHz
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
45mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
428-1230
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C4255-10AC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Document #: 38-06004 Rev. *E
Note
21. PAE is offset = n. Number of data words into FIFO already = n.
PAE
WCLK
WCLK
RCLK
RCLK
WEN
WEN
REN
REN
HF
[21]
(continued)
Figure 10. Programmable Almost Empty Flag Timing
HALF FULL OR LESS
t
t
CLKH
CLKH
Figure 9. Half-Full Flag Timing
t
t
ENS
ENS
t
t
ENH
ENH
t
t
CLKL
CLKL
t
PAE
t
HF
CY7C4255, CY7C4265, CY7C4265A
t
t
ENS
ENS
HALF FULL + 1
N + 1 WORDS
OR MORE
IN FIFO
t
PAE
t
HF
HALF FULLOR LESS
n WORDS IN FIFO
Page 10 of 23
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