CY7C4225-15AC Cypress Semiconductor Corp, CY7C4225-15AC Datasheet - Page 10

IC SYNC FIFO MEM 1KX18 64LQFP

CY7C4225-15AC

Manufacturer Part Number
CY7C4225-15AC
Description
IC SYNC FIFO MEM 1KX18 64LQFP
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Datasheets

Specifications of CY7C4225-15AC

Function
Synchronous
Memory Size
18K (1K 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
Configuration
Dual
Density
18Kb
Access Time (max)
10ns
Word Size
18b
Organization
1Kx18
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
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
428-1217

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY7C4225-15AC
Manufacturer:
CYPRESS
Quantity:
13 888
Part Number:
CY7C4225-15AC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Programmable Almost Empty Flag Timing
Notes:
Programmable Almost Empty Flag Timing (applies only in SMODE (SMODE is LOW)
19. PAE offset – n. Number of data words into FIFO already = n.
20. PAE offset – n.
21. t
22. If a read is performed on this rising edge of the read clock, there will be Empty + (n – 1) words in the FIFO when PAE goes LOW.
PAE
WEN
WEN2
rising RCLK is less than t
WCLK
WCLK
SKEW3
RCLK
RCLK
WEN
REN
PAE
REN
]
[19]
is the minimum time between a rising WCLK and a rising RCLK edge for PAE to change state during that clock cycle. If the time between the edge of WCLK and the
t
CLKH
SKEW3
, then PAE may not change state until the next RCLK.
(continued)
t
SKEW3
t
CLKH
t
t
ENS
ENS
[21]
t
t
ENH
ENH
t
CLKL
Note
20
t
ENS
10
t
ENH
t
PAEsynch
t
CLKL
t
PAE
t
t
ENS
ENS
n+1 WORDS
N + 1 WORDS
IN FIFO
INFIFO
t
ENS
t
PAE
CY7C4425/4205/4215
CY7C4225/4235/4245
t
ENH
n WORDS IN FIFO
Note
22
t
PAEsynch
42X5–14
42X5–13

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