CY7C4245-15ASC Cypress Semiconductor Corp, CY7C4245-15ASC Datasheet - Page 10
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CY7C4245-15ASC
Manufacturer Part Number
CY7C4245-15ASC
Description
IC SYNC FIFO MEM 4KX18 64LQFP
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Specifications of CY7C4245-15ASC
Function
Synchronous
Memory Size
72K (4K 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
72Kb
Access Time (max)
10ns
Word Size
18b
Organization
4Kx18
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
Lead Free Status / RoHS Status
Not Compliant, Contains lead / RoHS non-compliant
Other names
428-1225
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C4245-15ASC
Manufacturer:
CYPRESS
Quantity:
1 831
Company:
Part Number:
CY7C4245-15ASC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Document #: 38-06029 Rev. *C
Switching Characteristics
Switching Waveforms
Write Cycle Timing
Note:
14. t
t
t
t
t
t
t
XO
XI
XIS
SKEW1
SKEW2
SKEW3
Parameter
between the rising edge of RCLK and the rising edge of WCLK is less than t
SKEW1
D
0
WCLK
RCLK
–D
WEN
REN
is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that FF will go HIGH during the current clock cycle. If the time
17
FF
Clock to Expansion Out
Expansion in Pulse Width
Expansion in Set-up Time
Skew Time between Read Clock and Write Clock for
Full Flag
Skew Time between Read Clock and Write Clock for
Empty Flag
Skew Time between Read Clock and Write Clock for
Programmable Almost Empty and Programmable
Almost Full Flags.
t
SKEW1
Over the Operating Range (continued)
Description
t
[14]
CLKH
t
WFF
t
CLK
t
DS
t
CLKL
t
ENS
SKEW1
, then FF may not change state until the next WCLK edge.
7C42X5V-15
Min.
6.5
15
5
6
6
t
DH
t
ENH
Max.
10
t
WFF
CY7C4225V/4205V/4215V
CY7C4425V/4235V/4245V
7C42X5V-25
Min.
10
10
10
10
18
NO OPERATION
Max.
15
7C42X5V-35
Min.
14
15
12
12
20
Page 10 of 20
Max.
20
Unit
ns
ns
ns
ns
ns
ns
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