CY7C4231V-25AXC Cypress Semiconductor Corp, CY7C4231V-25AXC Datasheet - Page 9
![IC SYNC FIFO MEM 2KX9 32-TQFP](/photos/6/51/65111/428-32-tqfp_sml.jpg)
CY7C4231V-25AXC
Manufacturer Part Number
CY7C4231V-25AXC
Description
IC SYNC FIFO MEM 2KX9 32-TQFP
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Datasheet
1.CY7C4231V-25AXC.pdf
(18 pages)
Specifications of CY7C4231V-25AXC
Function
Synchronous
Memory Size
18K (2K x 9)
Data Rate
100MHz
Access Time
15ns
Voltage - Supply
3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-TQFP
Configuration
Dual
Density
18Kb
Access Time (max)
15ns
Word Size
9b
Organization
2Kx9
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Clock Freq (max)
40MHz
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Supply Current
20mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C4231V-25AXC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Company:
Part Number:
CY7C4231V-25AXCT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Document #: 38-06010 Rev. *B
Switching Waveforms
Write Cycle Timing
Read Cycle Timing
Notes:
12. t
11. t
REN1,REN2
(if applicable)
REN1,REN2
between the rising edge of RCLK and the rising edge of WCLK is less than t
between the rising edge of WCLK and the rising edge of RCLK is less than t
SKEW1
SKEW1
WEN2
Q
D
WCLK
WEN1
WEN1
WEN2
WCLK
0
RCLK
RCLK
0
–D
–Q
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
is the minimum time between a rising WCLK edge and a rising RCLK edge to guarantee that EF will go HIGH during the current clock cycle. It the time
OE
FF
EF
8
8
t
ENS
t
OLZ
t
SKEW1
t
ENH
t
t
CLKH
[11]
CLKH
t
t
t
WFF
A
REF
t
OE
t
t
CLK
CKL
t
SKEW1
NO OPERATION
[12]
t
DS
t
t
CLKL
CLKL
t
ENS
SKEW1
SKEW1
, then FF may not change state until the next WCLK rising edge.
, then EF may not change state until the next RCLK rising edge.
CY7C4421V/4201V/4211V/4221V
t
VALID DATA
DH
t
ENH
t
REF
t
WFF
CY7C4231V/4241V/4251V
t
OHZ
NO OPERATION
NO OPERATION
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