CY7C4231V-25AC Cypress Semiconductor Corp, CY7C4231V-25AC Datasheet - Page 11
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CY7C4231V-25AC
Manufacturer Part Number
CY7C4231V-25AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C4231V-25AC.pdf
(18 pages)
Specifications of CY7C4231V-25AC
Configuration
Dual
Density
18Kb
Access Time (max)
15ns
Word Size
9b
Organization
2Kx9
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
TQFP
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
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY7C4231V-25AC
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
Document #: 38-06010 Rev. *B
Switching Waveforms
First Data Word Latency after Reset with Simultaneous Read and Write
Notes:
(if applicable)
16. When t
17. The first word is available the cycle after EF goes HIGH, always.
Q
+ t
D
WEN2
WEN1
WCLK
REN1,
0
RCLK
REN2
0
SKEW1
–D
–Q
OE
EF
SKEW1
8
8
. The Latency Timing applies only at the Empty Boundary (EF = LOW).
> minimum specification, t
t
ENS
t
DS
D
0
(FIRSTVALID WRITE)
(continued)
FRL
t
SKEW1
(maximum) = t
t
OLZ
t
FRL
CLK
[16]
+ t
SKEW1
t
D
REF
1
. When t
SKEW1
t
OE
< minimum specification, t
CY7C4421V/4201V/4211V/4221V
t
A
D
[17]
2
CY7C4231V/4241V/4251V
FRL
(maximum) = either 2*t
D
0
D
t
A
3
CLK
Page 11 of 18
+ t
SKEW1
D
1
D
or t
4
CLK
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