CY7C4292-10ASC Cypress Semiconductor Corp, CY7C4292-10ASC Datasheet - Page 13
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CY7C4292-10ASC
Manufacturer Part Number
CY7C4292-10ASC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C4292-10ASC.pdf
(16 pages)
Specifications of CY7C4292-10ASC
Configuration
Dual
Density
1.125Mb
Access Time (max)
8ns
Word Size
9b
Organization
128Kx9
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
40mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Not Compliant
Document #: 38-06009 Rev. *B
Switching Waveforms
Note:
21. t
22. PAE offset = n.
23. If a read is preformed on this rising edge of the read clock, there will be Empty + (n 1) words in the FIFO when PAE goes LOW
24. If a write is performed on this rising edge of the write clock, there will be Full
25. 16,384
26. t
Programmable Almost Empty Flag Timing
Programmable Almost Full Flag Timing
RCLK is less than t
the rising edge of WCLK is less than t
SKEW2
SKEW2
REN
RCLK
WCLK
WEN
PAE
WCLK
WEN
REN
RCLK
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 rising
is the minimum time between a rising RCLK edge and a rising WCLK edge for PAF to change during that clock cycle. If the time between the rising edge of RCLK and
PAF
m words for CY7C4282, 32,768
t
SKEW2
CLKH
t
CLKH
, then PAE may not change state until the next RCLK.
(continued)
FULL
SKEW2
t
SKEW2
, then PAF may not change state until the next WCLK.
(M+1)WORDS
IN FIFO
m words for CY4292.
t
[21]
ENS
t
ENS
t
ENH
t
ENH
t
CLKL
t
CLKL
Note [22]
t
PAE
Note
24
(m 1) words of the FIFO when PAF goes LOW.
t
PAF
t
t
ENS
ENS
t
SKEW2
FULL
N + 1 WORDS
IN FIFO
IN FIFO
t
t
ENS
ENS
[26]
M WORDS
t
[25]
t
ENH
ENH
Note
t
PAF
CY7C4282
CY7C4292
23
Page 13 of 16
t
PAE
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