CY7C4241V-15AXCT Cypress Semiconductor Corp, CY7C4241V-15AXCT Datasheet - Page 14

• Manufacturer Part Number: CY7C4241V-15AXCT
• Description: IC SYNC FIFO MEM 4KX9 32-TQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C4241V-15AXCT

• Function: Synchronous
• Memory Size: 36K (4K x 9)
• Data Rate: 100MHz
• Access Time: 10ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document #: 38-06010 Rev. *B
Switching Waveforms
Programmable Almost Full Flag Timing
Write Programmable Registers
Notes:
21. If a write is performed on this rising edge of the write clock, there will be Full – (m–1) words of the FIFO when PAF goes LOW.
22. PAF offset = m.
23. 64–m words for CY7C4421V, 256-m words in FIFO for CY7C4201V, 512–m words for CY7C4211V, 1024–m words for CY7C4221V, 2048–m words for
24. t
(if applicable)
WEN2/LD
CY7C4231V, 4096–m words for CY7C4241V, 8192–m words for CY7C4251V.
of RCLK and the rising edge of WCLK is less than t
SKEW2
WEN2
WEN1
WCLK
WCLK
D
REN1,
WEN1
RCLK
REN2
0
PAF
–D
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
8
t
t
CLKH
CLKH
FULL − (M+1) WORDS
(continued)
t
CLK
t
t
ENS
ENS
t
IN FIFO
DS
PAE OFFSET
t
t
ENS
ENS
LSB
SKEW2
t
t
ENH
ENH
t
t
CLKL
CLKL
, then PAF may not change state until the next WCLK.
t
ENH
t
DH
Note 21
[22]
PAE OFFSET
MSB
t
PAF
CY7C4421V/4201V/4211V/4221V
t
ENS
PAF OFFSET
t
SKEW2
FULL − M WORDS
LSB
CY7C4231V/4241V/4251V
IN FIFO
t
[24]
ENS
t
[23]
ENH
PAF OFFSET
MSB
t
PAF
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