CY7C4291-10JXC Cypress Semiconductor Corp, CY7C4291-10JXC Datasheet - Page 13
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CY7C4291-10JXC
Manufacturer Part Number
CY7C4291-10JXC
Description
IC DEEP SYNC FIFO 128KX9 32-PLCC
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Datasheet
1.CY7C4291-10JXC.pdf
(16 pages)
Specifications of CY7C4291-10JXC
Function
Synchronous
Memory Size
1.1M (128K x 9)
Data Rate
100MHz
Access Time
8ns
Voltage - Supply
3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-PLCC
Configuration
Dual
Density
1.125Mb
Access Time (max)
8ns
Word Size
9b
Organization
128Kx9
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
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
32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C4291-10JXC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Document #: 38-06007 Rev. *C
Switching Waveforms
Programmable Almost Full Flag Timing
Write Programmable Registers
Notes:
23. 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.
24. PAF offset = m.
25. 16,384 − m words for CY7C4281, 32,768 − m words for CY4291.
26. t
WEN2/LD
of RCLK and the rising edge of WCLK is less than t
SKEW2
(if applicable)
WCLK
WEN1
D
0
WEN2
–D
WCLK
WEN1
REN1,
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
RCLK
REN2
PAF
8
t
CLKH
t
CLKH
(continued)
FULL − (M+1)WORDS
t
CLK
t
t
ENS
ENS
t
DS
IN FIFO
PAE OFFSET
t
t
ENS
ENS
LSB
SKEW2
t
t
ENH
ENH
t
CLKL
t
, then PAF may not change state until the next WCLK.
CLKL
t
ENH
t
DH
Note 23
PAE OFFSET
Note 24
MSB
t
PAF
t
ENS
PAF OFFSET
t
SKEW2
(FULL −M) WORDS
LSB
IN FIFO
t
ENS
[26]
t
[25]
ENH
PAF OFFSET
MSB
t
PAF
CY7C4281
CY7C4291
Page 13 of 16
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