CY7C43643-10AC Cypress Semiconductor Corp, CY7C43643-10AC Datasheet - Page 21
CY7C43643-10AC
Manufacturer Part Number
CY7C43643-10AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C43643-10AC.pdf
(29 pages)
Specifications of CY7C43643-10AC
Density
32Kb
Word Size
36b
Sync/async
Synchronous
Expandable
Yes
Package Type
TQFP
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
128
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Document #: 38-06021 Rev. *B
Switching Waveforms
Notes:
32. t
EF Flag Timing and First Data Read Fall Through when FIFO is Empty (CY Standard Mode)
CLKA
CSA
W/RA
MBA
ENA
A
CLKB
EF/OR
CSB
W/RB
MBB
ENB
B
CLKA edge and rising CLKB edge is less than t
FF/IR
SKEW1
0–35
0–35
is the minimum time between a rising CLKA edge and a rising CLKB edge for EF to transition HIGH in the next CLKB cycle. If the time between the rising
LOW
HIGH
HIGH
HIGH
LOW
LOW
FIFO Empty
(continued)
t
t
t
ENS
ENS
DS
W1
t
t
ENH
t
ENH
DH
t
SKEW
SKEW1
[32]
, then the transition of EF HIGH may occur one CLKB cycle later than shown.
t
CLKH
t
CLK
t
CLKL
t
REF
t
CLKH
t
CLK
t
ENS
t
CLKL
t
ENH
t
t
REF
A
[30]
W1
CY7C43643
CY7C43663
CY7C43683
Page 21 of 29
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