CY7C68013A, CY7C68014A
CY7C68015A, CY7C68016A
10.9 Slave FIFO Synchronous Write
Figure 20. Slave FIFO Synchronous Write Timing Diagram[20]
t
IFCLK
IFCLK
SLWR
t
WRH
t
SWR
DATA
N
Z
Z
t
t
FDH
SFD
FLAGS
t
XFLG
Table 23. Slave FIFO Synchronous Write Parameters with Internally Sourced IFCLK[21]
Parameter
tIFCLK
Description
Min
20.83
10.4
0
Max
Unit
ns
IFCLK Period
tSWR
tWRH
tSFD
SLWR to Clock Setup Time
ns
Clock to SLWR Hold Time
ns
FIFO Data to Clock Setup Time
Clock to FIFO Data Hold Time
Clock to FLAGS Output Propagation Time
9.2
0
ns
tFDH
tXFLG
ns
9.5
ns
Table 24. Slave FIFO Synchronous Write Parameters with Externally Sourced IFCLK[21]
Parameter
tIFCLK
Description
Min
20.83
12.1
3.6
Max
Unit
ns
IFCLK Period
200
tSWR
tWRH
tSFD
SLWR to Clock Setup Time
ns
Clock to SLWR Hold Time
ns
FIFO Data to Clock Setup Time
Clock to FIFO Data Hold Time
Clock to FLAGS Output Propagation Time
3.2
ns
tFDH
tXFLG
4.5
ns
13.5
ns
Document #: 38-08032 Rev. *N
Page 45 of 62
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