CY7C68013A, CY7C68014A
CY7C68015A, CY7C68016A
9.4 Data Memory Write
Figure 9-3. Data Memory Write Timing Diagram
t
CL
CLKOUT
t
AV
t
STBL
t
STBH
t
AV
A[15..0]
WR#
t
SCSL
CS#
t
ON1
D[7..0]
data out
t
OFF1
t
CL
Stretch = 1
CLKOUT
t
AV
A[15..0]
WR#
CS#
t
ON1
D[7..0]
data out
t
OFF1
Table 16. Data Memory Write Parameters
Parameter
t
AV
t
STBL
t
STBH
t
SCSL
t
ON1
t
OFF1
Description
Delay from clock to valid address
Clock to WR pulse LOW
Clock to WR pulse HIGH
Clock to CS pulse LOW
Clock to data turn-on
Clock to data hold time
Min
0
0
0
–
0
0
Max
10.7
11.2
11.2
13.0
13.1
13.1
Unit
ns
ns
ns
ns
ns
ns
Notes
–
–
–
–
–
–
When using the AUTPOPTR1 or AUTOPTR2 to address external memory, the address of AUTOPTR1 is only active while either RD#
or WR# are active. The address of AUTOPTR2 is active throughout the cycle and meets the address valid time for which is based on
the stretch value.
Document #: 38-08032 Rev. *V
Page 41 of 66
CYPRESS [ CYPRESS SEMICONDUCTOR ]
