CY7C64713
AC Electrical Characteristics
USB Transceiver
USB 2.0 compliant in full speed mode.
Figure 12. Program Memory Read Timing Diagram
t
CL
CLKOUT
[12]
t
AV
A[15..0]
t
STBL
PSEN#
t
STBH
t
AV
D[7..0]
t
SOEL
OE#
t
SCSL
CS#
[13]
t
ACC1
data in
t
DH
Table 11. Program Memory Read Parameters
Parameter
t
CL
Description
1/CLKOUT Frequency
Min
Typ
20.83
41.66
83.2
t
AV
t
STBL
t
STBH
t
SOEL
t
SCSL
t
DSU
t
DH
Delay from Clock to Valid Address
Clock to PSEN Low
Clock to PSEN High
Clock to OE Low
Clock to CS Low
Data Setup to Clock
Data Hold Time
9.6
0
0
0
0
10.7
8
8
11.1
13
Max
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
48 MHz
24 MHz
12 MHz
Notes
12. CLKOUT is shown with positive polarity.
13. t
ACC1
is computed from the parameters in
Table 11
as follows:
t
ACC1
(24 MHz) = 3*t
CL
鈥?t
AV
鈥?t
DSU
= 106 ns
t
ACC1
(48 MHz) = 3*t
CL
鈥?t
AV
鈥?t
DSU
= 43 ns.
Document #: 38-08039 Rev. *E
Page 32 of 54
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