LSI Logic Confidential
18-34
Specifications
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
Figure 18.27 AC Timing of Video Output at VO_CLK
Note:
If OSync is set (or VoutPLL SRC value is 1), then VO_D
timing is specified relative to the video clock input
(VI_CLK[0]) and video output clock should not be used by
the system.
T
f
80%
50%
20%
VO_CLK (I/O)
VO_D[15:0] (O)
T
HIGH
T
LOW
T
r
T
d2
T
d1
T
CYC
Table 18.23 Video Output AC Timing Parameters at VO_CLK
Symbol
Description
Timing Value
Unit
Min
Typ
Max
t
C
Cycle time
13.46
37.03
ns
t
r
Rise time
0.5
5.0 (27 MHz)
2.0
(74.25 MHz)
ns
t
f
Fall time
0.5
5.0 (27 MHz)
2.0
(74.25 MHz)
ns
t
d1
Output data valid time VO_D[15:0] after the
rising edge of VO_CLK
8.0
ns
t
d2
Output data hold time for VO_D[15:0] after
the rising edge of VO_CLK
0.5
ns
Содержание DMN-8600
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