lmh1980mm National Semiconductor Corporation, lmh1980mm Datasheet - Page 7

• Manufacturer Part Number: lmh1980mm
• Description: Auto-detecting Sd/hd/pc Video Sync Separator
• Manufacturer: National Semiconductor Corporation

SD/EDTV Horizontal Interval Timing Diagram
V
V
td
td
td
T
T
Symbol
td
td
td
T
T
CC
CC
HSOUT
BPOUT
HSOUT
BPOUT
Symbol
CSOUT
HSOUT
BPOUT
CSOUT
HSOUT
BPOUT
= 3.3V , T
= 3.3V , T
Parameter
Composite Sync Output Propagation Delay from Input
Sync Reference (O
Horizontal Sync Output Propagation Delay from Input
Sync Reference (O
Burst/Back Porch Timing Output Propagation Delay from
Input Sync Trailing Edge
Horizontal Sync Output Pulse Width
Burst/Back Porch Timing Output Pulse Width
Composite Sync Output Propagation Delay from Input
Sync Reference (O
Horizontal Sync Output Propagation Delay from Input
Sync Reference (O
Burst/Back Porch Timing Output Propagation Delay from
Input Sync Trailing Edge
Horizontal Sync Output Pulse Width
Burst/Back Porch Timing Output Pulse Width
A
A
= 25°C, No Input Filter, PAL Video Input from Tek TG700 Generator with AVG7 SD video module
= 25°C, No Input Filter, 576P Video Input from Tek TG700 Generator with AVG7 SD module
H
H
H
H
FIGURE 9. SD/EDTV Horizontal Interval with Bi-level Sync
)
)
)
)
Parameter
SDTV Horizontal Interval Timing Characteristics
EDTV Horizontal Interval Timing Characteristics
7
Conditions
See Figure 9
See Figure 9
See Figure 9
See Figure 9
See Figure 9
See Figure 9
See Figure 9
See Figure 9
See Figure 9
See Figure 9
Conditions
30010308
Typ
170
175
485
350
2.3
Typ
525
530
400
2.5
3.0
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Units
Units
ns
ns
ns
µs
ns
ns
ns
ns
µs
µs