Datasheet

LMH1980
www.ti.com SNLS263A –JULY 2007–REVISED MARCH 2013
Table 1. SDTV Horizontal Interval Timing Characteristics
(1)
Parameter Test Conditions Typ Units
td
CSOUT
Composite Sync Output See Figure 9 525
Propagation Delay from
ns
Input Sync Reference
(O
H
)
td
HSOUT
Horizontal Sync Output See Figure 9 530
Propagation Delay from
ns
Input Sync Reference
(O
H
)
td
BPOUT
Burst/Back Porch Timing See Figure 9 400 ns
Output Propagation Delay
from Input Sync Trailing
Edge
T
HSOUT
Horizontal Sync Output See Figure 9 2.5 µs
Pulse Width
T
BPOUT
Burst/Back Porch Timing See Figure 9 3.0 µs
Output Pulse Width
(1) V
CC
= 3.3V , T
A
= 25°C, No Input Filter, PAL Video Input from Tek TG700 Generator with AVG7 SD video module
Table 2. EDTV Horizontal Interval Timing Characteristics
(1)
Parameter Test Conditions Typ Units
td
CSOUT
Composite Sync Output See Figure 9 170 ns
Propagation Delay from
Input Sync Reference
(O
H
)
td
HSOUT
Horizontal Sync Output See Figure 9 175 ns
Propagation Delay from
Input Sync Reference
(O
H
)
td
BPOUT
Burst/Back Porch Timing See Figure 9 485 ns
Output Propagation Delay
from Input Sync Trailing
Edge
T
HSOUT
Horizontal Sync Output See Figure 9 2.3 µs
Pulse Width
T
BPOUT
Burst/Back Porch Timing See Figure 9 350 ns
Output Pulse Width
(1) V
CC
= 3.3V , T
A
= 25°C, No Input Filter, 576P Video Input from Tek TG700 Generator with AVG7 SD module
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