ADV7177 Analog Devices, ADV7177 Datasheet - Page 6

• Manufacturer Part Number: ADV7177
• Description: Integrated Digital CCIR-601 to PAL/NTSC Video Encoder
• Manufacturer: Analog Devices

ADV7177/ADV7178
5 V TIMING SPECIFICATIONS
Parameter
MPU PORT
ANALOG OUTPUTS
CLOCK CONTROL
AND PIXEL PORT
RESET CONTROL
INTERNAL CLOCK CONTROL
OSD TIMING
NOTES
1
2
3
4
5
6
Specifications subject to change without notice.
The max/min specifications are guaranteed over this range.
Temperature range T
TTL input values are 0 to 3 volts, with input rise/fall times
Guaranteed by characterization.
Output delay measured from the 50% point of the rising edge of CLOCK to the 50% point of full-scale transition.
Pixel Port consists of the following:
outputs. Analog output load
Pixel Inputs:
Pixel Controls:
Clock Input:
SCLOCK Frequency
SCLOCK High Pulsewidth, t
SCLOCK Low Pulsewidth, t
Hold Time (Start Condition), t
Setup Time (Start Condition), t
Data Setup Time, t
SDATA, SCLOCK Rise Time, t
SDATA, SCLOCK Fall Time, t
Setup Time (Stop Condition), t
Analog Output Delay
DAC Analog Output Skew
f
Clock High Time, t
Clock Low Time, t
Data Setup Time, t
Data Hold Time, t
Control Setup Time, t
Control Hold Time, t
Digital Output Access Time, t
Digital Output Hold Time, t
Pipeline Delay, t
RESET Low Time
Clock/2 Rise Time, t
Clock/2 Fall Time, t
OSD Setup Time, t
OSD Hold Time, t
CLOCK
3, 4
4
MIN
15
P15–P0
HSYNC, FIELD/VSYNC, BLANK
CLOCK
3, 6
3, 4
12
to T
19
10
5
11
9
18
17
3, 5
16
12
MAX
11
10 pF.
: 0 C to +70 C.
14
2
1
13
3
8
4
7
6
After This Period the First Clock Is Generated
Relevant for Repeated Start Condition
Conditions
(V
otherwise noted.)
AA
= 4.75 V – 5.25 V
3 ns, measured between the 10% and 90% points. Timing reference points at 50% for inputs and
1
, V
–6–
REF
= 1.235 V, R
SET
= 300
4.0
4.7
4.0
250
4.7
8
8
3.5
4
4
3
6
Min
0
4.7
. All specifications T
Typ
5
0
27
4
37
7
7
6
2
Max
100
1
300
24
MIN
to T
MAX
Units
kHz
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
Clock Cycles
ns
ns
ns
ns
ns
2
s
s
s
s
s
s
unless
REV. 0