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TMC2490AR2C Datasheet(PDF) 13 Page - Cadeka Microcircuits LLC.

Part # TMC2490AR2C
Description  Multistandard Digital Video Encoder
PDF  36 Pages
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Manufacturer  CADEKA [Cadeka Microcircuits LLC.]
Direct Link  http://www.cadeka.com
Logo CADEKA - Cadeka Microcircuits LLC.

TMC2490AR2C Datasheet(HTML) 13 Page - Cadeka Microcircuits LLC.

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PRODUCT SPECIFICATION
TMC2490A
13
Table 3. Horizontal Timing Standards and Actual Values for 60 fps Video Standards (
µs)
Table 4. Horizontal Timing Standards and Actual Values for 50 fps Video Standards (
µs)
Parameter
NTSC (SMPTE 170M)
PAL-M (CCIR 624)
Min
Nom
Max
Min
Nom
Max
TMC2490A
Front porch
FP
1.4
1.5
1.6
1.27
2.22
1.53
Horiz. Sync
SY
4.6
4.7
4.8
4.6
4.7
4.8
4.74
Breezeway
BR
0.608
0.9
1.1
1.3
0.59 (NTSC)
1.04 (PAL-M)
Color Burst
BU
2.235
2.514
2.794
2.237
2.517
2.797
2.31
Color Back porch
CBP
1.378
0.503
2.363
1.65 (NTSC)
0.89 (PAL-M)
Blanking
BL
10.5
10.7
11.0
10.7
10.9
11.1
10.8
Active Video
VA
52.56
52.86
53.06
52.46
52.66
52.86
52.633
Line Time
H
63.556
63.556
63.557
Equalization HIGH
EH
29.5
29.5
29.47
Equalization LOW
EL
2.3
2.3
2.31
Sync HIGH
SH
4.7
4.7
4.67
Sync LOW
SL
27.1
27.1
27.13
Sync rise and fall
times
140
±20ns
<250 ns
135ns
Parameter
PAL-B,G,H,I (CCIR 624)
PAL-N (CCIR 624)
Min
Nom
Max
Min
Nom
Max
TMC2490A
Front porch
FP
1.2
1.5
1.8
1.2
1.5
1.8
1.57
Horiz. Sync
SY
4.5
4.7
4.9
4.5
4.7
4.9
4.74
Breezeway
BR
0.6
0.9
1.2
0.6
0.9
1.2
0.89
Color Burst
BU
2.030
2.255
2.481
2.233
2.513
2.792
2.3
Color Back porch
CBP
2.654
2.387
2.3
Blanking
BL
11.7
12.0
12.3
11.7
12.0
12.3
1.8
Active Video
VA
51.7
52.0
52.3
51.7
52.0
52.3
52.2
Line Time
H
64
64
64.0
Equalization HIGH
EH
29.65
29.65
29.63
Equalization LOW
EL
2.35
2.35
2.37
Sync HIGH
SH
4.7
4.7
4.67
Sync LOW
SL
27.3
27.3
27.3
Sync rise and fall
times
250
±50
ns
200
±100
ns
250
slopes compatible with SMPTE 170M NTSC or CCIR
Report 624 PAL on all vital edges:
1.
Sync leading and trailing edges.
2.
Burst envelope.
3.
Active video leading and trailing edges.
4.
All vertical interval equalization pulse and sync edges.



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