Philips Semiconductors
Universal sync generator (USG)
Product specification
SAA1101
SYMBOL
PARAMETER
PAL
NTSC
PAL-M
SECAM
UNIT N
Burst key (BK) (SECAM)
tWBK
chroma pulse width −
−
−
7.2
µs
36
tPBKCS
CS to chroma delay −
−
−
1.6
µs
8
DURATION OF VERTICAL BLANKING
−
SECAM1
−
−
−
note 2
−
−
−
SECAM2
−
−
−
note 3
−
−
Clamp pulse (CLP)
tWCLP
clamp pulse width 2.4
tPCSCLP CS to CLP delay
1.6
2.38
2.38
2.4
1.59
1.59
1.6
µs
12
µs
8
Horizontal drive (HD)
tWHD
pulse width
7.2
tPHDCS
CS to HD delay
0.8
−
repetition period
64
7.15
7.15
7.2
0.79
0.79
0.8
63.56
63.56
64
µs
36
µs
4
µs
−
Vertical drive (VD)
−
VD duration
10
tPVDCS
CS to VD delay
1.6
6
6
10
1.59
1.59
1.6
H
−
µs
8
White measurement pulse (WMP)
−
pulse width
2.4
−
CS to WMP delay
34.4
−
duration of WMP
10
2.38
2.38
2.4
34.16
34.16
34.4
9
9
10
µs
12
µs
172
H
−
POSITION OF WMP
−
first half picture
H163 to H173 H134 to H143 H134 to H143 H163 to H173 −
−
−
second half picture H475 to H485 H396 to H405 H396 to H405 H475 to H485 −
−
Identification (ID)
tWID
pulse width
12
11.12
11.12
12
µs
60
tPIDCS
CS to ID delay
1.6
1.59
1.59
1.6
µs
8
POSITION OF ID
−
first half picture
H7 to H15
H8 to H22
H8 to H22
H7 to H15
−
−
−
second half picture H320 to H328 H271 to H285 H271 to H285 H320 to H328 −
−
Notes to the characteristics
1. Horizontal blanking pulse width for NTSC2 can be 11.12 µs maximum
2. SECAM1, first half picture: 25H + tWBK except H320 to H328. Second half picture: 24.5H + tWBK except H7 to H15.
3. SECAM2, first half picture: 25H + tWBK. Second half picture: 24.5H + tWBK.
January 1990
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