SN28835

1/2-INCH NTSC TIMER

SOCS023B – FEBRUARY 1991

9

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

CP2

CBLK

BCP2

BCP1

Y

OUT3

OUT2

OUT1

GT2

GT1/SH3

GT3/SH2

SH1

S3

S2

S1

Horizontal

Scale‡

Master

Clock†

(1) : Dummy

(2) : Dummy

(3) : Half Dark

7

6

5

4

3

2

1

140

160

150

130

120

110

100

23

22

21

20

19

18

17

16

15

14

0

1 2 3 4 5 6 7 8 9 10 1112 1314 1516 17 1819 20 21

1 2 3 4 5 6 7 8 9 10 1112 1314 15 16 17 1819 20 21

1 2 34 56 78 9

22 23 24

(1)

3

2

11 (3)

(2)

7

6

5

4

3

2

18

Dark

Dummy

Active

† 910 master-clock periods equal 63.55

µs equals one horizontal-scan line

‡ 130 intervals equal 63.55

µs equals one horizontal-scan line

Figure 5. Serial and Sample-and-Hold Timing at Start of Horizontal Transfer