TA1318AF Datasheet, PDF (25/42 Pages) Toshiba Semiconductor – SYNC Processor, Frequency Counter IC for TV Component Signals

Test Conditions and Measuring Method
TA1318AF
Note
Item
HA01 Sync1/2 input horizontal sync phase
SW Mode
S06 S18 S19 S21
Test Conditions and Measuring Method (V_CC = 9 V, Ta = 25 ± 3°C, unless otherwise specified)
c
b
a
b (1) Set sub-address (02) 60.
↓
↓ (2) SW19-a and SW21-b.
b
a (3) Input Signal a (horizontal 33.75 kHz ) to pin 21 (SYNC1-IN).
(4) Set sub-address (02) 61.
(5) Measure the phase difference S_1PH between pin 21 and pin 6 (AFC filter) wave form.
(6) SW19-b and SW21-a.
(7) Input Signal a (33.75 kHz ) to pin 19 (SYNC2-IN).
(8) Set sub-address (02) 01.
(9) Measure the phase difference S_2PH between pin 19 and pin 6 (AFC filter) wave form.
Signal a
Pin 6 wave form
29.63 µs
0.593 µs
0.285 V
S_1PHï½¥S_2PH
25
2003-02-19