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TA1370FG Datasheet, PDF (25/42 Pages) Toshiba Semiconductor – SYNC Processor, Frequency Counter IC for TV Component Signals
Test Conditions and Measuring Method
TA1370FG
Note
Item
HA01 Sync1/2 input horizontal sync phase
SW Mode
S07 S23 S24 S26
Test Conditions and Measuring Method (VCC = 9 V, Ta = 25 ± 3°C, unless otherwise specified)
c
b
a
b (1) Set sub-address (00) 80.
↓
↓ (2) SW24-a and SW26-b.
b
a (3) Input Signal a (horizontal 33.75 kHz) to pin 26 (SYNC1-IN).
(4) Set sub-address (02) 00.
(5) Measure the phase difference S1PH between pin 26 and pin 7 (AFC filter) wave form.
(6) SW24-b and SW26-a.
(7) Input Signal a (33.75 kHz ) to pin 24 (SYNC2-IN).
(8) Set sub-address (02) 01.
(9) Measure the phase difference S2PH between pin 24 and pin 7 (AFC filter) wave form.
Signal a
Pin 7 wave form
29.63 µs
0.593 µs
0.285 V
S1PHï½¥S2PH
25
2003-02-19