TA1370FG Datasheet, PDF (36/42 Pages) Toshiba Semiconductor – SYNC Processor, Frequency Counter IC for TV Component Signals

Note
Item
VA04 Vertical free-run frequency
TA1370FG
SW Mode
S07 S23 S24 S26
Test Conditions and Measuring Method (V_CC = 9 V, Ta = 25 ± 3°C, unless otherwise specified)
c
b

 (1) Input Signal a (horizontal 33.75 kHz) to pin 14 (HD3-IN).
(2) Set sub-address (00) B0.
(3) When sub-address (02) is 02, 22, 62, 82, A2 or C2, measure the frequency FV0, FV1, FV3, FV4, FV5 or FV6
of pin 28 (VD1-OUT) wave form.
(4) Input no-signal to pin 14 (HD3-IN).
(5) Set sub-address (02) 42.
(6) When sub-address (00) is 30, 70, B0 or F0, measure the frequency FV20, FV21, FV22 or FV23 of pin 28
(VD1-OUT) wave form.
Signal a
Pin 28 wave form
29.63 µs
0.593 µs
0.285 V
V period
VPW*
36
2003-02-19