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TA1370FG Datasheet, PDF (34/42 Pages) Toshiba Semiconductor – SYNC Processor, Frequency Counter IC for TV Component Signals
Note
Item
VA01
VD1 input threshold voltage
VD2 input threshold voltage
VD3 input threshold voltage
(SW block)
VA02 VD3 input threshold voltage
(synchronization block)
TA1370FG
SW Mode
S07 S23 S24 S26
Test Conditions and Measuring Method (VCC = 9 V, Ta = 25 ± 3°C, unless otherwise specified)
c
b

 (1) Set sub-address (00) B0.
(2) Input Signal a (vertical 60 Hz) to pin 4 (VD1-IN).
(3) Set sub-address (02) 00.
(4) Increasing the voltage of Signal a from 0 V. measure the voltage of Signal b VthVD1 when VD1-OUT lock.
(5) Measure VthVD2 and VthVD3 against pin 2 and pin 13 as wall.
Signal a
16.67 ms
0.12 ms
VthVD1
c
b

 (1) Set sub-address (00) 50.
(2) Input Signal b (vertical 60 Hz) to pin 13 (VD3-IN).
(3) Set sub-address (02) 01.
(4) Increasing the voltage of Signal b from 0 V, measure the voltage of Signal a VthVD3 when VD1-OUT lock.
Signal a
16.67 ms
0.12 ms
34
2003-02-19