TA1370FG Datasheet, PDF (28/42 Pages) Toshiba Semiconductor – SYNC Processor, Frequency Counter IC for TV Component Signals

Note
Item
HA06
HD1 input threshold voltage
HD2 input threshold voltage
HD3 input threshold voltage
(SW block)
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) Set sub-address (00) 40 and (02) 00.
(2) Input Signal b (31.5 kHz) to pin 3 (HD1-IN).
(3) Increasing the voltage of Signal b from 0 V, measure the voltage of Signal b V_thHD1 when HD1-OUT lock.
(4) Measure the voltage of pin 1 V_thHD2. Measure the voltage of pin 14 V_thHD3 as well.
Signal b
31.5 µs
2.35 µs
V_thHD1
28
2003-02-19