參數(shù)資料
型號(hào)： TA1318N
廠商： Toshiba Corporation
元件分類： 通用總線功能
英文描述： SYNC Processor, Frequency Counter IC for TV Component Signals
中文描述： 同步處理器，頻率計(jì)數(shù)器集成電路電視分量信號(hào)
文件頁數(shù)： 26/42頁
文件大?。?/td> 629K
代理商： TA1318N
TA1318N
2003-02-19
26
SW Mode
Note
Item
S06
S18
S19
S21
Test Conditions and Measuring Method (V
CC
=
9 V, Ta
=
25
±
3
°
C, unless otherwise specified)
HA04
Sync1 input threshold amplitude
Sync2 input threshold amplitude
c
b
a
↓
b
b
↓
a
(1) Set sub-address (00) 0B and (02) 60.
(2) Input Signal a (33.75 kHz) to pin 21 (SYNC1-IN)
(3) Measure the sync. tip DC voltage of signal a on pin 21 (SYNC1-IN). (V
sync11
)
(4) Supply external voltage via 100 k
to pin 21 and increase the voltage.
(5) Measure the sync. tip DC voltage (V
sync12
) when HD-OUT desynchronizes with signal a calculate V
thS10
.
V
thS10
=
V
sync12
V
sync11
(6) Set sub-address (00) B1, B2 and B3 and calculate V
thS11
, V
thS12
and V
thS13
as well.
(7) Calculate V
thS20
, V
thS21
, V
thS22
and V
thS23
against pin 19 (SYNC2-IN) in the same way as 4 to 6.
HA05
HD3 input threshold amplitude
(synchronization block)
c
b
(1) Set sub-address (00) 70 and (02) 62.
(2) Input Signal b (31.5 kHz) to pin 11 (HD3-IN).
(3) Increasing the voltage of Signal b from 0 V, measure the voltage of Signal b V
thHD3
when HD1-OUT lock.
Signal a
29.63
μ
s
0.285 V
0.593
μ
s
Signal b
31.75
μ
s
V
thHD1
2.35
μ
s
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