參數(shù)資料
型號: TA1316AN
廠商: Toshiba Corporation
英文描述: YCbCr/YPbPr Signal and Sync Processor for Digital TV, Progressive Scan TV and Double Scan TV
中文描述: YCbCr /色差信號處理器和同步數(shù)字電視,逐行掃描電視和雙掃描電視
文件頁數(shù): 34/115頁
文件大?。?/td> 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
34
Note 3: Power supply sequence
At power-on, power should be supplied to the IC’s power supply pins according to the following sequence:
first to pin 29 (I
2
L V
DD
), then to pin 19 (DEF/DAC V
CC
), and finally to pin 40/pin 55 (RGB V
CC
/YC V
CC
).
Power to pin 29 should be supplied from pin 19 via zener diode through resister.
If power is not supplied to all the power pins or if power is not supplied in the above sequence, BUS preset
will be unsettled and the IC may not function properly.
Especially, when the frequency of H-out (pin 26) will be unsettled, H deflection output transistor may be
broken.
When this IC will be used on CRT, the frequency of H-out should be controlled by pin 22.
t
Figure (Note 3) Timing from immediately after power-on to time
at which H-out is output (at Ta
=
25
°
C)
I
2
L V
DD
Logic operation 1.5 V (typ.)
Power-on reset (POR) threshold voltage
for bus operation 3.3 V (typ.)
H-out output 5.2 V (typ.)
V
DEF/DAC V
CC
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