ta1316an TOSHIBA Semiconductor CORPORATION, ta1316an Datasheet - Page 34

• Manufacturer Part Number: ta1316an
• Description: Ycbcr/ypbpr Signal And Sync Processor For Digital Tv, Progressive Scan Tv And Double Scan Tv
• Manufacturer: TOSHIBA Semiconductor CORPORATION

TA1316AN
Note 3: Power supply sequence
At power-on, power should be supplied to the IC’s power supply pins according to the following sequence:
2
first to pin 29 (I
L V
), then to pin 19 (DEF/DAC V
), and finally to pin 40/pin 55 (RGB V
/YC V
).
DD
CC
CC
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.
V
DEF/DAC V
CC
H-out output 5.2 V (typ.)
Power-on reset (POR) threshold voltage
for bus operation 3.3 V (typ.)
2
I
L V
DD
Logic operation 1.5 V (typ.)
t
Figure (Note 3) Timing from immediately after power-on to time
at which H-out is output (at Ta = = = = 25° ° ° ° C)
34
2002-10-04