TA1383AFG Datasheet, PDF (3/47 Pages) Toshiba Semiconductor – NTSC Chroma Decoder, Multi-Point Scan Sync Processor, H/V Frequency Counter IC for Color TV

Pins (unless otherwise specified, V_CC1 = 9 V, V_CC2 = 5 V, Ta = 25°C)
Pin
No.
Symbol
1 V_CC1 (9 V)
Function
V_CC for sync separation block,
outputs, and interface. Connects 9 V
(typ.).
Interface
⎯
Y signal input pin.
Inputs NTSC (525I) signal via clamp
capacitor.
2 Y1/SYNC1 IN _{Sync signal is separated from Y signal 2}
4 Y2/SYNC2 IN ^{input to this pin.}
4
Can also be used for sync-only input
pins.
When not used, leave open.
1 kΩ
1
1 kΩ
1 kΩ
11
1
Outputs sync-separated C-SYNC.
100 Ω
3 SYNC OUT
3
Open collector output.
5 VD IN
Inputs vertical sync VD signal.
Inputs positive- and negative-polarity
signals.
5
When not used, leave open.
1 kΩ
11
1
11
6
D-SYNC2 IN
(for freq. det.)
Inputs Y signal for identifying
frequency.
Inputs Y signals such as 525IP, 720P, ⁶
and 1125I via clamp capacitor.
When not used, leave open.
1
1 kΩ
11
1
7 HD IN
Inputs horizontal sync HD signal.
Inputs positive- and negative-polarity
500 Ω
signals.
7
When not used, leave open.
11
3
TA1383AFG
I/O Signal
⎯
1 V_p-p (with Sync)
Sync-Tip: 2.0 V
High/Low
Th: 0.7 V
or
Th: 0.7 V
1 V_p-p (with Sync)
Sync-Tip: 2.0 V
or
Th: 0.7 V
or
Th: 0.7 V
2005-09-05