TA1276AFG Datasheet, PDF (8/83 Pages) Toshiba Semiconductor – PAL/NTSC Video Chroma And Deflection IC For CTV

Pin
No.
Pin Name
Function
37 Digital GND The GND pin of I²L block.
Interface Circuit

The pin through which
FBP is input to generate
pulses for horizontal
38 FBP input
AFC2, Y smoothing, and
horizontal blanking.
200 Ω
When double SCAM
38
FBP
mode, input H blanking
pulse (5 V or over).
TA1276AFG
Input/Output
Signal

42
9V
3.5 V
(AFC-2)
1.0 V
(H BLK)
39 NC
None connect PIN.
These pins connect to
GND.
(1) Used to correct
distortion of picture in
the case of
high-tension
fluctuation. Input the
AC component of
high-tension
fluctuation.
Curve
To disactivate the
correction
distortion correction
40 (ext.
feature, connect a
40
CP/BPP
input)
capacitor of 0.01 µF
between this pin and
GND.
(2) Double scan mode
This pin is to input
external CP (clamping
pulse) and BPP
(black peak detection
stopping pulse).
Produces the horizontal
output.
Horizontal Connecting the DEF V_CC
41 output
to this pin can swich
(mode SW) Double Scan mode. In this
41
case, the horizontal output
is not produced.

42
AFC-2

(1) DC 4.5 V
(2)
Ext. Clamp Pulse
5V
1.5
µs
Ext. CP
TH: 3.6 V
Ext BPP
0V
Ext BPP TH: 1.0 V
5 kΩ
15 kΩ
42
HIGH: 3.2 V
LOW: 0.2 V
42
DEF V_CC
(9 V)
The V_CC of DEF block.
Connect 9 V (typ.) to this
pin.


8
2002-04-01