PIN FUNCTION DESCRIPTION (CONT.)
PIN
NO.
SYMBOL
2
CVBS-INPUT
INTERNAL EQUIVALENT CIRCUIT
VCC
TK15414
DESCRIPTION
CVBS Signal Input
Terminal.
The CVBS input signal is
clamped at 1.25 V.
1.25 V
3
SAG
4
OUTPUT
5
CHANGE SW
6
GND
7
VCC
8
C-INPUT
January 2000 TOKO, Inc.
VCC
1.5 k
5k
VCC
35 µ
5k
to
Logic
VCC
100 k
2.0 V
Pin 3: SAG Terminal
Pin 4: Signal Output
Terminal.
The output is available to
drive a 75 Ω + 75 Ω load.
Change-Over Switch
Terminal for selecting
S-VHS or CVBS. The
S-VHS signal is applied to
the output when Pin 5 is
connected to High or
Open.
The CVBS signal is
applied to the output
when Pin 5 is connected
to Low.
GND Terminal
Power Supply Terminal
Chromanance Input
Terminal.
The chromanance input
signal is biased to 2.0 V
by a 100 kΩ bias resistor.
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