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STMicroelectronics Electronic Components Datasheet

TEA6415CD Datasheet

BUS-CONTROLLED VIDEO MATRIX SWITCH

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TEA6415C
BUS-CONTROLLED VIDEO MATRIX SWITCH
s 20MHz BANDWIDTH
s CASCADABLE WITH ANOTHER TEA6415C
(INTERNAL ADDRESS CAN BE CHANGED BY
PIN 7 VOLTAGE)
s 8 INPUTS (CVBS, RGB, MAC, CHROMA, ...)
s 6 OUTPUTS
s POSSIBILITY OF MAC OR CHROMA SIGNAL
FOR EACH INPUT BY SWITCHING-OFF THE
CLAMP WITH AN EXTERNAL RESISTOR
BRIDGE
s BUS CONTROLLED
s 6.5dB GAIN BETWEEN ANY INPUT AND OUT-
PUT
s -55dB CROSSTALK AT 5MHz
s FULLY ESD PROTECTED
DESCRIPTION
The main function of the TEA6415C is to switch 8
video input sources on the 6 outputs.
Each output can be switched to only one of the
inputs whereas but any same input may be con-
nected to several outputs.
All the switching possibilities are controlled through
the I2C bus.
PIN CONNECTIONS
DIP20
(Plastic Package)
ORDER CODE : TEA6415C
SO20
(Plastic Micropackage)
ORDER CODE : TEA6415CD
INP UT
DATA
INP UT
CLOCK
INP UT
INP UT
PROG
INP UT
VC C
INP UT
1
2
3
4
5
6
7
8
9
10
20 INPUT
19 GROUND
18 OUTPUT
17 OUTPUT
16 OUTPUT
15 OUTPUT
14 OUTPUT
13 OUTPUT
12 GROUND
11 INPUT
January 1996
1/10


STMicroelectronics Electronic Components Datasheet

TEA6415CD Datasheet

BUS-CONTROLLED VIDEO MATRIX SWITCH

No Preview Available !

TEA6415C
BLOCK DIAGRAM
CVBS
(MAC/DEC)
CVBS
(P ERI P LUG1)
CVBS
(AM TUNER)
MAC S IGNAL
(AMTUNE R )
CVBS
(P ERI P LUG2)
CVBS
(FM TUNER)
MAC S IGNAL
(FM TUNER)
S YNCHRO
(TTX/BTX)
P ERI P ERI TTX LUMA PIP
TV1 TV2
CHROMA
P OWER
MAC
DEC.
GND
18 17 16 15 14 13 12
1
3
5
6
8
10
11
20
BUS
DECODER
2
DATA
74
P ROG CLOCK
9
VC C
T
E
A
6
4
1
5
C
19
GND
GENERAL DESCRIPTION
The main functionof the IC is to switch 8 video input
sources on 6 outputs.
Each output can be switched on only one of each
input. On each input an alignment of the lowest
level of the signal is made (bottom of synch. top for
CVBS or black level for RGB signals).
Each nominal gain between any input and output
is 6.5dB. For D2MAC or Chroma signal the align-
ment is switched off by forcing, with an external
resistor bridge, 5 VDC on the input. Each input can
be used as a normal input or as a MAC or Chroma
input (with external resistor bridge). All the switch-
ing possibilities are changed through the BUS.
Driving 75load needs an external transistor.
It is possible to have the same input connected to
several outputs.
The starting configuration upon power on (power
supply : 0 to 10V) is undetermined.
In this case, 6 words of 16 bits are necessary to
determine one configuration. In other case, 1 word
of 16 bits is necessary to determine one configura-
tion.
2/10


Part Number TEA6415CD
Description BUS-CONTROLLED VIDEO MATRIX SWITCH
Maker ST Microelectronics
Total Page 10 Pages
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