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TEA6415CSGS-THOMSONN/a20avaiBUS-CONTROLLED VIDEO MATRIX SWITCH
TEA6415CDSTN/a72avaiBUS-CONTROLLED VIDEO MATRIX SWITCH
TEA6415CDTN/a69avaiBUS-CONTROLLED VIDEO MATRIX SWITCH


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TEA6415C-TEA6415CD-TEA6415CDT
BUS-CONTROLLED VIDEO MATRIX SWITCH
TEA6415C
Bus-Controlled Video Matrix Switch
Main Features
20 MHz Bandwidth Cascadable with another TEA6415C (Internal
Address can be changed by Pin 7 Voltage)
8 Inputs (CVBS, RGB, Chroma, ...) 6 Outputs Possibility of Chroma Signal for each Input
by switching off the Clamp with an external
Resistor Bridge
Bus Controlled 6.5 dB Gain between any Input and Output -55 dB Crosstalk at 5 MHz Full ESD Protection
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 any single input may be connected
to several outputs.
All switching possibilities are controlled through the 2 C bus.
TEA6415C General Description General 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 any single input may be connected
to several outputs. The lowest level of each signal is aligned on each input (bottom of sync pulse for
CVBS or Black Level for RGB signals).
The nominal gain between any input and output is 6.5 dB. For Chroma signals, the alignment is
switched off by forcing, with an external 5 VDC resistor bridge on the input. Each input can be used
as a normal input or as a Chroma input (with external resistor bridge). All the switching possibilities
are changed through the I²C bus.
Driving a 75 Ω load requires an external transistor.
The switches configuration is defined by words of 16 bits: one word of 16 bits for each output
channel.
So, 6 words of 16 bits are necessary to determine the starting configuration upon power-on (power
Figure 1: TEA6415C Block Diagram
Electrical Characteristics TEA6415C Electrical Characteristics
2.1 Absolute Maximum Ratings
2.2 Thermal Data
2.3 Supply

(TA = 25 °C , VCC = 10 V , RLOAD = 10 kW , CLOAD = 3 pF (unless otherwise specified)
TEA6415C Electrical Characteristics
2.4 I²C Bus Characteristics
Figure 2: I²C Bus Timing
Electrical Characteristics TEA6415C
2.5 I²C Bus Selections

The I²C chip address is defined by the first byte. The second byte defines the input/output
configuration.
Chip Address byte (1st byte of transmission)
Input/Output Selection byte (2nd byte of transmission)
Example: 00100 101 connects pin 10 (input) to pin 14 (output) (equals 25 in hexadecimal)
When PROG pin is connected to Ground When PROG pin is connected to VCC
Table 1: I²C Bus Output Selections
Table 2: I²C Bus Input Selections
TEA6415C Electrical Characteristics
2.6 Input/Output Pin Configuration Input Configuration

Figure 3: Input Configuration
Figure 4: Output Configuration
Figure 5: Bus I/O Configuration
Figure 6: VCC Pin Configuration
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