TEA6414A 데이터 시트보기 (PDF) - STMicroelectronics

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TEA6414A

BUS-CONTROLLED VIDEO MATRIX SWITCH

STMicroelectronics 

TEA6414A

IN / OUT PIN CONFIGURATION

Figure 1 : Input Configuration

0.36 VCC

Figure 2 : Output Configuration

VCC

VCC

14k Ω

x3

7kΩ

All video outputs

Pins 13-14-15

16-17-18

Pins 1-3-5-6

8-10-11-2 0

6 times

8 NPN transistors

11k Ω

Output

Figure 3 : Bus I/O Configuration

Figure 4 : VCC Pin Configuration

VCC

VCC

Pin 9

Pins

2-4-7

VREF

250µA

to I2L part

20k Ω 150Ω

SPECIFICATION FOR THE THOMSON BIDIRECTIONAL DATA BUS

The bidirectional data bus has three lines (DATA,

CLOCK, ENABLE) and operates serially. Transmis-

sion on the DATALINE is effected bidirectionally,

whilst the ENABLE- and CLOCKLINES are driven

only by the microprocessor. It is possible to select

several ICs from the µP via the THOMSON BUS.

4/9

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