STV6412A(2003) データシートの表示（PDF） - STMicroelectronics

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STV6412A
(Rev.:2003)

AUDIO/VIDEO SWITCH MATRIX

STMicroelectronics 

STV6412A

4 INPUT/OUTPUT GROUPS

Figure 7. Bottom Clamped Video Inputs

(Pins 2, 4, 6, 12, 14, 18, 21, 62, 64)

VCC 5 V

VCC 5 V

2 V + VD

Figure 10. Average Clamped Video Inputs

(Pin8)

VCC 5 V

VCC 5 V

IB

25 kΩ

25 kΩ

3V

15 kΩ

tri

Protected Pad

tri

Protected Pad

Figure 8. R/C Clamped Video Inputs (Pins 10,

60)

Figure 11. Cgate Logical Output (Pin 52)

VDD 5 V

VCCB1 5 V

R/C inputs may be configured either as a

bottom clamped input or as an average

clamped input. In either case, the simplified

input schematic is very close to one of the

graphics shown above.

Figure 9. Fast Blanking Inputs (Pins 50, 51)

VCCB1 5 V

18 kΩ

50 ohms

Protected Pad

Figure 12. Fast Blanking Output (Pin 49)

VCCB1 5 V

VCCB1 5 V

tri

Protected Pad

Protected Pad

19/24

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