DG428 Datasheet, PDF(8/11 Page) Vishay Siliconix – Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers

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DG428 Datasheet, PDF (8/11 Pages) Vishay Siliconix – Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers

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DG428/429

Vishay Siliconix

SCHEMATIC DIAGRAM (TYPICAL CHANNEL)

V+

GND

VREF

Level

Shift

Decode/

Drive

Latches

CLK

V+

RESET

Vâ

FIGURE 1.

V+

Vâ

TIMING DIAGRAMS

A0, A1, (A2) 3 V

EN 0 V

50%

20%

80%

FIGURE 2.

Switch

Output

50%

tRS

tOFF(RS)

FIGURE 3.

80%

TEST CIRCUITS

+2.4 V

+15 V

V+

All S and Da

DG428

DG429

A0, A1, (A2)

GND WR

Db, D

Vâ

+5 V

50 W

â15 V 300 W

35 pF

Logic

Input

Switch

Output

www.vishay.com S FaxBack 408-970-5600

5-8

FIGURE 4. Break-Before-Make

50%

tr <20 ns

tf <20 ns

80%

tOPEN

Document Number: 70063

S-52433âRev. J, 06-Sep-99

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