Analog Switches | MC74HC4851A

Analog Multiplexer/Demultiplexer (Mux/Demux) with Injection Current Effect Control

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Automotive Customized

These devices are pin compatible to standard HC405x and MC1405xB analog mux/demux devices, but feature injection current effect control. This makes them especially suited for usage in automotive applications where voltages in excess of normal logic voltage are common.

The injection current effect control allows signals at disabled analog input channels to exceed the supply voltage range without affecting the signal of the enabled analog channel. This eliminates the need for external diode/ resistor networks typically used to keep the analog channel signals within the supply voltage range.

The devices utilize low power silicon gate CMOS technology. The Channel Select and Enable inputs are compatible with standard CMOS outputs.

  • Injection Current Cross-Coupling Less than 1mV/mA (See Figure 9)
  • Pin Compatible to HC405X and MC1405XB Devices
  • Power Supply Range (VCC - GND) = 2.0 to 6.0 V
  • In Compliance With the Requirements of JEDEC Standard No. 7A
  • Chip Complexity: 154 FETs or 36 Equivalent Gates
  • Pb-Free Packages are Available*

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MC74HC4851ADG

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

TUBE

48

N

1

8

SP8T

40

550

2

6

$0.2715

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MC74HC4851ADR2G

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

1

8

SP8T

40

550

2

6

$0.1577

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MC74HC4851ADR2G-Q

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Active

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

F

1

8

SP8T

40

550

2

6

$0.1911

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MC74HC4851ADTR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

N

1

8

SP8T

40

550

2

6

$0.1371

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MC74HC4851ADTR2G-Q

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CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

F

1

8

SP8T

40

550

2

6

$0.1717

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MC74HC4851AMN1TWG-Q

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Active

CAD Model

Pb

A

H

P

QFN-16

485AW

1

260

REEL

3000

F

1

8

SP8T

40

550

2

6

$0.1727

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可靠性数据

Die Related Summary Data

Device: MC74HC4851ADG

Equivalent to wafer fab process: CMOS SUB

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等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

CMOS SUB

2

920154574

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Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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