Multiplexers | MC74HC138A

1/8デコーダ/デマルチプレクサ

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製品

Overview

MC74HC138AのピンアウトはLS138と同等です。入力は標準CMOS出力に準拠、プルアップ抵抗器があればLSTTL出力に準拠します。HC138Aは3ビット・アドレスを8つのアクティブ低出力の1つにデコードします。チップ・セレクト入力3つ（アクティブ低2つとアクティブ高1つ）で、デマルチプレクシング、カスケーディング、チップ・セレクティングの機能が円滑になります。デマルチプレクシング機能は、アドレス入力を使用して目的のデバイス出力を選択することによって達成します。チップ・セレクトのうち1つがデータ入力として使用され、他のチップ・セレクトはアクティブ状態にホールドされます。

  • Output Drive Capability: 10 LSTTL Loads
  • Outputs Directly Interface to CMOS, NMOS and TTL
  • Operating Voltage Range: 2.0 to 6.0 V
  • Low Input Current: 1.0 mA
  • High Noise Immunity Characteristic of CMOS Devices
  • In Compliance with the Requirements Defined by JEDEC Standard No. 7A
  • Chip Complexity: 100 FETs or 29 Equivalent Gates
  • Pb-Free Packages are Available*

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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Channels

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

MC74HC138ADG

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

TUBE

48

N

1

2

6

27

5.2

$0.2452

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MC74HC138ADR2G

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

1

2

6

27

5.2

$0.0684

More Details

MC74HC138ADR2G-Q

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CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

F

1

2

6

27

5.2

$0.0828

More Details

MC74HC138ADTR2G

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CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

N

1

2

6

27

5.2

$0.1283

More Details

MC74HC138ADTR2G-Q

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Active

CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

F

1

2

6

27

5.2

$0.1616

More Details

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信頼性データ

Die Related Summary Data

Device: MC74HC138ADG

Equivalent to wafer fab process: CMOS SUB

製品技術

製品技術

等価デバイス時間

MTBF/MTTF (時間)

FITS

CMOS SUB

2

920154574

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Re-calculate Data

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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