Bus Transceivers | MC74LCX245

オクタル・トランシーバ、CMOS、低電圧

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Overview

MC74LCX245 は、2.0 ～ 5.5V 電源で動作する高性能非反転オクタル・トランシーバです。高インピーダンス TTL 対応入力は入力ドライバに負荷がかかる電流を著しく低減し、TTL 対応出力はスイッチング・ノイズ性能を向上させます。5.5V の VI 仕様により MC74LCX245 入力を 5V デバイスで安全に駆動することができます。MC74LCX245 はメモリ・アドレスの駆動やあらゆる TTL レベル・バス指向トランシーバのアプリケーションに適しています。電流ドライブ容量は A および B ポート双方で 24mA です。送信/受信 (T/Rbar) 入力は、双方向トランシーバを通るデータ・フローの方向を決定します。送信 (アクティブ HIGH) は A ポートから B ポートへのデータを有効にし、受信 (アクティブ LOW) は B ポートから A ポートへのデータを有効にします。出力イネーブル入力が HIGH になると、A ポートと B ポートが HIGH Z 状態になり、双方が無効になります。

  • Designed for 2.0 to 5.5V VCC Operation
  • 5V Tolerant Interface Capability With 5V TTL Logic
  • Supports Live Insertion and Withdrawal
  • IOFF Specification Guarantees High Impedance When VCC = 0V
  • LVTTL Compatible
  • LVCMOS Compatible
  • 24mA Balanced Output Sink and Source Capability
  • Near Zero Static Supply Current in All Three Logic States (10µA) Substantially Reduces System Power Requirements
  • Latchup Performance Exceeds 500mA
  • ESD Performance: Human Body Model >2000V; Machine Model >200V PIN
  • Pb-Free Packages

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

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Output

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

MC74LCX245DTG

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

8

CMOS

2

3.6

7

24

$0.476

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MC74LCX245DTR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

CMOS

2

3.6

7

24

$0.4121

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MC74LCX245DWG

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CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

8

CMOS

2

3.6

7

24

$0.5277

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MC74LCX245DWR2G

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

8

CMOS

2

3.6

7

24

$0.5091

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MC74LCX245MNTWG

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Active

CAD Model

Pb

A

H

P

QFN-20

485AA

1

260

REEL

3000

N

8

CMOS

2

3.6

7

24

$0.3244

More Details

NLV74LCX245DTR2G

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Last Shipments

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

8

3-State

2

3.6

7

24

Price N/A

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