Logic Gates | MM74HC540

反相八路 3 态缓冲器

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MM74HC540 和 MM74HC541 3 态缓冲器采用先进的硅门极 CMOS 工艺。它们具有高驱动电流输出，即使在驱动大总线电容时也能实现高速运行。这些电路与低功耗肖特基器件相比还能实现高速度，同时保留了 CMOS 电路的优点，即高抗扰性和低功耗。两个器件具有相当于 15 个 LS-TTL 输入的扇出。MM74HC540 是反相缓冲器，MM74HC541 是非反相缓冲器。该 3 态控制门极作为两输入 NOR 运行，因此当 G1# 或 G2# 为高电平时，所有八个输出均为高阻抗状态。为了增强 PC 板布局，MM74HC540 和 MM74HC541 提供的引脚输出为输入和输出位于封装的对侧。通过对二极管联接 VCC 和接地，防止所有输入因静电放电受损。

  • This product is general usage and suitable for many different applications.
  • 典型传播延迟： 12 ns
  • 3态输出用于连接系统总线
  • 宽电源范围： 2-6V
  • 低静态电流： 80 µA，最大值（74HC系列）
  • 输出电流： 6 mA

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MM74HC540MTC

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CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

Buffer

8

2

6

12

7.8

Price N/A

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MM74HC540MTCX

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

Buffer

8

2

6

12

7.8

$0.2623

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MM74HC540WM

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Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

Buffer

8

2

6

12

7.8

$0.354

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MM74HC540WMX

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

REEL

1000

N

Buffer

8

2

6

12

7.8

$0.3353

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