Latches & Registers | MM74HCT373

3态八路D型锁存器

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CAD Model

CAD模型

概览

MM74HCT373八路D型锁存器和MM74HCT374八路D型触发器采用了先进的硅栅极CMOS技术，可以提供低功耗和宽电源范围的固有优势，但是与LS-TTL输入和输出特性以及引脚分配兼容。 3态输出能够驱动15 LS-TTL负载。 保护所有输入端，以免因内部二极管至VCC和地线的静电放电而受到损坏。 当MM74HCT373 LATCH ENABLE（锁存使能）输入为高电平时，Q输出端将要遵照D输入端。 当LATCH ENABLE变为低电平时，D输入端的数据将保留在输出端，直到LATCH ENABLE再次返回高电平。 当高逻辑电平应用于OUTPUT CONTROL（输出控制）输入端时，所有输出端进入高阻抗状态，不管其他输入端存在什么信号，也不管存储元件的状态如何。 MM74HCT374是正边沿触发的触发器。 在CLOCK (CK)输入的正向转换过程中，D输入端的数据（符合设置和保持时间的要求）被传输到Q输出端。 当高逻辑电平应用于OUTPUT CONTROL（输出控制）输入端时，所有输出端进入高阻抗状态，不管其他输入端存在什么信号，也不管存储元件的状态如何。 MM74HCT器件专用于TTL和NMOS组件与标准CMOS器件之间的接口。 这些器件也是LS-TTL器件的直接替代产品，而且可用于降低现有设计的功耗。

  • This product is general usage and suitable for many different applications.
  • TTL输入特性兼容
  • 典型传播延迟： 20 ns
  • 低输入电流： 1µA，最大值
  • 低静态电流： 80µA，最大值
  • 兼容总线导向系统
  • 输出驱动能力： 15 LS-TTL负载

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MSL Type

MSL Temp (°C)

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Reference Price

MM74HCT373MTC

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

TUBE

75

N

Latch

8

4.5

5.5

25

7.2

Price N/A

More Details

MM74HCT373MTCX

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Active

CAD Model

Pb

A

H

P

TSSOP-20

9.48

1

260

REEL

2500

N

Latch

8

4.5

5.5

25

7.2

$0.2565

More Details

MM74HCT373WM

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Obsolete

CAD Model

Pb

A

H

P

SOIC-20W

751D-05

3

260

TUBE

38

N

Latch

8

4.5

5.5

25

7.2

Price N/A

More Details

MM74HCT373WMX

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Active

CAD Model

Pb

A

H

P

SOIC-20W

751BJ

3

260

REEL

1000

N

Latch

8

4.5

5.5

25

7.2

$0.3293

More Details

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