低电压 CMOS 16 位 D 类触发器

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概览

MC74LCX16374 是一款高性能、非逆向 16 位 D 类触发器,由 2.3 至 3.6V 电源供电。此器件为字节控制。每个字节都有单独的输出启用和时钟脉冲输入。这些控制引脚可以联接在一起以实现完全 16 位运行。高阻抗 TTL 兼容输入可明显降低输入驱动器的电流负载,而 TTL 兼容输出改善了开关噪声性能。5.5V 的 VI 规格使得 MC74LCX16374 输入能够基于 5V 器件进行安全驱动。MC74LCX16374 由 16 个边沿触发器组成,每个触发器都有独立的 D 型输入和 5V 耐压 3 态真输出。缓冲时钟 (CPn) 和缓冲输出启用 (OEnbar) 对于各自字节内的所有触发器都是公用的。此类触发器在低-高电平时钟 (CP) 转换时存储符合设置和保持时间要求的各个 D 输入的状态。当 OEbar 为低电平时,输出会提供触发器的内容。当 OEbar 为高电平时,输出进入高阻抗状态。OEbar 输入电平不会影响触发器的运行。

  • Designed for 2.3 to 3.6V VCC Operation
  • 6.2ns Maximum tpd
  • 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 (20mA) Substantially Reduces System Power Requirements
  • Latchup Performance Exceeds 500mA
  • ESD Performance: Human Body Model >2000V; Machine Model >200V
  • These are Pb-Free Devices

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M74LCX16374DTR2G

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CAD Model

Pb

A

H

P

TSSOP-48

1

260

REEL

2500

N

D-Type

16

2

3.6

6.2

24

$0.9552

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MC74LCX16374DTG

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CAD Model

Pb

A

H

P

TSSOP-48

1

260

TUBE

39

N

D-Type

16

2

3.6

6.2

24

Price N/A

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