Latches & Registers | 74LVTH16646

带3态输出的低电压16位收发器/寄存器

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概览

LVT16646和LVTH16646包含16个同相双向寄存总线收发器，直接从输入总线或内部存储寄存器提供多路复用数据传输。 每个半字节均有独立的控制输入，可以短接在一起进行完整的16位运行。 DIR输入确定数据在器件中流动的方向。 CPAB和CPBA输入在低电平至高电平转换期间将数据加载到寄存器中（见“功能描述”）。 LVTH16646数据输入包含总线保持功能，无需外部上拉电阻即可保持未用的输入。 这些收发器设计用于低电压(3.3V) VCC应用，但也可向5V环境提供TTL接口。 LVT16646和LVTH16646采用先进的BiCMOS技术制造，可实现类似于5V ABT的高速运行，同时又能维持较低的CMOS功耗。

  • This product is general usage and suitable for many different applications.
  • 系统在5V VCC时的输入和输出接口能力
  • 总线保持数据输入无需外部上拉电阻即可保留未使用的输入(74LVTH16646)
  • 另外还提供不含总线保持功能的配置(74LVT16646)
  • 允许带电插/拔
  • 上电/掉电高阻抗提供无干扰总线负载
  • -32 mA/+64 mA输出源电流/灌电流
  • 闩锁符合JEDEC JED78规定
  • 静电放电(ESD)性能：人体模型> 2000V机械模型> 200V充电器件模型> 1000V

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74LVTH16646MTDX

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Pb

A

H

P

TSSOP-56

948BR

2

260

REEL

1000

N

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16

2.7

3.6

5.2

64

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