SN74ALVCH16820 - 具有双路输出和三态输出的 3.3V 10 位触发器

SN74ALVCH16820是TI德州仪器公司的一款D类触发器产品，SN74ALVCH16820是具有双路输出和三态输出的 3.3V 10 位触发器，本站介绍了SN74ALVCH16820的封装应用图解、特点和优点、功能等，并给出了与SN74ALVCH16820相关的TI元器件型号供参考。

SN74ALVCH16820 - 具有双路输出和三态输出的 3.3V 10 位触发器 - D类触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

This 10-bit flip-flop is designed for 1.65-V to 3.6-V VCC operation.

The flip-flops of the SN74ALVCH16820 are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the device provides true data at the Q outputs.

A buffered output-enable (OE)\ input can be used to place the ten outputs in either a normal logic state (high or low logic level) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without need for interface or pullup components.

OE\ input does not affect the internal operation of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry is provided to hold unused or undriven inputs at a valid logic level. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

产品特性

Member of the Texas Instruments Widebus™ Family
Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

Widebus is a trademark of Texas Instruments.

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