SN74ALVCH162374 - 具有三态输出的 16 位边沿触发 D 类触发器

SN74ALVCH162374是TI德州仪器公司的一款D类触发器产品，SN74ALVCH162374是具有三态输出的 16 位边沿触发 D 类触发器，本站介绍了SN74ALVCH162374的封装应用图解、特点和优点、功能等，并给出了与SN74ALVCH162374相关的TI元器件型号供参考。

SN74ALVCH162374 - 具有三态输出的 16 位边沿触发 D 类触发器 - D类触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

This 16-bit edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH162374 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. It can be used as two 8-bit flip-flops or one 16-bit flip-flop. On the positive transition of the clock (CLK) input, the Q outputs of the flip-flop take on the logic levels set up at the data (D) inputs.

The output-enable (OE)\ input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and the increased drive provide the capability to drive bus lines without need for interface or pullup components. OE\ does not affect internal operations of the flip-flop. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

The outputs, which are designed to sink up to 12 mA, include equivalent 26- resistors to reduce overshoot and undershoot.

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 holds unused or undriven inputs at a valid logic state. 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
Output Ports Have Equivalent 26- Series Resistors, So No External Resistors Are Required
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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