SN74ALVCH16373 - 具有三态输出的 16 位透明 D 类锁存器

SN74ALVCH16373是TI德州仪器公司的一款D类锁存器产品，SN74ALVCH16373是具有三态输出的 16 位透明 D 类锁存器，本站介绍了SN74ALVCH16373的封装应用图解、特点和优点、功能等，并给出了与SN74ALVCH16373相关的TI元器件型号供参考。

SN74ALVCH16373 - 具有三态输出的 16 位透明 D 类锁存器 - D类锁存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

This 16-bit transparent D-type latch is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH16373 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. This device can be used as two 8-bit latches or one 16-bit latch. When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs.

A buffered output-enable (OE)\ input can be used to place the eight outputs in either a normal logic state (high or low logic levels) 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 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 latch. 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 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
Operates From 1.65 V to 3.6 V
Max tpd of 3.6 ns at 3.3 V
±24-mA Output Drive at 3.3 V
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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