SN74LVCHR16245AVR屬于集成電路（IC）的緩沖器驅(qū)動(dòng)器接收器收發(fā)器。由美國(guó)德州儀器公司制造生產(chǎn)的SN74LVCHR16245AVR緩沖器，驅(qū)動(dòng)器，接收器，收發(fā)器邏輯緩沖器、驅(qū)動(dòng)器、接收器和收發(fā)器允許隔離對(duì)某個(gè)電路的邏輯信號(hào)的訪問(wèn)，以用于另一電路。緩沖器將其輸入信號(hào)（不變或反相）傳遞到其輸出，并可能用于清除弱信號(hào)或驅(qū)動(dòng)負(fù)載。在布爾邏輯仿真器中，緩沖器主要用于增加傳播延遲。邏輯接收器和收發(fā)器允許在數(shù)據(jù)總線之間進(jìn)行隔離通信。

1 Features

1? Member of the Texas Instruments

Widebus? Family

? Operates From 1.65 V to 3.6 V

? Inputs Accept Voltages to 5.5 V

? Max tpd of 4.8 ns at 3.3 V

? Typical VOLP (Output Ground Bounce)

< 0.8 V at VCC = 3.3 V, TA = 25°C

? Typical VOHV (Output VOH Undershoot)

> 2 V at VCC = 3.3 V, TA = 25°C

? Supports Mixed-Mode Signal Operation on

All Ports (5-V Input/Output Voltage

With 3.3-V VCC)

? Bus Hold on Data Inputs Eliminates the Need for

External Pullup or Pulldown Resistors

? All Outputs Have Equivalent 26-Ω Series

Resistors, So No External Resistors Are Required

? Ioff Supports Live Insertion, Partial Power-Down

Mode, and Back-Drive Protection

? Latch-Up Performance Exceeds 250 mA

Per JESD 17

? ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model

– 200-V Machine Model

2 Applications

? Telecom Infrastructures

? Industrial Transport

? Wireless Infrastructures

? Servers

? Tests and Measurements

3 Description

This 16-bit (dual-octal) noninverting bus transceiver is

designed for 1.65-V to 3.6-V VCC operation.

The SN74LVCHR16245A device is designed for

asynchronous communication between data buses.

The control-function implementation minimizes

external-timing requirements.