SN74LVCH245ARGYR集成電路（IC）的緩沖器驅(qū)動(dòng)器接收器收發(fā)器規(guī)格書(shū)PDF中文資料

SN74LVCH245ARGYR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SN74LVCH245ARGYR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? Operate From 1.65 V to 3.6 V

? Inputs Accept Voltages to 5.5 V

? Max tpd of 6.3 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

? Support Mixed-Mode Signal Operation on All

Ports (5-V Input/Output Voltage With

3.3-V VCC)

? Ioff Supports Live Insertion, Partial-Power-Down

Mode, and Back-Drive Protection

? Bus Hold on Data Inputs Eliminates the Need for

External Pullup or 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)

? On Products Compliant to MIL-PRF-38535,

All Parameters Are Tested Unless Otherwise

Noted. On All Other Products, Production

Processing Does Not Necessarily Include Testing

of All Parameters.

2 Applications

? Servers

? PCs and Notebooks

? Network Switches

? Wearable Health and Wellness Devices

? Telecom Infrastructures

? Electronic Points of Sale

3 Description

The SN54LVCH245A octal bus transceiver is

designed for 2.7-V to 3.6-V VCC operation, and the

SN74LVCH245A octal bus transceiver is designed for

1.65-V to 3.6-V VCC operation. Inputs can be driven

from either 3.3-V or 5-V devices. This feature allows

the use of these devices as translators in a mixed

3.3-V/5-V system environment.