SN74AHC245QPWR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SN74AHC245QPWR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(fǎng)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(xiàn)之間進(jìn)行隔離通信。

Q Devices Meet Automotive Performance

Requirements

Customer-Specific Configuration Control

Can Be Supported Along With

Major-Change Approval

Operating Range 2-V to 5.5-V VCC

Latch-Up Performance Exceeds 250 mA Per

JESD 17

description

The SN74AHC245Q octal bus transceiver is

designed for asynchronous two-way

communication between data buses. The

control-function implementation minimizes

external timing requirements.

This device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on

the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the

device so that the buses are effectively isolated.

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.