See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

N | 20

Temp:

M (-55 to 125)

ECO Plan:

Pb-Free (RoHS)

CD74HC540E


High Speed CMOS Logic Octal Inverting Octal Buffers and Line Drivers with 3-State Outputs

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Texas Instruments CD74HC540E

The ’HC540 and CD74HCT540 are Inverting Octal Buffers and Line Drivers with Three-State Outputs and the capability to drive 15 LSTTL loads. The ’HC541 and ’HCT541 are Non-Inverting Octal Buffers and Line Drivers with Three-State Outputs that can drive 15 LSTTL loads. The Output Enables (OE1\) and (OE2\) control the Three-State Outputs. If either OE1\ or OE2\ is HIGH the outputs will be in the high impedance state. For data output OE1\ and OE2\ both must be LOW.

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