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MC74ACT257 Datasheet - Motorola

MC74ACT257_Motorola.pdf

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Datasheet Details

Part number:

MC74ACT257

Manufacturer:

Motorola

File Size:

135.78 KB

Description:

Quad 2-input multiplexer.

MC74ACT257, QUAD 2-INPUT MULTIPLEXER

The MC74AC257/74ACT257 is a quad 2-input multiplexer with 3-state outputs.

It selects four bits of data from two sources under control of a Common Data Select input.

When the Select input is LOW, the I0x inputs are selected and when Select is HIGH, the I1x inputs are selected.

The data on the select

( DataSheet : www.DataSheet4U.com ) MC74AC257 MC74ACT257 Quad 2ĆInput Multiplexer with 3ĆState Outputs The MC74AC257/74ACT257 is a quad 2-input multiplexer with 3-state outputs.

Four bits of data from two sources can be selected using a Common Data Select input.

The four outputs present the selected data in true (noninverted) form.

The outputs may be switched to a high impedance state by placing a logic HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with

MC74ACT257 Features

* IONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS MIN MAX 9.80 10.00 3.80 4

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