Datasheet Details
Part number:
MC74AC257, MC74ACT257
Manufacturer:
Motorola
File Size:
135.78 KB
Description:
Quad 2-input multiplexer.
Note:
This datasheet PDF includes multiple part numbers: MC74AC257, MC74ACT257.
Please refer to the document for exact specifications by model.
MC74AC257, 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
MC74AC257 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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