74ACT258

74ACT258 Quad 2-Input Multiplexer with 3-STATE Outputs

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74ACT258 Quad 2-Input Multiplexer with 3-STATE Outputs

April 2007

74ACT258 Quad 2-Input Multiplexer with 3-STATE Outputs
Features
ICC and IOZ reduced by 50% Multiplexer expansion by tying outputs together Inverting 3-STATE outputs Outputs source/sink 24mA TTL-compatible inputs

General Description
The ACT258 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 the complement (inverted) form. The outputs may be switched to a high impedance state with a HIGH on the common Output Enable (OE) input, allowing the outputs to interface directly with bus-oriented systems.

Ordering Information
Order Number
74ACT258SC 74ACT258SJ 74ACT258MTC

Package Number
M16A M16D MTC16

Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Body 16-Lead Small Outline Package (SOP), EIAJ TYPE 11, 5.3mm Wide 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

Device also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering number.

Connection Diagram

Pin Description
Pin Names
S OE I0a I0d I1a I1d Za Zd

Description
Common Data Select Input 3-STATE Output Enable Input Data Inputs from Source 0 Data Inputs from Source 1 3-STATE Inverting Data Outputs

FACTTM is a trademark of Fairchild Semiconductor Corporation. 1988 Fairchild Semiconductor Corporation 74ACT258 Rev. 1.4 www.fairchildsemi.com