74ACT253

74AC253, 74ACT253 Dual 4-Input Multiplexer with 3-STATE Outputs

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74AC253, 74ACT253 Dual 4-Input Multiplexer with 3-STATE Outputs

April 2007

74AC253, 74ACT253 Dual 4-Input Multiplexer with 3-STATE Outputs
Features
ICC and IOZ reduced by 50% Multifunction capability Non inverting 3-STATE outputs Outputs source/sink 24mA ACT253 has TTL-compatible inputs

General Description
The AC/ACT253 is a dual 4-input multiplexer with 3-STATE outputs. It can select two bits of data from four sources using common select inputs. The outputs may be individually switched to a high impedance state with a HIGH on the respective Output Enable (OE) inputs, allowing the outputs to interface directly with bus oriented systems.

Ordering Information
Order Number
74AC253SC 74AC253SJ 74AC253PC 74ACT253SC 74ACT253SJ 74ACT253MTC

Package Number
M16A M16D N16E M16A M16D MTC16

Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

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

Connection Diagram

Pin Descriptions
Pin Names
I0a I3a I0b I3b S0, S1 OEa OEb Za, Zb

Description
Side A Data Inputs Side B Data Inputs Common Select Inputs Side A Output Enable Input Side B Output Enable Input 3-STATE Outputs

FACTTM is a trademark of Fairchild Semiconductor Corporation. 1988 Fairchild Semiconductor Corporation 74AC253, 74ACT253 Rev. 1.5 www.fairchildsemi.com