Texas Instruments CD74AC253, CD54 74ACT253 Dual 4-Input Multiplexer, Three-State Owner's Manual
Summary
Dual 4-input multiplexers with three-state outputs using Advanced CMOS Logic. Selects one of four sources per section via S0/S1 with individual output enable. Features 6.3ns propagation delay at 5V, 2kV ESD protection, 24mA output drive. AC types operate 1.5V to 5.5V. Available in 16-pin PDIP, SOIC, CERDIP. For digital designers needing high-speed bus-compatible multiplexing.
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CD74AC253, CD54/74ACT253
Data sheet acquired from Harris Semiconductor SCHS247A
August 1998 - Revised May 2000 Dual 4-Input Multiplexer, Three-State
Features Description Buffered Inputs The CD74AC253 and ’ACT253 dual 4-input multiplexers that
utilize Advanced CMOS Logic technology. One of the four
Typical Propagation Delay
sources for each section is selected by the common Select
6.3ns at VCC = 5V, TA = 25o C, CL = 50p F
inputs, S0 and S1. When the Output Enable (1OE or 2OE) is HIGH, the output is in the high-impedance state.
Exceeds 2k V ESD Protection MIL-STD-883, Method
SCR-Latchup-Resistant CMOS Process and Circuit Ordering Information
Design
PART TEMP.
Speed of Bipolar FAST™/AS/S with Significantly NUMBER RANGE (o C) PACKAGE Reduced Power Consumption
CD74AC253E 0 to 70o C, -40 to 85, 16 Ld PDIP
-55 to 125
Balanced Propagation Delays
CD74AC253M 0 to 70o C, -40 to 85, 16 Ld SOIC
AC Types Feature 1.5V to 5.5V Operation and
-55 to 125
Balanced Noise Immunity at 30% of the Supply
CD54ACT253F3A -55 to 125 16 Ld CERDIP
±24m A Output Drive Current
CD74ACT253E 0 to 70o C, -40 to 85, 16 Ld PDIP
Fanout to 15 FAST™ ICs
-55 to 125
Drives 50Ω Transmission Lines
CD74ACT253M 0 to 70o C, -40 to 85, 16 Ld SOIC
-55 to 125
NOTES: 1. When ordering, use the entire part number. Add the suffix to obtain the variant in the tape and reel. 2. Wafer and die for this part number is available which meets all elec- trical specifications. Please contact your local TI sales office or cus- tomer service for ordering information.
Pinout
CD54ACT253 (CERDIP) CD74AC253, CD74ACT253 (PDIP, SOIC) TOP VIEW
1OE VCC S1 2OE 1I3 S0 1I2 2I3
1I0 2I1 1Y 2I0 GND 2Y
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. FAST™ is a Trademark of Fairchild Semiconductor. Copyright © 2000, Texas Instruments Incorporated.
Page Summary Contents For Texas Instruments CD74AC253, CD54 74ACT253 Dual 4-Input Multiplexer, Three-State Owner's Manual
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 7 |
| File Size | 35.74 KB |
| Published | June 16, 2026 |
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Frequently Asked Questions
What is the function of the Output Enable (OE) pin?
When the Output Enable (OE) is HIGH, the output is in a high-impedance state.
What is the typical propagation delay?
Typical propagation delay is 6.3ns at Vcc=5V, Ta=25°C, Cl=50pF.
What is the operating voltage range for the AC series?
The AC series operates from 1.5V to 5.5V.