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CD74AC253_07 Datasheet, PDF (1/15 Pages) Texas Instruments – Dual 4-Input Multiplexer, Three-State
Data sheet acquired from Harris Semiconductor
SCHS247A
CD74AC253,
CD54/74ACT253
August 1998 - Revised May 2000
Dual 4-Input Multiplexer, Three-State
Features
• Buffered Inputs
• Typical Propagation Delay
- 6.3ns at VCC = 5V, TA = 25oC, CL = 50pF
• Exceeds 2kV ESD Protection MIL-STD-883, Method
3015
• SCR-Latchup-Resistant CMOS Process and Circuit
Design
• Speed of Bipolar FAST™/AS/S with Significantly
Reduced Power Consumption
• Balanced Propagation Delays
• AC Types Feature 1.5V to 5.5V Operation and
Balanced Noise Immunity at 30% of the Supply
• ±24mA Output Drive Current
- Fanout to 15 FAST™ ICs
- Drives 50Ω Transmission Lines
Description
The CD74AC253 and ’ACT253 dual 4-input multiplexers that
utilize Advanced CMOS Logic technology. One of the four
sources for each section is selected by the common Select
inputs, S0 and S1. When the Output Enable (1OE or 2OE) is
HIGH, the output is in the high-impedance state.
Ordering Information
PART
NUMBER
CD74AC253E
CD74AC253M
TEMP.
RANGE (oC)
0 to 70oC, -40 to 85,
-55 to 125
0 to 70oC, -40 to 85,
-55 to 125
PACKAGE
16 Ld PDIP
16 Ld SOIC
CD54ACT253F3A
CD74ACT253E
CD74ACT253M
-55 to 125
0 to 70oC, -40 to 85,
-55 to 125
0 to 70oC, -40 to 85,
-55 to 125
16 Ld CERDIP
16 Ld PDIP
16 Ld SOIC
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 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 1
S1 2
1I3 3
1I2 4
1I1 5
1I0 6
1Y 7
GND 8
16 VCC
15 2OE
14 S0
13 2I3
12 2I2
11 2I1
10 2I0
9 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.
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