Datasheet

1
Data sheet acquired from Harris Semiconductor
SCHS247A
Features
Buffered Inputs
Typical Propagation Delay
- 6.3ns at V
CC
= 5V, T
A
= 25
o
C, C
L
= 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 50 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.
Pinout
CD54ACT253
(CERDIP)
CD74AC253, CD74ACT253
(PDIP, SOIC)
TOP VIEW
Ordering Information
PART
NUMBER
TEMP.
RANGE (
o
C) PACKAGE
CD74AC253E 0 to 70
o
C, -40 to 85,
-55 to 125
16 Ld PDIP
CD74AC253M 0 to 70
o
C, -40 to 85,
-55 to 125
16 Ld SOIC
CD54ACT253F3A -55 to 125 16 Ld CERDIP
CD74ACT253E 0 to 70
o
C, -40 to 85,
-55 to 125
16 Ld PDIP
CD74ACT253M 0 to 70
o
C, -40 to 85,
-55 to 125
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.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
1OE
S
1
1I
3
1I
2
1I
1
1I
0
GND
1Y
V
CC
S
0
2I
3
2I
2
2I
1
2I
0
2Y
2OE
August 1998 - Revised May 2000
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.
CD74AC253,
CD54/74ACT253
Dual 4-Input Multiplexer, Three-State

Summary of content (15 pages)