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CD74HC157 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. CD74HC157
Description  High Speed CMOS Logic Quad 2-Input Multiplexers
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC157 Datasheet(HTML) 2 Page - Texas Instruments

   
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Description
The Harris CD74HC157, CD74HCT157, CD74HC158 and
CD74HCT158 are quad 2-input multiplexers which select
four bits of data from two sources under the control of a
common Select input (S). The Enable input (E) is active Low.
When (E) is High, all of the outputs in the 158, the inverting
type, (1Y-4Y) are forced High and in the 157, the non-
inverting type, all of the outputs (1Y-4Y) are forced Low,
regardless of all other input conditions.
Moving data from two groups of registers to four common
output busses is a common use of these devices. The state
of the Select input determines the particular register from
which the data comes. They can also be used as function
generators.
Ordering Information
PART NUMBER
TEMP. RANGE (oC)
PACKAGE
PKG.
NO.
CD74HC157E
-55 to 125
16 Ld PDIP
E16.3
CD74HCT157E
-55 to 125
16 Ld PDIP
E16.3
CD74HC158E
-55 to 125
16 Ld PDIP
E16.3
CD74HCT158E
-55 to 125
16 Ld PDIP
E16.3
CD74HC157M
-55 to 125
16 Ld SOIC
M16.15
CD74HCT157M
-55 to 125
16 Ld SOIC
M16.15
CD74HC158M
-55 to 125
16 Ld SOIC
M16.15
NOTES:
1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.
2. Wafer or die for this part number is available which meets all elec-
trical specifications. Please contact your local sales office or
Harris customer service for ordering information.
CD74HC157, CD74HCT157, CD74HC158, CD74HCT158


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