SN74LS139
Dual 1-of-4 Decoder/
Demultiplexer
The LSTTL/MSI SN74LS139 is a high speed Dual 1-of-4
Decoder/Demultiplexer. The device has two independent decoders,
each accepting two inputs and providing four mutually exclusive
active LOW Outputs. Each decoder has an active LOW Enable input
which can be used as a data input for a 4-output demultiplexer. Each
half of the LS139 can be used as a function generator providing all
four minterms of two variables. The LS139 is fabricated with the
Schottky barrier diode process for high speed and is completely
compatible with all ON Semiconductor TTL families.
http://onsemi.com
LOW
POWER
SCHOTTKY
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鈥?/div>
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Schottky Process for High Speed
Multifunction Capability
Two Completely Independent 1-of-4 Decoders
Active Low Mutually Exclusive Outputs
Input Clamp Diodes Limit High Speed Termination Effects
ESD > 3500 Volts
16
1
GUARANTEED OPERATING RANGES
Symbol
V
CC
T
A
I
OH
I
OL
Parameter
Supply Voltage
Operating Ambient
Temperature Range
Output Current 鈥?High
Output Current 鈥?Low
Min
4.75
0
Typ
5.0
25
Max
5.25
70
鈥?0.4
8.0
Unit
V
擄C
mA
mA
16
PLASTIC
N SUFFIX
CASE 648
1
SOIC
D SUFFIX
CASE 751B
ORDERING INFORMATION
Device
SN74LS139N
SN74LS139D
Package
16 Pin DIP
16 Pin
Shipping
2000 Units/Box
2500/Tape & Reel
漏
Semiconductor Components Industries, LLC, 1999
1
December, 1999 鈥?Rev. 6
Publication Order Number:
SN74LS139/D
74LS139相關(guān)型號(hào)PDF文件下載
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