SN74LS156N データシートの表示（PDF） - ON Semiconductor
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SN74LS156N Datasheet PDF : 8 Pages
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SN74LS156
Dual 1-of-4 Decoder/
Demultiplexer
The SN74LS156 is a high speed Dual 1-of-4 Decoder/
Demultiplexer. This device has two decoders with common 2-bit
Address inputs and separate gated Enable inputs. Decoder “a” has an
Enable gate with one active HIGH and one active LOW input.
Decoder “b” has two active LOW Enable inputs. If the Enable
functions are satisfied, one output of each decoder will be LOW as
selected by the address inputs. The LS156 has open collector outputs
for wired-OR (DOT-AND) decoding and function generator
applications.
The LS156 is fabricated with the Schottky barrier diode process for
high speed and are completely compatible with all ON Semiconductor
TTL families.
• Schottky Process for High Speed
• Multifunction Capability
• Common Address Inputs
• True or Complement Data Demultiplexing
• Input Clamp Diodes Limit High Speed Termination Effects
• ESD > 3500 Volts
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
TA
Supply Voltage
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
VOH
IOL
Output Voltage – High
Output Current – Low
5.5
V
8.0
mA
http://onsemi.com
LS156–OPEN–COLLECTOR
LOW POWER SCHOTTKY
16
1
PLASTIC
N SUFFIX
CASE 648
16
1
SOIC
D SUFFIX
CASE 751B
ORDERING INFORMATION
Device
Package
Shipping
SN74LS156N
16 Pin DIP 2000 Units/Box
SN74LS156D
SOIC–16 38 Units/Rail
SN74LS156DR2 SOIC–16 2500/Tape & Reel
© Semiconductor Components Industries, LLC, 2001
1
October, 2001 – Rev. 1
Publication Order Number:
SN74LS156/D
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