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74ALS251

Features: • 8-to-1 multiplexing• On chip decoding• Multifunction capability• Inverting and non-inverting outputs• Both outputs are 3-State for further multiplexer expansionPinoutSpecifications SYMBOL PARAMETER RATING UNIT VCC Supply voltage 0.5 to +7.0 V...

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SeekIC No. : 004249294 Detail

74ALS251: Features: • 8-to-1 multiplexing• On chip decoding• Multifunction capability• Inverting and non-inverting outputs• Both outputs are 3-State for further multiplexer expan...

74ALS251 Data Sheet

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Part Number:
74ALS251
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• 8-to-1 multiplexing
• On chip decoding
• Multifunction capability
• Inverting and non-inverting outputs
• Both outputs are 3-State for further multiplexer expansion


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER RATING UNIT
VCC Supply voltage 0.5 to +7.0 V
VIN Input voltage 0.5 to +7.0 V
IIN Input current 30 to +5 mA
VOUT Voltage applied to output in High output state 0.5 to VCC V
IOUT Current applied to output in Low output state 48 mA
Tamb Operating free-air temperature range 0 to +70
Tstg Storage temperature range 65 to +150



Description

The 74ALS251 is a logic implementation of a single 8-position switch with the switch position controlled by the state of three select (S0, S1, S2) inputs. True (Y) and complementary (Y) outputs are both provided.

The output enable (OE) of the 74ALS251 is active Low. When OE is High, both outputs are in High impedance state, allowing multiple connections to a common bus without driving nor loading the bus significantly.

When the outputs of the 74ALS251 more than one device are tied together, the user must ensure that there is no overlap in the active-Low portion of the output enable voltages in order to avoid high currents that could exceed the maximum current rating.




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