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  • SN74LS145N


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Texas Instruments


Decoder and Demux


Decoder/Driver Single 4-to-10 16-Pin PDIP Tube

Choose between multiple outputs given a certain selection inputs with this SN74LS145N from Texas Instruments. With an open collector output, this is power management at its best. This decoder has a minimum operating temperature of 0 °C and a maximum of 70 °C. This device comes in tube packaging. This inverting device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 4.75 V, while its maximum is 5.25 V.


EU RoHS Compliant

Logic Family LS

Logic Function Decoder/Driver

Fabrication Technology Bipolar

Demultiplexing Capability 1-of-10

Number of Elements per Chip 1

Number of Element Inputs 4

Number of Element Outputs 10

Output Type Open Collector

Polarity Inverting

Minimum Operating Temperature (°C) 0

Maximum Operating Temperature (°C) 70

Packaging Tube

Absolute Propagation Delay Time (ns) 50

Maximum High Level Output Current (mA) -0.25

Maximum Low Level Output Current (mA) 80

Minimum Operating Supply Voltage (V) 4.75

Typical Operating Supply Voltage (V) 5

Maximum Operating Supply Voltage (V) 5.25

Maximum Quiescent Current (mA) 7(Typ)

Mounting Through Hole

Package Height (mm) 5.08(Max) - 0.51(Min)

Package Length (mm) 19.69(Max)

Package Width (mm) 6.6(Max)

PCB changed 16

Standard Package Name DIP

Supplier Package PDIP

Pin Count 16

Lead Shape Through Hole


• Full Decoding of Input Logic

• SN54145, SN74145, and SN74LS145 Have

80-mS Sink-current Capability

• All Outputs Are Off for Invalid

BCD Input Conditions

• Low Power Dissipation of 'LS145 . . .

35 mW Typical



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