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SN74ALS253

Features: • 3-State Versions of the 4ALS153 and SN74AS153• Permits Multiplexing From n Lines to One Line• Performs Parallel-to-Serial Conversion• Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J)...

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SeekIC No. : 004498120 Detail

SN74ALS253: Features: • 3-State Versions of the 4ALS153 and SN74AS153• Permits Multiplexing From n Lines to One Line• Performs Parallel-to-Serial Conversion• Package Options Include Plas...

SN74ALS253 Data Sheet

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Part Number:
SN74ALS253
Supply Ability:
5000

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  • 1~5000
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Total Cost: $ 0.00

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Product Details

Description



Features:

• 3-State Versions of the 4ALS153 and SN74AS153
• Permits Multiplexing From n Lines to One Line
• Performs Parallel-to-Serial Conversion
• Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs


Pinout

Connection Diagram


Specifications

Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 7 V
Input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Voltage applied to a disabled 3-state output . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .5.5 V
Operating free-air temperature range, TA:SN54ALS253  . . . . . . . . .  . .55°C to 125°C
                                                                   SN74ALS253  . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C


Description

These SN74ALS253 data selectors/multiplexers contain inverters and drivers to supply full binary decoding data selection to the AND-OR gates. Separate output control inputs are provided for each of the two 4-line sections.

The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at a high-impedance state), the low impedance of the single enabled output drives the bus line to a high or low logic level. Each output of SN74ALS253 has its own output-enable (OE) input. The output is disabled when OE is high.

The SN54ALS253 is characterized for operation over the full military temperature range of 55°C to 125°C. The SN74ALS253 and SN74AS253A are characterized for operation from 0°C to 70°C.




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