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Product Detailed Parameters
- Description：IC MULTIPLEXER 2 X 4:1 16SOIC
- Series：74AS
- Mfr：Texas Instruments
- Package：Bulk,Tube
- Type：Multiplexer
- Circuit：2 x 4:1
- Independent Circuits：1
- Current - Output High, Low：2.6mA, 24mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The SN74AS153D is a dual 1-of-4 data selector/multiplexer in a 16-pin Small Outline (SOIC) package. It operates from 0°C to 70°C with a supply voltage of 4.5V to 5.5V. Key electrical parameters include high-level output current of -15mA and low-level output current of 48mA at VCC=4.5V. Propagation delays range from 2ns to 12.5ns depending on the input path.
Feature Summary
- Contains two independent 4-line multiplexers with shared binary decoding select inputs
- Features separate strobe enable lines for each multiplexer section
- Provides full binary decoding via internal inverters and drivers
Applications
- Multiplexing multiple signal sources into a single transmission line
- Parallel-to-serial data conversion circuits
- Cascading configurations for expanding n-lines to n-lines selection
Procurement Notes
Verify the specific ordering suffix 'D' corresponds to the SOIC package variant. Confirm RoHS compliance status as indicated in the manufacturer's packaging addendum. Ensure the application environment remains within the specified commercial temperature range of 0°C to 70°C for proper device characterization.
Selection Notes
Select this component when dual independent 4-to-1 multiplexing is required within a single package. The AS logic family offers higher drive currents compared to standard ALS variants. Verify that the 16-pin SOIC footprint aligns with the target PCB layout constraints and soldering capabilities.
Part Context
This device belongs to the Texas Instruments SN74AS series, representing Advanced Schottky TTL logic. It serves as a functional equivalent to other dual 4-line multiplexers but provides enhanced switching speeds and output drive capabilities suitable for high-performance digital systems requiring rapid data routing.
Replacement Considerations
The SN74ALS153D is a documented alternative offering similar functionality with lower power consumption. Verify pin compatibility and ensure the reduced drive current meets the load requirements of the destination circuitry before substitution.
