Part Number: 74LS, Maunfacturer: National Semiconductor, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise . 74LS 4-line to line Decoder/demultiplexer. Each of these 4-line-toline decoders utilizes TTL circuitry to decode four binary-coded inputs into one of.
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Separate strobe inputs are provided for each of the two four-line sections.
Permits multiplexing from N lines to 1 line. Performs at parallel-to-serial conversion. Strobe enable line provided for cascading N lines to n lines.
High fan-out, low impedance, totem pole outputs. Typical average propagation delay times. Typical power dissipation 31 mW.
(PDF) 74LS154 Datasheet download
Devices also available in Tape dafasheet Reel. Specify by appending the suffix letter “X” to the ordering code. Select inputs A and B are common to both sections. The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed.
The device should not be operated at these limits.
74LS Datasheet(PDF) – Fairchild Semiconductor
The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. All typicals are at V. Not more than one output should be shorted at a time, and the duration should not exceed one second.
74LS Datasheet(PDF) – National Semiconductor (TI)
Operating Free Air Temperature Range. Free Air Operating Temperature. Input Current Max Input Voltage.
Short Circuit Output Current. Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.
Life support devices or systems are devices or systems. A critical component in any component of a life support.
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