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.

Author: Kiganris Mooguzragore
Country: Lesotho
Language: English (Spanish)
Genre: Travel
Published (Last): 18 June 2005
Pages: 69
PDF File Size: 14.42 Mb
ePub File Size: 9.64 Mb
ISBN: 918-8-29846-889-7
Downloads: 72037
Price: Free* [*Free Regsitration Required]
Uploader: Maur

Typical average propagation delay times. All inputs are buffered and input clamping diodes are provided to minimize transmission-line effects and thereby simplify system design. The demultiplexing function is performed by using the 4 input lines to address the output line, passing data from one of the strobe inputs with the other strobe input low.

TheInformation Type No. For example, if the target application requires 16 7-segment LED displays, but your microcontroller only has 4 lines to select which display is active, this chip 74LS would provide a very effective method of essentially multiplying you selecting lines by a 4 times.

Previous 1 2 LS 1-of line 1N, 1N, ns TTL pin configuration 74l154 pin configuration of 74LS 74ls pin diagram of 74ls circuit diagram of 74ls decoder demultiplexer decoder.

LS circuit diagram of 74ls 1 to 16 demultiplexer decoder pin configuration of pin diagram decoder pin diagram of 74ls 74LS Dztasheet Text: Depending on the binary code, causes one of sixteen outputs to godecoding lines through cascading, and simplifies the design of address decoding circuits in a memoryimprove the quality and the reliability of its products.


The ‘ can be used as a 1- of demultiplexer by using one of the enable. Operating Free Air Temperature Range. Typical power dissipation 31 mW.

Datasheet «74LS154»

Performs at parallel-to-serial conversion. Advanced Electronic Packaging Abstract: Demultiplexer IC Abstract: High fan-out, low impedance, totem pole outputs.

The unique features of the 8X IV bus and instruction set permit 8-bit parallel data toand merged into any set of from 1 to 8 contiguous bits at the destination. This chip is often used in demultiplexing applications, such as digital clocks, LED matrices, and other graphical outputs. Two active low enables ST and G2 are provided to ease cascading of decoders with little or no external logic.

74LS154 Datasheet PDF

Not more than one output should be shorted at a time, and the duration should not exceed 74ps154 second. All typicals are at V. Select inputs A and B are common to both sections. The device should not be operated at these limits. Devices also available in Tape and Reel. It has darasheet same high speed performance of LSTTL combined with true CMOS lowselected one of sixteen outputs excluding the otherfifteenoutputs, when both the stro be inputs, G1 and G2simplifies the design of address decoding circuits in memory control systems.

74LS Datasheet, PDF – Alldatasheet

All inputs are protected from damage due to static discharge byrouting applications. A binary code applied to the four inputs A to D provides a low level at the selected one of sixteen outputs excluding the other fifteen outputsdecoding lines through cascading, and simplifies the design of address decoding circuits in memo ry controlOutput Pin DC Vcc or Ground Current Power Dissipation Storage Temperature Parameter Value 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.


Download the datasheet below for a more comprehensive summary.

Strobe enable line provided for cascading N lines to n lines. In the majority of cases, the choice of a bipolar microprocessor slice, as opposed to a MOS devicedatasueet executing all instructions in ns. Nevertheless, semiconductor devices in.

Each of the 16 outputs can be connected through a resistor and then through an LED to serve as a simple 16 LED controller.

Nevertheless, semiconductor devices in general. Life support devices or systems are devices or systems. The entire process of input.

74LS Datasheet(PDF) – National Semiconductor (TI)

Depending on the binary code, causes one of sixteen outputs to godecoding lines through cascading, and simplifies the design of address decoding circuits in a memoryworking to improve 74ps154 quality and the reliability of its products.

However, due adtasheet the internal structure of theonly one output can be enabled at a time. If the device is enabled these inputs determine which one of the 16 normally high outputs will go low.

Free Air Operating Temperature. Alt inputs are equipped with.

Last modified: January 10, 2020