IC 74138 PDF

Lead Small Outline Integrated Circuit (SOIC), JEDEC MS, Narrow. DM74LSSJ. M16D. Lead Small Outline Package (SOP), EIAJ TYPE II. A. ACTIVE. LCCC. FK. 1. TBD. POST-PLATE. N / A for Pkg Type. – 55 to A. SNJ54LS. FK. EA. ACTIVE. 74LS is a high speed 1-of-8 Decoder/ Demultiplexer. Shop/Components & Parts/IC’s/74 SERIES/74LS HD74LSP 3 to 8 Decoder/Demultiplexer.

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Choose an option 20 28 This means that the effective system delay introduced by the Schottky-clamped system decoder is negligible. Product already added to wishlist! Drivers Motors Relay Servos Arduino. All of its essential components and connections are illustrated by graphic symbols arranged to describe operations as clearly as possible but without regard to the physical form of the various items, components or connections.

An enable input can be used as a data input for demultiplexing applications. In high-performance memory systems, these decoders can be used to minimize the effects of system 741388. The memory unit data exchange rate determines the performance of any application and the delays of any kind are not tolerable there.

The three buttons here represent three input lines for the device. The chip is designed for decoding or de-multiplexing applications and comes with 3 inputs to 8 output setup.

A line decoder can be implemented without external inverters and a line decoder requires only one inverter. Also the chip inputs are clamped with high-performance Schottky diodes to suppress line-ringing and simplify system design.

TL — Programmable Reference Voltage. Features 74ls features include; Designed Specifically for 741338 This enables the use of current limiting resistors to interface inputs to voltages in excess of V CC.

Two active-low and one active-high enable inputs reduce the need for external gates or inverters when expanding. For understanding the working let us consider the if table of the device.

This means that the effective system delay introduced by the decoder is negligible to affect the performance. These devices contain four independent 2-input AND gates. The 74lS decode one of eight lines dependent on the conditions at the three binary select inputs and the three enable inputs. Ic 74ls Logic Lc Whats 7138 Ic 74ls logic diagram the inverters are not shown in the diagram let s look at how this circuit works first we need to remember the following being a visually based language it is easy 71438 spot where in a rung circuit the logic is stuck additionally with its similarity to relay control ladder diagrams ladder logic gives electricians eng multisim programmable logic diagram circuit this tutorial demonstrates how by using the intuitive tools within multisim and the digilent educational teaching boards students can take a hands on the coding lessons are accessible to four year olds and really illustrate basic coding logic and order of operations without if you ve read the previous articles on pass transistor logic diagram is more straightforward just remember that Ic 74ls logic diagram the.

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It features fully buffered inputs, each of which represents only one normalized load to its driving circuit.

Logic IC 74138

For understanding the working of device let us construct a simple application circuit with a few external components as shown below. As shown in table first three rows the enable pins needed to be connected appropriately or irrespective of input lines all outputs will be high. Here the outputs are connected to LED to show which output pin goes LOW and do remember the outputs of the device are inverted.

After connecting the enable pins as shown in circuit diagram you can use the input line to get the output.

Product successfully added to your wishlist! How to use 74LS Decoder 7438 understanding the working of device let us construct a simple application circuit with a few external components as shown below.

As mentioned earlier the chip is specifically designed to be used in high-performance memory-decoding or data-routing 7413 which require very short propagation delay times.

Inputs include clamp diodes. The design is also made for the chip to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. This way we can realize all the truth table by toggling the three buttons B1, B2 and B3 Three inputs A0, A1 and A2 and with that we have three input to eight output decoder.

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Reviews 0 Leave A Review You must be logged in to leave a review. Choose an option 3. Select options Learn More. The three enable pins of chip in which Two active-low and one active-high reduce the need for external gates or inverters when expanding. All inputs are clamped with high-performance Schottky diodes to suppress line-ringing and lc simplify system design. Wiring Diagram Third Level.

74LS Decoder Pinout, Features, Circuit & Datasheet

A line decoder can be implemented 741388 no external inverters, and a line decoder requires only one inverter. Description Resources Learn Videos Blog 74ls Schottky-clamped TTL MSI circuits are designed to be used in high-performance memory decoding or data-routing applications requiring very short propagation delay times.

Add to cart Learn More. Standard frequency crystals — use these crystals to provide a clock input to your microprocessor.

You must be logged in to leave a review. In such applications using 74LS line decoder is ideal because the delay times of this device are less than the typical access time of the memory. Submitted by admin on 26 October This device is ideally suited for high speed bipolar memory chip select address decoding.

I LM is a quadruple, independent, high-gain, internally compensated operational amplifiers designed to have operating characteristics similar to the LM When employed with high-speed memories utilizing a fast enable circuit, the delay times of these decoders and the enable time of the memory are usually less than the typical access time of the memory.

In high performance memory systems these decoders can be used to minimize the effects of system decoding. This amplifier exhibit low supply-current drain and input bias and offset currents that 74183 much less than that of the LM Features jc Electrical characteristics of 74LS Decoder Designed specifically for high speed Incorporates three enable pins to simplify cascading De-multiplexing capability Schottky clamped for high performance ESD protection Balanced propagation delays Inputs accept voltages higher than VCC Supply voltage:

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