Lead Small Outline Integrated Circuit (SOIC), JEDEC MS, Narrow. DM74LS00SJ 2. D. M. 74LS Absolute Maximum Ratings(Note 1). Note 1: The . This datasheet has been downloaded from: www . An IMPORTANT NOTICE at the end of this data sheet addresses availability, .. metrics, see the Semiconductor and IC Package Thermal Metrics application .. LevelC-UNLIM. 0 to 74LS SN74LS00PSR. ACTIVE. SO. PS. 8. Part Number: 74LS00, Maunfacturer: National Semiconductor, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor.

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Retrieved 24 May List of series datassheet circuits. It was jokingly referred to in the Eastern Bloc electronics industry as the “elephant-dung packaging”, due to its appearance.

Around the production of standard logic ceased in all Eastern European countries except the Soviet Union and later Russia and Belarus. Instead of the ubiquitous black resin, they had a brownish-green body colour with subtle swirl marks created during the moulding process. Like the seriesthe newer CMOS versions of the series are also usable as analogue amplifiers using negative feedback similar to operational amplifiers with only an inverting input [ citation needed ].

In the case when any one input is HIGH: Under normal circumstances both datasheft are not pressed and are open. The Soviet integrated circuit designation is different from the Western series:.

The and series were used in many popular minicomputers in the s and early s. The quad NAND gate was the first product in the series, introduced by Texas Instruments in a military grade metal flat package W in October Retrieved October 14, Both transistors will be ON and voltage across both of them will be zero. The 74F family was introduced by Fairchild Semiconductor and adopted by other manufacturers; it is faster than the 74, 74LS and 74S families.

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Integrated circuits Digital satasheet introductions.

The chip is available in different packages and is chosen depending on requirement. Retrieved 5 June When you want logic inverter.

Often a part from a different 74×00 subfamily could be substituted ” drop-in replacement ” in a circuit, with the same function and pin-out yet more appropriate characteristics for an application perhaps speed fatasheet power consumptionwhich was a large part of the appeal of the 74C00 series over the competing CDB series, for example.

Since the s, new product families have been released to replace the original series. The 74H family is the same basic design as the family with resistor values reduced. Intypical quantity-one pricing for the SN military grade, in ceramic welded flat-pack was around 22 USD.

Retrieved 26 March The fastest types and very low voltage versions are typically surface-mount only, however. Here we have connected two inputs to two buttons datashdet output is connected to a LED. A short-lived 64 prefix on Texas Instruments parts indicated an industrial temperature 74ls000 this prefix had been dropped from the TI literature by The series of transistor—transistor logic TTL integrated circuits are the most popular family of TTL integrated circuit logic.

With that the datasheett supply voltage appears across the transistor which is in OFF state. Where high speed NAND operation is necessary. This allowed simulation of the finished product and testing of the logic before the availability of software simulations of integrated circuits. The 74S family, using Schottky circuitry, uses more power than the 74, but is faster.

Introducing Integrated Circuits

The internal connection of four gates is shown below. Additional characters in a part number identify the package and other variations. Several generations of pin-compatible descendants of the original family have since become de facto standard electronic components. As integrated circuits in the series were made in different technologies, usually compatibility was retained with the original TTL logic levels and power supply voltages.


Some manufacturers, such as Mullard and Siemens, had pin-compatible TTL parts, but with a completely different numbering scheme; however, data sheets identified the compatible number as an aid to recognition. Retrieved 11 November While designed as a family of digital logic, some TTL chips were used in analogue circuits, such as Schmitt triggers [ citation needed ].

IC Datasheet: 74LS Data Sheet : Free Download, Borrow, and Streaming : Internet Archive

So the total supply voltage appears across the transistors Q1 and Q2. Views Read Edit View history.

This chip has less transition times which are needed for high speed applications. When both inputs are HIGH: Motoroloa Semiconductor Products Inc. Each gate can be used separately.

In the early days of large-scale IC development, a prototype of a new large-scale integrated circuit might have been developed using TTL chips on several circuit 74ls000, before committing to manufacture of the target device in IC form.

But there are a few exceptions where incompatibilities mainly in pin-out across the subfamilies occurred, such as:. Some companies have also offered industrial extended temperature range variants using the regular series part numbers with a prefix or suffix to indicate the temperature grade.

With that both inputs of the gate will be LOW. Retrieved 17 March