74S00 Datasheet, 74S00 PDF, 74S00 Data sheet, 74S00 manual, 74S00 pdf, 74S00, datenblatt, Electronics 74S00, alldatasheet, free, datasheet, Datasheets, . An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters . 74S00 – Download as PDF File .pdf), Text File .txt) or read online. Datasheet.

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Many designers of military and aerospace equipment used this family over a long period and as they need exact replacements, this family is still produced by Lansdale Semiconductor. Since the s, new product families have been released to replace the original series. Originally the datahseet circuits provided higher speed but consumed more power than the competing series of CMOS devices. In normal usage a logic-HI is provided by an external pull-up resistor as shown.

Specific functions are described in a list of series integrated circuits. A good analogy to this is the pull-cord on a city bus which one pulls when requesting the driver to stop. This family arguably has the widest manufacturer support and range of available line of components.

(PDF) 74S00 Datasheet PDF Download – QUAD 2-input NAND GATE

This page was last edited on 22 Novemberat Since a regular TTL logic gate sources current for “1” and sinks current for “0,” a signal where neither of these is happening the signal is “off,” like datashet open collector outputs can actually be thought of as being datzsheet third state.

Let us examine the typical totem-pole output once again. Intypical quantity-one pricing for the SN military grade, in ceramic welded flat-pack was around 22 USD. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.


Since open collector is often used where “0” is the active state, this is also called a “wired-OR” connection, referring to an active-low OR function. What dahasheet the difference between open collector, tri-state and totem-pole outputs?

Positive-NAND Gate In Small-Outline

What is the smallest value of R such that the output is still LO? Integrated circuits Digital electronics introductions. When and why would you use tri-state and open-collector outputs as opposed to totem-pole outputs?

Vatasheet characters in a part number identify the package and other variations. Ordinarily this is a Bad Thing because outputs could drive into each other, but for open collector it’s fine: Using a very high frequency clock input measure the propagation delay of a typical 74xx or 74LSxx TTL gate.

All simulation and debugging is conducted on the computer before the chip is created. The correct term for this is “high-impedance,” often shortened to “high-Z.

That datasheett, from Ohm’s Law 740s0 talks about 1 volt across 1 ohm produces 1 ampere. What is meant by tri-state or 3-state outputs? This is useful for creating a party-line data bus or control bus whereby any one of several circuits may pull the line LO without causing damage to another active dqtasheet. Archived from the original on How is the frequency affected by values of R and C? However, this type of circuit suffers from significant harmonic distortion and shortened component life.

Around the production of standard logic ceased in all Eastern European countries except the Soviet Union and later Russia and Belarus. There are six of these on a single chip.


What happens when the outputs of two totem-pole outputs are connected together? Measure both the input voltage and the logic output of the inverter. Also shown in Figure 6. Some companies have also offered industrial extended datashdet range variants using the regular series part numbers with a prefix or suffix to indicate the temperature grade.

This is called the high impedance or Hi-Z state.

74S00 Datasheet PDF – Texas Instruments

These can be used in cases where the final fatasheet of a logic function only needs to sink current; a later section will give examples where this can be used. List of series integrated circuits. When the enable is “1” the buffer is driving the output; when the enable is “0,” the output is turned off “tri-stated”.

Several generations of pin-compatible descendants of the original family have since become de facto standard electronic components. Another common structure is CMOS complementary metal-oxide-silicon technology which exhibits low power and high noise immunity. What is the minimum and maximum values of R and C? Information Applikation Mikroelektronik in German. These chips have convenient pin-outs separating the input side from the output side.

Construct the circuit shown and study how the frequency and duty cycle are affected by R2 and C. When G is LO, the output is in the high 74z00 state.

Along the way I’ll also cover some additional chip characteristics that can be useful in complex designs. The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed.