SN74LS (ACTIVE) Quad 2-input exclusive-NOR gates with open collector outputs. Datasheet ( KB). Description click to collapse contents. The ‘LS is . services. Reproduction of significant portions of TI information in TI data sheets is permissible only if reproduction is without alteration and is accompanied by all. Symbol VCC TA VOH IOL Supply Voltage Operating Ambient Temperature Range Output Voltage High Output Current Low Parameter Min Typ Max Unit.

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By using this site, you agree to the Terms of Use and Privacy Policy. However, extending the concept of the binary logical operation to three inputs, the SN74S with two shared “C” and four independent “A” and “B” inputs for its four outputs, was a device that followed the truth table:.

### Datasheet PDF – STMicroelectronics

From Wikipedia, the free encyclopedia. It does not implement a logical “equivalence” function, unlike two-input Exclusive OR gates; for example its output is 7466 ow when all inputs are L ow. Unsourced material may be challenged and removed. Both include four independent, two-input, XNOR gates.

Retrieved 6 May A 4-bit binary comparator such as the 74LS85 would be one way to achieve a true multi-bit equivalence function. Views Read Edit View history.

Articles needing datasgeet references from December All articles needing additional references Commons category link is on Wikidata.

Retrieved from ” https: This page was last edited on 24 Octoberat Retrieved 6 May The two-input version implements logical equalitybehaving according to the truth table to the right, and hence the gate is sometimes called an “equivalence gate”. For the NOR constructions, the upper arrangement requires fewer gates.

However, extending the concept of the binary logical operation to three inputs, the SN74S with two shared “C” and four independent “A” and “B” inputs for its four outputs, was a device that followed the truth table:. Datashert needing additional references from December All articles needing additional references Commons category link is on Wikidata.

A high output 1 results if both of the inputs to the gate are the same. A high output 1 results if both of the inputs to the gate are the same. If one but not both inputs are high 1a low output 0 results.

By using this site, you agree to the Terms of Use and Privacy Policy. XNOR gate circuit using three mixed gates.

For the NAND constructions, the lower arrangement offers the advantage of a shorter propagation delay the time delay between an input changing and the output changing.

There are two symbols for XNOR gates: This page was last edited on 24 Octoberat The two-input version implements logical equalitybehaving according to the truth table to the right, and hence the gate fatasheet sometimes called an “equivalence gate”.

Please help improve this article by adding citations to reliable sources.

This article needs additional citations for verification. Datasheets are readily available in most datasheet databases and suppliers. For the NOR constructions, the upper arrangement requires fewer gates.

### 74LS Datasheet(PDF) – Fairchild Semiconductor

If one but not both inputs are high 1a low output 0 results. Views Read Edit View history. For the NAND constructions, the 7266 arrangement offers the advantage of a shorter propagation delay the time delay between an input changing and the output changing. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. This article needs additional citations for verification.

Retrieved from ” https: Datssheet Learn how and when to remove this template message.

Datasheets are readily available in most datasheet databases and ddatasheet. A 4-bit binary comparator such as the 74LS85 would be one way to achieve a true multi-bit equivalence function. In other projects Wikimedia Commons. In other projects Wikimedia Commons. December Learn how and when to remove this template message. From Wikipedia, the free encyclopedia. It does not implement a logical “equivalence” function, unlike two-input Exclusive OR gates; for example its output is L ow when all inputs are L ow.

## 74266 Datasheet

Both include four independent, two-input, XNOR gates. XNOR gate circuit using three mixed gates. There are two symbols for XNOR gates: