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DESCRIPTION

Basic Info

Model NO.	SN74LS138N
Power Supply Voltage (DC)	4.75V ~ 5.25V
Output Current	8mA
Number of Pins	16
Number of Lines in/out	3 / 8
Number of Digits	8
Certification	RoHS
Transport Package	Box
Specification	DIP-16
Origin	Make in China
HS Code	8541290000
Production Capacity	100000pieces/Years

Product Description

Product Description

A series of decoders, multiplexers, and demultiplexers of 74LS series low-power Schottky logic ICs. The 74LS series uses bipolar junction technology, coupled with Schottky diode clips to achieve the same operating speed as the original 74TTL series, but with much lower power consumption.These devices contain three independent 3-input and gates. The SN74LS138N is characterized for operation from 0°C to 70°C.The 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,these decoders can be used to minimize the effects of system decoding.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.This means that the effective system delay introduced by the Schottky-clamped system decoder is negligible.The LS138N decode one of eight lines dependent on the conditions at the three binary select inputs and the three enable inputs .Two active-low and one active-high enable inputs reduce the need for external gates or inverts when expanding.A 24-line decoder can be implemented without external inverters and a 32-line decoder requires only one inverter .An enable input can be used as a data input for demultiplexing applications. All of these decoder/demultiplexers feature fully buffered inputs ,each of which represents only one normalized load to its driving circuit.All inputs are clamped with high-performance Schottky diodes to suppress line-ringing and to simplify system design.

Product Parameters

1.Pin diagram:

2.LOGIC DIAGRAM (Each Flip-Flop):3.GUARANTEED OPERATING RANGES:4.electrical characteristics over recommended operating free-air temperature range (unless otherwise noted):

Features

•Demultiplexing Capability•Multiple Input Enable for Easy Expansion•Typical Power Dissipation of 32 mW•Active Low Mutually Exclusive Outputs•Input Clamp Diodes Limit High Speed Termination Effects

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Our Advantages

why choose us :advantage:
1.Produce Range
Yangjiang RUIXIAO Enterprise Co,.Ltd,major in the electronic component , who have wide range of products,such as IC,resistor , capacitor , mosfet , diodes, module , LED, relay, lcd. pcb board . and so. the brand involves:SHARP, POWER, , NXP, NS, ON, ST , IR, VISHAY , TOSHIBA, FAIRCHILD,MICROCHIP, ATMEL,EVERYLIGHT all the kinds of electronic component you need will be find in here.

 

2.Scope of application
the product is widely used in Automotive industry control,new energy industry,Audio,Home appliances equipment,Communication industry.it can meet the diverse needs of customers
3.service:
with the "User first, customer first" Company motto, quality assurance , economic price , fast Delivery time is our only faith. we will try our best to make every customer to enjoy the the most flexible,efficient services.We sincere hope that we can seek the common development and cooperation with the customer together to achieve a win-win situation.

Packaging & Shipping

4.Logistics:
we can send the goods to the customer's country directly by the international logistics. no matter send by air or by sea.
we will try our best to let the customer to get the parcel more convenient .
(noted:Not bear any fee and tax of the transportation cost.)