| Allicdata Part #: | 296-8239-5-ND |
| Manufacturer Part#: |
SN74HC157D |
| Price: | $ 0.39 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Texas Instruments |
| Short Description: | IC QUAD 2-TO-1 SEL/MUX 16-SOIC |
| More Detail: | Multiplexer 4 x 2:1 16-SOIC |
| DataSheet: |  SN74HC157D Datasheet/PDF |
| Quantity: | 2763 |
| 1 +: | $ 0.34650 |
| 10 +: | $ 0.29547 |
| 100 +: | $ 0.22050 |
| 500 +: | $ 0.17325 |
| 1000 +: | $ 0.13388 |
Specifications
| Series: | 74HC |
| Packaging: | Tube |
| Part Status: | Active |
| Type: | Multiplexer |
| Circuit: | 4 x 2:1 |
| Independent Circuits: | 1 |
| Current - Output High, Low: | 7.8mA, 7.8mA |
| Voltage Supply Source: | Single Supply |
| Voltage - Supply: | 2 V ~ 6 V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 16-SOIC |
| Base Part Number: | 74HC157 |
Description
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SN74HC157D is one of the most commonly known members of Texas Instruments\' popular HC family of integrated circuits. Simply put, these Ics operate as multiplexers, decoders, and other logic signals switches. The SN74HC157D serves as an 8-bit 1-of-16 data selector that is capable of selecting information from the 16 input lines. The data selector consists of two 8-bit input latches, with one latch associated with each control line.
The SN74HC157D employs a multiplexer technology, which involves the selection of an input from several lines based on the bit pattern of a selection line. The two data latches in the SN74HC157D each have 8 data input lines (D1 to D8) and a select line each. Appropriate data can be selected by making a combination of select inputs.
Each of the two 8-bit latches has a data output line for each of the 8 bits. These output lines are designated as D1 to D8. Each of the two data latches is also associated with a select line S1 and S2, respectively. The select line S1 will enable the first eight bits of data when it is in a logic HIGHT state and the select line S2 will enable the second eight bits when it is a logic HIGHT state. This is the basic principle of data selectors.
The SN74HC157D can be used to select data from multiple sources and feed it to the output. The data lines can be connected to any parallel input sources, while the select line can be driven by a variety of sources such as address decoders, memory controllers or other programmable logic devices. The output of the SN74HC157D is then connected to other devices like data processing and bus interfaces.
The SN74HC157D operates by applying the logic state of its two select lines, S1 and S2, on the incoming data. When the two select lines are at a LOW logic state, the data is passed through the two data latches and is transmitted to the output. When the select lines are at a HIGHT logic state, the data is held in the latches and is not passed through.
The SN74HC157D is ideal for applications that require a fast and efficient data multiplexing and selection process. It is also useful in applications such as memory controllers, data switching, and address decoding. By using the SN04HC157D, engineers have an easier time implementing their designs in a much faster and cost-effective manner.
The SN74HC157D is a robust device that is both reliable and versatile. It is a highly reliable logic switch that can easily integrate into any system. Its compact design and low power consumption allow for its use in a wide variety of applications. Additionally, the device is highly reliable, as it can handle up to 20V and can operate from supply voltages ranging from 5V to 15V.
The specific data is subject to PDF, and the above content is for reference
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