74AHC125D,112 Allicdata Electronics
Allicdata Part #:

1727-6092-ND

Manufacturer Part#:

74AHC125D,112

Price: $ 0.32
Product Category:

Integrated Circuits (ICs)

Manufacturer: Nexperia USA Inc.
Short Description: IC BUFFER NON-INVERT 5.5V 14SO
More Detail: Buffer, Non-Inverting 4 Element 1 Bit per Element ...
DataSheet: 74AHC125D,112 datasheet74AHC125D,112 Datasheet/PDF
Quantity: 1460
1 +: $ 0.28980
10 +: $ 0.23688
100 +: $ 0.16128
500 +: $ 0.12096
1000 +: $ 0.09072
Stock 1460Can Ship Immediately
$ 0.32
Specifications
Series: 74AHC
Packaging: Tube 
Part Status: Active
Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 1
Input Type: --
Output Type: 3-State
Current - Output High, Low: 8mA, 8mA
Voltage - Supply: 2 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 14-SO
Base Part Number: 74AHC125
Description

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The 74AHC125D,112 is an ideal device for many application fields due to its dedicated logic buffers, drivers, receivers, transceivers, and other functions. It\'s also a capable logic solution for basic logic operations such as input/output protection, switching, addressing, and controlling. Let\'s take a look at its application field, working principle, and some practical tips for using this device.

Application Field

The 74AHC125D,112 can be used in various application fields including digital logic control, data transfer, communication, and interface logic. It is also used to address bus driving needs, control relays, and transfer digital data between multiple devices. It has different modes, such as open collector and push–pull output, providing flexibility. This versatility makes it an ideal choice for many applications.

Working Principle

The 74AHC125D,112 has an operating voltage of 2.5V to 5.5V, and a maximum quiescent current of 5mA. It consists of four buffers/drivers with common active-low output enable control and active-low input enable circuitry, two transceivers with a common active-low output enable control, and two receivers. It also provides a 3.3V compatible design for efficient interfacing between available components. It is a three-state device that allows a single control signal to be used to enable/disable multiple buffers/drivers and/or transceivers/receivers.

Each buffer/driver has an active-low input enable terminal that allows the output to be held in a disabled state while still allowing the inputs to remain connected. The output state of the disabled buffers remains the same as the stored input values, and will not be changed from the disabled state. The transceiver/receiver has an active-low input enable terminal that allows the data stored in the outputs to remain present but will disconnect any input signals from the outputs.

When the Output Enable (OE) is HIGH (1), all the buffered outputs are enabled, and the data stored in the outputs will be driven out by the corresponding transceivers/receivers. When the OE is LOW (0), the transceivers and drivers would be put into a high-impedance state and no output will be driven. If the input enable is set to LOW (0), the inputs will be disabled, and the outputs will not be affected.

Practical Tips

When using the 74AHC125D,112, there are some practical tips that should be kept in mind. First, it should be noted that the absolute maximum current allowed per output pin is 250mA. The maximum recommended continuous current should be limited to 20mA. Similarly, when using the device as a driver, it is important to take into account the power dissipation of the device. The power dissipation should never exceed the specified absolute maximum ratings for the device.

In addition, when using the device as a buffer, it is important to keep track of the input current. The absolute maximum rating of the input current is 10mA, however the recommended continuous value should be limited to 1mA. Finally, it is important to always connect the output enable to a voltage supply that is within the specified operating voltage range.

In summary, the 74AHC125D,112 is an excellent device for addressing various application fields that require buffering, driving, receiving, and transmitting functions. It\'s operating voltage, its various modes, and its 3.3V compatibility make it highly versatile and suitable for many applications. It is important to note the absolute maximum ratings, the input current limits, and the power dissipation when using the device. Following these simple tips will ensure that the 74AHC125D,112 can be used at its optimal performance.

The specific data is subject to PDF, and the above content is for reference

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