
Allicdata Part #: | 74HC125DB,112-ND |
Manufacturer Part#: |
74HC125DB,112 |
Price: | $ 0.14 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Nexperia USA Inc. |
Short Description: | IC BUFFER NON-INVERT 6V 14SSOP |
More Detail: | Buffer, Non-Inverting 4 Element 1 Bit per Element ... |
DataSheet: | ![]() |
Quantity: | 1000 |
1092 +: | $ 0.12798 |
Series: | 74HC |
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: | 7.8mA, 7.8mA |
Voltage - Supply: | 2 V ~ 6 V |
Operating Temperature: | -40°C ~ 125°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 14-SSOP (0.209", 5.30mm Width) |
Supplier Device Package: | 14-SSOP |
Base Part Number: | 74HC125 |
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Introduction to the 74HC125DB,112
The 74HC125DB,112 is a logic buffer and driver highly-integrated circuit (IC) in the HC logic family that can be used in a range of applications. It is capable of delivering high-level performance at relatively low operating currents compared to other similar ICs. The 74HC125DB,112 is designed to provide a wide range of output power and current capability, enabling its usage in a broad range of applications.
Application Field and Working Principle
The 74HC125DB,112 is suitable for high-speed buffering applications with both unidirectional and bi-directional logic signals. As it is capable of operating in high-powers that are needed for a variety of applications, it is commonly used for high-speed line-drivers, as well as for buffering applications that demand low noise and minimal bouncing. Additionally, it can also be used for low-power low-bandwidth RS-232 drivers where further optimizations are required.
The working principle of the 74HC125DB,112 is based on the classic differential amplifier architecture. Its primary components are an input differential amplifier, gain stage, nominal bias, current protection, and output buffers. The input differential amplifier takes two different inputs, or one input with a reference voltage, and produces an output signal that is compared to a nominal value. This allows the chip to sense and compare input logic signals, which are then amplified and buffered before being sent on to the output.
The gain stage of the device is used to adjust the output of the device. This is usually set between 0.7 and 1.2 V. Adjustment of gain can be performed by adjusting the nominal bias and the current protection. We can also adjust the output voltage of the device according to the application needs. The last step is to drive the output from the output buffers that amplify the current to the required output voltage.
Conclusion
The 74HC125DB,112 is a highly-integrated logic buffer and driver IC with a wide range of applications. It is capable of delivering high-speed line-drivers and low-power low-bandwidth drivers, as well as buffering applications with minimal bouncing, while operating with low-power and minimal noise. Its working principle is based on the differential amplifier architecture, consisting of the input differential amplifier, gain stage, nominal bias, current protection, and output buffers. Thus, the 74HC125DB,112 is a logical choice for buffering applications in need of high-power and low-current performance.
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