SN74AHC125QDRQ1

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The SN74AHC125QDRQ1 is a quad-channel high-speed non-inverting buffer designed for 1.8-V to 3.6-V VCC operation. The SN74AHC125 buffers or line drivers are available in a Quad-Channel configuration. It is the logic equivalent of a 4-bit latch and is designed to be used as a bi-directional data buffer, capable of transferring data between buses or transferring data to or from a peripheral device. Furthermore, it improves the fan-out of a system by buffering the data bus, enabling it to be driven without concern for loading. The SN74AHC125QDRQ1 is designed for high-performance, low power yearround operation in a wide range of 1.8-V to 3.6-V voltage operating conditions, and is ideal for applications where lower power consumption and higher performance are essential.

The SN74AHC125QDRQ1 comes in a 16-pin wide-body quad package and contains four independent non-inverting 3-state buffers. The SN74AHC125QDRQ1 features a combination of two enable control inputs and an active-low output enable (/OE) control input. The enable inputs (G1 and G2) are used independently to enable any combination of devices while the active-low output enable (/OE) is used to enable or disable all outputs simultaneously. Other features of the SN74AHC125QDRQ1 include a high speed operation (max toggle rate of 180 MHz @ VCC of 1.8V and 140MHz @ VCC of 3.6V) while consuming very low static power (1 µA typical). Additional features include a 200 mV undershoot and overshoot protection, 250 ns minimum pulse duration at 1.8V, and an ESD rating of 2500V Human Body Model.

The SN74AHC125QDRQ1 can be used for multiple applications that require fast and efficient data transfers. It is commonly used for data buffering applications where two buses need to be connected together, or for transferring data between peripheral devices and memory. It can also be used for multiplexing applications, where it can be used to drive address and data lines. Furthermore, the SN74AHC125QDRQ1 can be used for data distribution or fan-out applications when used as a bi-directional buffer. It can also be used for voltage level shifting applications where the output voltage can be converted from one level to another, such as converting signals from 5V to 3.3V and vice versa.

The SN74AHC125QDRQ1 functions by using two complementary inputs (G1 and G2) and a single active-low output enable (/OE). When both G1 and G2 inputs are LOW, then the outputs are active and data is transferred between the input and output. When either of the G1 or G2 inputs are HIGH, then the outputs are disabled and no data is transferred. If the /OE is HIGH, then the outputs are disabled. On the other hand, if the /OE is LOW, then all outputs are active and data is transferred between the input and output.

The SN74AHC125QDRQ1 also contains status flag outputs (Q1, Q2, Q3, and Q4) that can be used to monitor the data flow. These flag outputs can detect logic status transitions at either the G1 or G2 input and indicate whether the data has changed. This allows the user to easily monitor the data flow and detect any errors. Furthermore, the SN74AHC125QDRQ1 utilizes the maximum industrial power rating of 1.8V to 3.6V, and features a two-level mission-critical design that makes the device extremely reliable under harsh operating conditions.

The SN74AHC125QDRQ1 is a very versatile Quad-Channel high-speed non-inverting buffer designed for faster data transfers, low power consumption, and improved system performance. The device can be used for multiple purposes such as data buffering, multiplexing, data distribution/fan-out, and for level shifting applications. Furthermore, the SN74AHC125QDRQ1 features a two-level mission-critical design, making it extremely reliable and efficient in harsh operating conditions. Its low power consumption makes it ideal for new designs and applications where max power rating and efficiency are important.

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