SN74AHCT16244DL

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Logic-Buffers, Drivers, Receivers and Transceivers help build the essential base for communications across a variety of devices. SN74AHCT16244DL is an example of one such device that is part of the 74AHCT family of devices, part of the larger Logic-Buffers, Drivers, Receivers, and Transceivers family. This document seeks to explain the application fields and working principle of the SN74AHCT16244DL devices.

The SN74AHCT16244DL device is a low-power CMOS octal buffer/driver that is designed for overt and use on different types of communications busses. It may either be used as a tristate buffer or as a gate and also has a slew rate that is extremely fast. Maximum rated power consumption is 1.1 mW, with the operating voltage range up to 6 volts and with an operational temperature range from 0°C to 70°C.

Thus, the application areas for the SN74AHCT16244DL include bus buffering and driving, address and data bus driving, and clock, mode, and control logic implementation. As far as the working principle of the device is concerned, it has two octal buffers that provide edge trigger in addition to latch control. This device contains eight non-inverting 3-state buffers designed to provide wide bus interface communication and routing flexibility. A buffered logic input can be converted into a logic output and still maintain the corresponding logic voltage levels, thus enabling data routing.

The device is useful in multiplexing, routing, and interconnect applications; it has high impedance off-state outputs at a given VCC level. It also offers a more robust performance over a wide supply voltage range since data can be transferred via low-power resistor pull-down networks at lower power with increased reliability. Furthermore, the octal 3-State buffer/driver has open-collector outputs that make it possible for power to be applied to supply common bus systems with two voltages.

For each device, the VIH and VIL logic-input thresholds determine the logic level of the output switches. The VIH is the minimum positive input voltage that determines the upper limit of the logic input voltage considered a valid high level. The VIL is the minimum negative input voltage that determines the lower limit of the logic input voltage considered a valid low level. When an input is below the VIL threshold, the output is on and the buffer is active.

In between the Input High Voltage Threshold (VIH) and Input Low Voltage Threshold (VIL) the output buffers are in high impedance state. In intermediate or disabled states, the outputs do not actively drive nor actively drive either the logic high or logic low output state; they simply switch to a high impedance state.

The SN74AHCT16244DL has a fast switch-on time and is able to quickly change from a high-impedance off state to low-impedance on state. This helps reduce power dissipated in the chip and its device. Lastly, the SN74AHCT16244DL supports bus-holding by cleverly latching the output levels when both inputs of the gate are low, which further reduces the power consumption of the system.

The SN74AHCT16244DL device is a powerful tool in the fields of Logic-Buffers, Drivers, Receivers, and Transceivers. It is widely used in multiplexing, routing, and interconnect applications and offers high performance over a wide supply voltage range. It is designed to provide wide bus interface communication and routing flexibility and also has a fast switch on time. Its fast switching time and ability to switch quickly to a low-impedance on-state helps reduce power consumption.

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