SN74ACT373DWR Integrated Circuits (ICs)

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The SN74ACT373DWR device is a high-performance, high-speed octal D-type transparent latch with 3-state output and 3.6 V–5.5 V tolerant inputs. It is part of the Texas Instruments family of Advanced High-Performance CMOS and TuRBO™ logic devices. The SN74ACT373DWR is designed specifically to improve system performance while maintaining asynchronous operation. The latch is able to store data or provide direct memory decoding when used in connection with a variety of address source decoding systems.

The SN74ACT373DWR device is an 8-bit latch built with an array of Schottky-clamp type D-type flip-flops connected in parallel to provide a wide data-width. Each flip-flop has independent data (D) and clock (CP) inputs and both true and complementary Q outputs. When the clock pulses low, the data from the D input is stored in the latch. The reset (R) input is active low and is used to reset the latch by forcing all outputs to a low condition.

The SN74ACT373DWR has an enable input which can be used to enable or disable the latch outputs. The enable input works in conjuction with the output enable (OE) pin and can be either high or low. When the enable input (E) is high, all outputs are enabled, regardless of the state of the OE input. When E is low, the outputs are disabled, regardless of the state of the OE input. This enables the SN74ACT373DWR latch to be used as an addressable latch, with inputs and outputs controlled by a control logic.

The SN74ACT373DWR application field is mainly found in systems that require temporary storage of data and status information, such as CPU and memory systems. It also can be used in communications, process control systems and real-time digital systems. Since its inputs and outputs are tolerant to both 3.6V and 5.5V, the SN74ACT373DWR is particularly suited for use in newer systems that require the operation at lower voltages.

The SN74ACT373DWR working principle is essentially the same as that of a standard D-type flip-flop. It has two data lines, a clock line and a reset line. The data input is connected to a control logic which determines the state of the outputs. When the latch is enabled and the clock line is active, the data at the input is stored in the latch. The preset and clear inputs are provided to reset the latch, forcing all outputs to the low state. The SN74ACT373DWR also has an enable input which can be used to control the latch output. When enabled, all outputs are enabled, regardless of the output enable control line. When the enable input is low, the outputs are forced to a low state, regardless of the output enable control line.

The SN74ACT373DWR device has a variety of uses in digital systems and can be used to store data or provide direct memory decoding. It is ideally suited for use in applications that require low-power operation and high-speed performance. It has become an important part of many digital systems, providing accurate and reliable data storage and management.

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