SN74AHC373DWG4

Series:	74AHC
Packaging:	Tube
Part Status:	Active
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	2 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	1ns
Current - Output High, Low:	8mA, 8mA
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	74AHC373

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The SN74AHC373DWG4 is a member of the Texas Instruments Advanced High-Speed CMOS (AHC) family of devices. The device is a high-speed octal D-type edge-triggered flip-flop with clock enable. This device is ideal for applications requiring synchronous/asynchronous edges and when used as a latch the outputs will follow the correct data on the next negative edge of the clock. The SN74AHC373DWG4 is configured as D type latches, allowing data to be stored for a certain period of time. In the latch operation mode, the outputs are in the present state (high or low) until a positive pulse is sent to the clear/reset pin or a negative pulse is supplied to the clock input pin. The SN74AHC373DWG4 is an ideal choice for applications that require high speed and low power consumption. With a High-Speed CMOS operating speed at 10MHz, they offer low propagation delay while providing low power consumption. This device is commonly used in wide variety of applications, such as design in logic controllers, alarm systems, communication systems, broadcast systems, test & measurement, processors and controllers.Application FieldThe SN74AHC373DWG4 is a useful choice for applications requiring high speed, less power consumption and latch applications. It can be used in many electronic devices such as medical equipment, industrial electronics, digital television and automotive electronics. In medical equipment, the SN74AHC373DWG4 is used in many medical devices to detect abnormalities. Devices such as ventilators, patient monitors, defibrillators, and x-ray machines can benefit from using this device as it can detect abnormalities quickly. Industrial electronics often require the use of this device due to its fast speed. This device is used in industrial manufacturing control systems to accurately maintain control over temperature, flow, and pressure. Even digital television can benefit from the use of the SN74AHC373DWG4. This device enables set-top boxes to decode signals quickly, providing consumers access to digital TV with high-quality pictures. Automotive electronics also benefit from the use of this device. The SN74AHC373DWG4 is used in many automotive applications such as anti-lock braking systems and airbag systems.Working PrincipleThe SN74AHC373DWG4 is a high-speed octal D-type edge-triggered flip-flop with a clock enable. The device has 8 data (D) input and 8 outputs (Q). When the device is used as a latch, the inputs are stored until a clock or clear pulse is provided. When a positive pulse is provided at the clock input pin, the data is stored on the positive edge and a new set of data is stored when a negative pulse is sent at the clock input pin. This device can be used in both synchronous and asynchronous mode.In synchronous mode, the SN74AHC373DWG4 will read data at the positive clock edge, and the outputs will follow the input data after the negative edge of the clock signal. In asynchronous mode, the SN74AHC373DWG4 will read inputs at the positive edge of the Clear/Reset signal and the outputs will follow the input data until another Clear/Reset signal is provided. The SN74AHC373DWG4 also has enable pins, enabling users to control the input and output pins’ logic levels by providing enable signals to the respective pins. Activating enable pins will cause the SN74AHC373DWG4 to ignore the clock and reset signals, and the output pins will remain in the present state. When the enable pins are deactivated, the clock and reset signals will be re-enabled and the outputs will follow the input data. The SN74AHC373DWG4 provides flexibility and is cost-effective, making it perfect for applications requiring fast speed, low power consumption and latch operations such as patient monitoring, industrial electronics, digital TV and automotive electronics.

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