SN74AS4374BDW Integrated Circuits (ICs)

Max Propagation Delay @ V, Max CL:	8ns @ 5V, 50pF
Base Part Number:	74AS4374
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Current - Quiescent (Iq):	150mA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	15mA, 48mA
Trigger Type:	Positive Edge
Series:	74AS
Clock Frequency:	125MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The SN74AS4374BDW is a type of Logic Flip-Flops device commonly used in digital electronic systems. A Flip-Flop is a type of bistable device, which is capable of changing the output stage of two different logic states in the presence of two separate active triggers. This device has been developed by Texas Instruments and is part of the SN series logic family.

Functional Overview

The SN74AS4374BDW is an asynchronous Flip-Flop device featuring a single input bus and dual outputs. This device supports both type D (Set-Reset) and type JK (JK) flip-flop inputs, allowing the user to choose which input type will be used when performing operations. This device is designed to be a low-power and low-voltage 12-bit wide device and is capable of operating down to 1.5V.The SN74AS4374BDW is a high-speed Flip-Flop device. Its propagation delay time is from 2.5ns to 10.7ns with rising or falling times as low as 1.67ns.

Assembly & layout of the SN74AS4374BDW

The SN74AS4374BDW is packaged in a TSSOP-16 package. This device is a surface-mountable semiconductor package and features 2 rows of 8 pins. The pins are designated as D0, D1, D2, D3, S1, S2, S3 and S4. The pins are configured to form a bus per side.On the bottom of the chip, there are two different sections; one is the power supply section. This section of the device is used to power the SN74AS4374BDW. The other section contains the logic arrays, which are used internally to connect the pins of the SN74AS4374BDW.

Application of the SN74AS4374BDW

The SN74AS4374BDW is commonly used in applications such as computer hardware, memory and storage systems, automotive systems, general digital systems and industrial control systems. There are a variety of applications that this device is used for, as it is capable of managing very fast and precise data stream management with its very low power consumption.For example, the SN74AS4374BDW can be used to provide data isolation within digital logic systems. It has also been used in control systems as latch circuits, which provide temporary storage capabilities. In addition, this device is frequently used in systems that require reliable and robust synchronization of digital signals.

Working Principle of the SN74AS4374BDW

The working principle behind the SN74AS4374BDW is the concept of bistability. This means that the device can store two different output states, which can then be used for logic operations. The two states that can be stored are high and low logic levels. The device can use the two states to perform operations such as encoding, decoding, and shifting information in a digital format.In this device, the bistable states are created by the combination of two transistors, one NMOS and one PMOS. These two transistors are referred to in the device as the pull-up and pull-down transistor, respectively. When both transistors are turned off, the device is in a stable state. The device\'s behavior is then controlled by the input logic level. In a high logic level, the pull-down transistor is turned on and the pull-up transistor is turned off, resulting in a low logic level being produced. Likewise, in a low logic level, the pull-up transistor is turned on and the pull-down transistor is turned off, resulting in a high logic level being produced.

Conclusion

The SN74AS4374BDW is a compact, high-speed, low-power, and low-voltage Flip-Flop device from Texas Instruments. This device is widely used in digital logic systems and is capable of performing encoding, decoding, and shifting operations. Moreover, the SN74AS4374BDW is commonly used for the temporary storage of digital data. Its power consumption level is very low, making it ideal for low-power applications. The device also features a wide range of operating voltages, allowing it to be used in a variety of applications.

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