SN74AUC32374GKER

Max Propagation Delay @ V, Max CL:	2.2ns @ 2.5V, 30pF
Base Part Number:	74AUC32374
Package / Case:	96-LFBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Input Capacitance:	3pF
Current - Quiescent (Iq):	40µA
Voltage - Supply:	0.8 V ~ 2.7 V
Current - Output High, Low:	9mA, 9mA
Trigger Type:	Positive Edge
Series:	74AUC
Clock Frequency:	250MHz
Number of Bits per Element:	8
Number of Elements:	4
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction

The SN74AUC32374GKER is an integrated logic device designed for applications such as logic-level conversion, latching, and flip-flop operations. It belongs to the family of oscillator-controlled devices commonly used to drive motor speed controls, oscillator-controlled audio outputs, and timer circuits. In this article, we will discuss in detail the applications and working principles of the SN74AUC32374GKER.

Applications of SN74AUC32374GKER

The SN74AUC32374GKER can be used as logic-level conversion, as well as latching, and flip-flop operations. It can be used to control the speed of motors, audio outputs, and timer circuits. The SN74AUC32374GKER is an integrated circuit with two stages, one for the active low reset and the other for the active high set. The pinout includes two device inputs, two output pins, and two energy transfer pins.The SN74AUC32374GKER can be utilized in a variety of applications including:

• Motor Speed Control: It can be used as a mini-controller in a speed control circuit. With a variable input voltage, the SN74AUC32374GKER is able to switch between two different speed states.
• Timer Circuits: The device can be used to create timer circuits with adjustable duty cycles. It can be used to create on/off timers for a variety of applications.
• Audio Outputs: The SN74AUC32374GKER can be used to control the output of audio amplifiers and other audio devices.
• HVAC Controls: The SN74AUC32374GKER can be used to regulate the heating and cooling of buildings and other areas.

Working Principle of SN74AUC32374GKER

The SN74AUC32374GKER consists of two stages, an active low reset and an active high set. Two logic inputs, a reset and a set, are connected to the two stages. Depending on the state of the reset and set inputs, the SN74AUC32374GKER can be configured as a single stable output, a single transient output, a latch, or a flip-flop.

Single Stable Output: In this configuration, an input is connected to the reset stage while another is connected to the set stage. When one of the inputs is asserted high, the SN74AUC32374GKER will output the corresponding logic level. When both the reset and set inputs are asserted high, the SN74AUC32374GKER will output a logic low.

Single Transient Output: In this configuration, one of the two inputs is connected to the reset stage and the remaining input is wired to the set stage. When the set input is asserted low, the SN74AUC32374GKER will enable a high-logic level pulse at the output. When the reset input is asserted low, the SN74AUC32374GKER will enable a low-logic level pulse at the output.

Latch: In this configuration, each of the two inputs is connected to the opposite stage, the set to the reset and the reset to the set. When either of the inputs is asserted low, the SN74AUC32374GKER will latch the other input and maintain it until the first input is de-asserted.

Flip-flop: In this configuration, both inputs are connected to the same stage. When the inputs are asserted low, the SN74AUC32374GKER will switch the logic level of the output. The output will remain in this state until one of the two inputs is asserted low again.

Conclusion

The SN74AUC32374GKER is an useful integrated logic device that can be used for logic-level conversion, latching, and flip-flop operations. It can be used for a variety of applications, including motor speed control, timer circuits, audio outputs, and HVAC (heating, ventilation, and air conditioning) controls. Additionally, its principle of operation includes a single stable output, single transient output, latch, and flip-flop configurations.

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