HEF4072BT,652

Current - Output High, Low:	3mA, 3mA
Base Part Number:	4072
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SO
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Max Propagation Delay @ V, Max CL:	55ns @ 15V, 50pF
Logic Level - High:	3.5 V ~ 11 V
Logic Level - Low:	1.5 V ~ 4 V
Series:	4000B
Current - Quiescent (Max):	4µA
Voltage - Supply:	3 V ~ 15 V
Features:	--
Number of Inputs:	4
Number of Circuits:	2
Logic Type:	OR Gate
Part Status:	Obsolete
Packaging:	Tube

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Logic - Gates and Inverters: HEF4072BT,652 Application Field and Working Principle

The HEF4072BT,652 is a dual 4-input NAND gate from NXP Semiconductors (formerly Philips Semiconductors). It is a member of the 4000B series CMOS integrated circuit family and has two NAND gates that are used as digital switches and digital logic operation. The HEF4072BT,652 has two NAND gates that are arranged in two separate 4-input blocks, with each block having its own input, output, and ground pins.The HEF4072BT,652 NAND gate is commonly used in a wide variety of applications, including logic, digital logic, and combinatorial logic. It can be used to implement a wide variety of digital circuits and systems, including signal conditioning, signal translation, multiplexing, and memory control. In addition, it can also be used to create systems that can process multiple signals simultaneously.In terms of operation, the HEF4072BT,652 NAND gate is designed to take two inputs and output a single, high logic signal if both of the inputs are high (ie, logic 1). When an input is low (logic 0), the output state is low as well. Put simply, the HEF4072BT,652 NAND gate can be used to invert an input signal, thus providing an active low output.Due to its versatile design, the HEF4072BT,652 NAND gate is a popular choice for many electronic applications. From digital signal processing (DSP) and digital communications to industrial control systems, this gate is present in numerous applications. In addition, the HEF4072BT,652 has become a staple of the CMOS logic family, as it offers high input impedance, low output impedance, and wide dc operating range.The HEF4072BT,652 is a relatively simple gate in terms of usage and implementation. Its basic connections and functional characteristics can be understood with minimal effort. With a data input (DI or DIN), an output stage (Q) , and a reset line (RES), the NAND gate\'s operation can be explained through the usage of input and output truth tables.The truth table of a NAND gate is used to explain the mechanics of the gate in terms of its inputs and outputs. The truth table displays the output states (high/low) when subjected to certain combinations of inputs. It is important to note that the output of a NAND gate with two input signals will always be the logical inverse of its inputs (ie, the two input signals are complemented before the output result is calculated).When discussing the HEF4072BT,652 NAND gate, the following truth table is included for reference. In this example, we will assume a single input is used for both gates.

Inputs	Output
DIN1 = 0	Q1 = 1
DIN2 = 0	Q2 = 1
DIN1 = 1 DIN2 = 1	Q1 = 0 Q2 = 0

In the above truth table, we see that the output of the NAND gate (Q1 and Q2) is the logical inverse of the inputs (DIN1 and DIN2). When both inputs (DIN1 and DIN2) are "1", the output is "0". Similarly, when either input is "1", the output of both gates is "0". When both inputs are "0", the output is "1".This basic truth table can be used to explain the operation of the HEF4072BT,652 in more complex applications. For example, if a NAND gate-based circuit is desired, the inputs can be connected so that they are complementary to one another, as established by the truth table. When both inputs become "1", the output will change to "0", resulting in the desired logic operation.In conclusion, the HEF4072BT,652 NAND gate is a versatile, widely available, and economical gate. Its simple design and readily accessible inputs and outputs make it an ideal choice for a variety of digital logic and signal processing applications. Its basic usage and operation can be understood quickly and easily, through its accompanying truth table, allowing for quick and efficient implementation.

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