MC74HC32AFEL

Current - Output High, Low:	5.2mA, 5.2mA
Base Part Number:	74HC32
Package / Case:	14-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	SOEIAJ-14
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Max Propagation Delay @ V, Max CL:	13ns @ 6V, 50pF
Logic Level - High:	1.5 V ~ 4.2 V
Logic Level - Low:	0.5 V ~ 1.8 V
Series:	74HC
Current - Quiescent (Max):	1µA
Voltage - Supply:	2 V ~ 6 V
Features:	--
Number of Inputs:	2
Number of Circuits:	4
Logic Type:	OR Gate
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction:

The MC74HC32AFEL, also commonly referred to as the Latch latch is a high speed, low power logic IC from the high performance HC family from Motorola. The latch or level triggered latch is a fundamental logic circuit and is used extensively in digital logic circuits. This latch is often used as part of a larger logic gate such as an or gate, and or inverter and many other digital functions.

Application Field

The MC74HC32AFEL provides two sets of latch inputs, one set of outputs and six control signals. This latch is typically used in applications requiring synchronization, memory, binary counters and digital logic functions. It is typically used in such industries such as physical security, countermeasures, industrial automation, telecommunications and computer networking. The MC74HC32AFEL has a wide range of features, capabilities and applications. It has two main configurations, which include the latch and the inverter. The latch configuration is primarily used as a memory cell, while the inverter is used to complement logic signals, acting as an on-off switch. The on-off switch can also be used in combination with other logic circuits, such as AND and OR gates, to create simple and practical logic solutions. The MC74HC32AFEL can also be used for a wide range of other applications, such as multiplexing, shifting, coding, and complex logic functions. This latch provides a reliable, fast and inexpensive solution for a wide variety of digital applications.

Working Principle

The MC74HC32AFEL uses two sets of general purpose cross coupled CMOS Transistors and two latch inputs that, when combined, form a cross-coupled latch. In this latch, when the logic state at one of the inputs, A or B, changes, the output state of the opposite latch input also changes. When the input at one of the latch inputs is set high, the opposite latch input is set low and vice versa. The output state of each latch input is determined by the state of the other. The two latch inputs, A and B, also act as clock inputs for the latch, which in turn provides the timing needed to control the output. The two inputs of the latch are independent from each other and each can be used to set a state of the latch while the other is in a different state. The MC74HC32AFEL also has six control signals that are used to control the latch. The most common control signals are GATE, SET, RESET, and CLEAR. GATE is used to control when the latch is active. SET and RESET are used to set the latch in either a low or high state. CLEAR is used to reset the latch to a known state regardless of the other control signals.

Conclusion

The MC74HC32AFEL is a powerful, fast, and low power logic IC from the high performance HC family from Motorola. It is used in a wide range of applications, from memory cells, to binary counters, and to complex digital logic functions. The MC74HC32AFEL provides two sets of latch inputs, one set of outputs, and six control signals to make it a reliable, fast and inexpensive solution for a wide variety of digital applications.

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