N74F373DB,118

Series:	74F
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	D-Type Transparent Latch
Circuit:	8:8
Output Type:	Tri-State
Voltage - Supply:	4.5 V ~ 5.5 V
Independent Circuits:	1
Delay Time - Propagation:	2ns
Current - Output High, Low:	3mA, 24mA
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	20-SSOP (0.209", 5.30mm Width)
Supplier Device Package:	20-SSOP
Base Part Number:	74F373

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Logic - Latches: N74F373DB and 118 Application Field and Working Principle

Logic-latches are key components in any modern digital control system. They are used to control the flow of logic signals and enable digital components to efficiently store logic-level information.The N74F373DB and 118 logic-latches are popular components used in digital control systems for a variety of different applications. This article will cover the application field of these two logic-latches, as well as their respective working principles.The N74F373DB is a 16-pin, dual-in-line package (DIP) that consists of 12N-type transistors. This latch is suitable for high-speed applications, such as those governing mid-sized and large motors, due to its 600 ns switching speed. The N74F373DB is also commonly used in communications systems, instrumentation systems, and automotive systems.The 118 logic-latch is a 6-pin, low-power, geometrically elongated integrated circuit that is highly suitable for applications in which space-reduction is necessary. It is typically used in digital systems involving programmable calculators and microcontrollers. The 118 latch operating temperature range is also a wide -55 to 125 °C.The N74F373DB registers operate in a three-state mode and can be controlled by two separate data inputs: ON and OFF. When the ON output is set to logic “1” and the OFF output to logic “0”, the circuit is in the “Tristate” mode, which means that the signal is not passed through the gate. The ON output on the other hand, is set to logic “1” when the OFF output is set to logic”0”. Consequently, the current flows through the gate, setting the signal to “1”.The 118 latch works in a very similar manner. It has two data inputs that can be set to “1” or “0”. When the first input is set to logic “1” and the second input is set to logic “0”, the circuit is in the “Tristate” mode and the signal is not passed through the gate. When both inputs are set to logic “1”, the current flows through the gate and sets the signal to “1”.In conclusion, the N74F373DB and 118 logic-latches are two popular components used in digital systems for a variety of different applications. The N74F373DB is best suited for high-speed, mid-sized and large motors and communications systems, while the 118 is ideal for devices where a compact design is necessary. Both latches employ a three-state operation and are controlled by data inputs that can either set the signal to “1” or “Tristate”.

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