MM74HCT373MTC

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Latches are broadly classified as edge triggered or level sensitive. An edge triggered latch changes state at a given voltage level or edge of the clock signal, which is used to control the sequence. It might be useful to think of them as acting like a door latch. Level-sensitive latches remain in the same state until exposed to a different voltage level or edge of the clock signal. The MM74HCT373MTC is a good example of an edge triggered latch.

What is an MM74HCT373MTC?
The MM74HCT373MTC is an 8-bit edge-triggered (latched) CMOS/TTL compatible latch featuring low power and fast propagation delays, with output enable control. It has an operating temperature range of -40°C to +85°C and is virtually immune to latchup. It has 8 data inputs and one enable (EN) signal. All 8 data inputs can be in any arbitrary logic state when the enable signal is asserted, allowing for the implementation of bus- or data-latching operations.

Application Field
The MM74HCT373MTC has many uses in both consumer and commercial electronics. It is designed for applications such as bi-directional data buses and general logic interface. It is ideal for use in designs that require low power consumption, such as battery operated or portable equipment. It is also frequently found in consumer devices or DC motor control applications and smartcards.

Working Principle
When the enable signal is low, the data on all inputs is held latched at the output. When the enable signal is high, the data on all inputs is transparent, and the data presented at the outputs follows the data on the inputs. A clock signal is not necessary for operation. The contents of the latch are only changed when the enable input is taken from a ‘Low’ to a ‘High’. When enabled, the data appears on the outputs a short time later.

The MM74HCT373MTC is an excellent choice for any design requiring a reliable latching device, due to its low power consumption and fast response times. Its applications are wide ranging, making it a versatile and cost-effective solution for many logic interface needs.

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