SN74F373DW

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Logic - Latches are electronic components used to store information. A latch, also known as a Flip-flop, is a type of circuit used in many types of devices and circuits. SN74F373DW is a popular latch used in many applications. Let\'s take a look at the application field and working principle of SN74F373DW.

SN74F373DW is an octal D Flip-flop with a latch enable. It has eight independent D latches and one latch enable (LE). The LE input is used to control the latching action of all eight latches. This device is designed to interface low voltage CMOS with TTL circuits, and has a power supply range of 2-6V. The output structure is designed for pin compatibility with other manufacturers\' D latches and D Flip-flops.

Application Field

SN74F373DW is a popular latch that is used in many applications, such as:

• Voltage level shifting
• Asynchronous data transfer
• Sequential logic
• Memory interfacing
• Data buffering
• Serial communication
• Data synchronization

Working Principle

The SN74F373DW is an 8-bit latch with a single latch enable (LE) input. The latch enable input must be held low in order for the latch to be valid; if the LE input is high, the latches will hold their current state, regardless of any changes on the data inputs. When the latch enable (LE) input is low, the incoming data at the data input pins (D0-D7) will be latched and held at the output pins (Q0-Q7). If the data pins are changed while the latch enable is high, the changes will not be latched at the output pins.

The SN74F373DW is designed for low voltage CMOS to interface with TTL circuits. It operates from a 2-6V power supply. The device’s output structure is designed for compatibility with other manufacturers’ D latches and D Flip-flops, so it can be used to replace them in existing designs.

Conclusion

The SN74F373DW is a versatile octal latch with 8 independent D latches and one latch enable input to control the latching action. It is designed to interface low voltage CMOS and TTL circuits and is used in a variety of applications, such as voltage level shifting, asynchronous data transfer, sequential logic and data buffering. When the latch enable input is low, the data inputs are latched at the output pins. The device is designed for compatibility with other manufacturers’ D latches and D Flip-flops, making it an ideal choice when replacing existing latches.

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