MC74HCT374ADW

Max Propagation Delay @ V, Max CL:	31ns @ 5V, 50pF
Base Part Number:	74HCT374
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C (TA)
Input Capacitance:	10pF
Current - Quiescent (Iq):	4µA
Voltage - Supply:	4.5 V ~ 5.5 V
Current - Output High, Low:	6mA, 6mA
Trigger Type:	Positive Edge
Series:	74HCT
Clock Frequency:	30MHz
Number of Bits per Element:	8
Number of Elements:	1
Output Type:	Tri-State, Non-Inverted
Type:	D-Type
Function:	Standard
Part Status:	Obsolete
Packaging:	Tube

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Introduction to MC74HCT374ADW

MC74HCT374ADW is an octal transparent D-type latch made ​​by Texas Instruments. It is designed so that each latch is reset by the latch enable (LE) signal. A series of eight latches is provided, with the data of each being connected to a common 8-bit bus. When LE is asserted, data which has been placed on the bus is transferred to the corresponding latch, and when LE is unasserted that data is retained.This device is specified for operation from a single 5V supply. The MC74HCT374ADW is in a standard14-pin plastic DIP package and is manufactured using high-efficiency silicon-gate CMOS technology for low power consumption.

Application field of MC74HCT374ADW

The MC74HCT374ADW can be used in audio equipment, telecommunications, automotive appliactions,factory automation,test equipment, medical devices, and consumer electronics products.The MC74HCT374ADW is also used as a signal conditioner for monitors, copiers, printers, keypads and other input/output peripheral devices. This device offers a wide range of functions. It can be used to buffer digital data lines, control digital data encoding and decoding and perform logic channeling and expanders.

Working principle of MC74HCT374ADW

The MC74HCT374ADW is an octal latch array composed of eight independent transparent latches. The device has input and output pins and a latch enable (LE) signal which controls the operation of the device.When LE is high, the data on the inputs of the device is transferred to the outputs for a single clock period. When LE is low, the data present on the inputs of the device is retained on the outputs.When data is transferred from the inputs to the outputs of the device, the device will only pass the data in a single direction. In other words, the data on the outputs will not go back to the inputs unless the LE signal is asserted again. As such, the device is said to be “transparent”. The MC74HCT374ADW uses CMOS technology to provide better noise immunity when enabled to transfer data. The devices are designed with low on-resistance and low OFF-state current to provide high efficiency when the device is disabled.

Conclusion

The MC74HCT374ADW is a high performance logic device that can be used in a variety of applications. Its 8-bit bus and latch enable signal allow for data to be readily transferred between the various latches. This device is also known for its low power consumption and its ability to provide noise immunity when enabled.

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