74LCX646WMX

Series:	74LCX
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	24mA, 24mA
Voltage - Supply:	2 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	24-SOIC
Base Part Number:	74LCX646

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74LCX646WMX application field and working principle

Introduction to the 74LCX646WMX

The 74LCX646WMX is an 8-bit bus transceiver that is part of a family of advanced low-voltage, low-power CMOS logic interfaces. This device is commonly used in digital designs to exhibit features such as low power consumption and wide operating ranges. This feature is handy when implementing certain designs that prioritize having full-featured and low power solutions.

74LCX646WMX - Types of Devices and Features

The 74LCX646WMX comes in three distinct types, each with its own advantages. The three types are: Noninverting, Inverting, and Noninverting with High-Level Outputs. Each type has its own characteristics, such as the number of active low outputs, the number of active high outputs, and the number of standby outputs. Furthermore, each type also varies in its voltage range, number of I/O, the amount of power it consumes, and the amount of noise it emits.

Operation and Usage of the 74LCX646WMX

The 74LCX646WMX is primarily used in electronic designs that require fast data transfer, low power consumption, and wide operating ranges due to its ability to interface with low-voltage logic. As mentioned earlier, the device is available in three types: Noninverting, Inverting, and Noninverting with High-Level Outputs. Each type is tailored for a specific purpose and usage. The Noninverting type is typically used for fast data transfer in applications such as memory systems and bus communications. On the other hand, the Inverting type is used for the synchronization of internal and external clock signals, providing a wider operating range. Lastly, the Noninverting with High-Level Outputs type is incredibly efficient in terms of power consumption while delivering excellent noise immunity at the same time, making it suitable for applications such as buses, memory systems and control systems.

Working Principle of the 74LCX646WMX

The 74LCX646WMX is based on BiCMOS logic, which is a combination of bipolar and CMOS logic. This allows the device to utilize the advantages that both types of logic offer, such as fast switching speeds and low power consumption. Furthermore, BiCMOS logic also offers excellent noise immunity and reduced propagation delay.The device works by transferring data from an eight-bit bus to an eight active-low outputs or vice versa. The device can be controlled by either using a device control signal or using the control logic of the device itself. In terms of operation, data can either be transferred from the bus to the active-low outputs, from the active-low outputs to the bus, from the bus to the high-level outputs, or from the high-level outputs to the bus.

Conclusion

The 74LCX646WMX is an advanced 8-bit bus transceiver that is commonly used in digital designs to exhibit features such as low power consumption and wide operating ranges. This device is available in three types – Noninverting, Inverting, and Noninverting with High-Level Outputs – each tailored for a specific purpose and usage. It works by transferring data from an eight-bit bus to an eight active-low outputs or vice versa, and is based on BiCMOS logic, allowing it to receive the combined benefits of both bipolar and CMOS logic.

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