SN74HCT645NSRE4

Series:	74HCT
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Part Status:	Obsolete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:	6mA, 6mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	20-SO
Base Part Number:	74HCT645

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The SN74HCT645NSRE4 is a high-performance, low power, field of logic integrated circuit (IC) designed to provide faster, low-voltage data routing, addressing, and multiplexing operations. It is available in a wide variety of package styles, ranging from quad flat package (QFP) to plastic dual in-line packages (PDIP), and is ideal for applications such as bank card readers, disk drives, instrumentation equipment, motor control systems, and PLCs. Furthermore, it is designed to operate with a wide range of logic voltages, allowing it to be used in both high-voltage and low-voltage systems.The SN74HCT645NSRE4 is a popular IC used in a variety of applications due to its low power consumption and high speed. It is a half-duplex bus transceiver which means that it can transmit data over one line and receive data on a different line. It has two 8-bit channels capable of transmitting data at up to 25MHz, providing fast data transmission and reception. When used in full-duplex applications, the two channels can be used in either a master or slave configuration. The SN74HCT645NSRE4 also features an integrated buffer circuit for level shifting, an integrated clock generation circuit, and an output enable control which helps reduce the power consumption.The SN74HCT645NSRE4 is also capable of multiplexing and address decoding. It has two 8-bit addressable registers which it uses to route and address data within the circuit. When combined with the clock and output enable control, the SN74HCT645NSRE4 is capable of routing data to multiple destinations within the circuit, allowing for more efficient data transfer.The working principle of the SN74HCT645NSRE4 is relatively simple. It uses the two 8-bit registers to store data, and the clock and output enable control to route it. Data is written to the registers via the data inputs, and read from them via the data outputs. If the data is needed at multiple destinations, then the output enable control is used to determine which data output is active. Data is then routed from the register to the outputs, or from the inputs to the register, as needed.In conclusion, the SN74HCT645NSRE4 is designed to provide faster, low-voltage data routing, addressing, and multiplexing operations. It can be used in both low-voltage and high-voltage systems, has fast data transmission and reception capabilities, and features a built-in buffer circuit for level shifting. It is capable of address decoding, multiplexing, and routing data to multiple destinations, providing more efficient data transfer. In addition, it has low power consumption and a wide variety of package styles available.

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