MM74HC244SJ

Series:	74HC
Packaging:	Tube
Part Status:	Obsolete
Logic Type:	Buffer, Non-Inverting
Number of Elements:	2
Number of Bits per Element:	4
Input Type:	--
Output Type:	3-State
Current - Output High, Low:	7.8mA, 7.8mA
Voltage - Supply:	2 V ~ 6 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-SOP
Base Part Number:	74HC244

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MM74HC244SJ Application Field and Working PrincipleThe MM74HC244SJ is a high-speed CMOS 8-Bit Buffer/Driver with 3-STATE outputs designed to improve the performance of memory-decoding or data-routing applications. It is characterized by low power consumption and high noise immunity. This makes it an ideal choice for many applications, including high-speed buffering, memory-decoding, and data-routing.Logic-Buffers, Drivers, Receivers, and Transceivers are the main application fields of the MM74HC244SJ. The logic buffers are used to improve the performance of memory-decoding or data-routing applications by buffering signals between different logic systems. The drivers enable data to be passed from a logic system to a destination that does not have a direct connection to the logic system. The receivers enable data to be received from a source that does not have a direct connection to the logic system. The transceivers enable bi-directional communication between two logic systems.The MM74HC244SJ is an 8-bit buffer/driver that includes six inverters and two 3-state buffers. The three-state buffers are used to enable or disable the output port of the device. When enabled, the output port can also be put in high-impedance state by driving the output enable (OE) pin low. The device also includes an active low reset pin that when driven low, puts all the output pins in high-impedance state.The MM74HC244SJ operates on 3.3V and 5V supply voltages and is capable of handling data rates up to 30MHz. The device has a low power consumption of 400µA. The maximum propagation delay time is 7ns at 5V supply and 5ns at 3.3V supply. The rise and fall times are also fast, making it well suited for high-speed applications such as network interface cards, bus decoders, and clock drivers.The device also has high noise immunity, making it immune to noise on power and ground lines. This makes it an ideal choice for use in high-noise environments such as automotive and industrial applications.In conclusion, the MM74HC244SJ is a high-speed CMOS 8-Bit Buffer/Driver designed to improve the performance of memory decoding or data routing applications. It is characterized by low power consumption, high noise immunity, and fast rise and fall times. The MM74HC244SJ is an ideal choice for many applications, including high-speed buffering, memory decoding, data routing, and high-noise environments.

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