MC74HC157ADG

Series:	74HC
Packaging:	Tube
Part Status:	Active
Type:	Data Selector/Multiplexer
Circuit:	4 x 2:1
Independent Circuits:	1
Current - Output High, Low:	7.8mA, 7.8mA
Voltage Supply Source:	Single Supply
Voltage - Supply:	2 V ~ 6 V
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	74HC157

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The MC74HC157ADG is a high-speed Octal Bidirectional Data Bus Switch and is suitable for English-based and Metric systems of logic families. It is a single supply device that can interface voltages from 3 V to 18 V. The device was designed for high speed applications and is optimized for low power consumption. The MC74HC157ADG is a highly integrated solution for managing multi-level data interconnects. It features an octal-configurator device with eight channels, each with its own enable/disable pin. Each channel has separate bi-directional control signals and each can be enabled or disabled with its associated enable/disable pin.The MC74HC157ADG high-speed data bus switch has the ability to act as a bidirectional switch that can be used for multiplexing multi-level signals. It has an integrated level-shifter that allows signals to be multiplexed without the need for additional external components. The device also has built-in protection circuits to ensure robust operation in noisy environments. When enabled, the switch is able to maintain signal integrity and to offer low propagation delay times.In addition to its high speed operation, the MC74HC157ADG also has an easy to use programming interface and up to 20-MHz frequency input/output capability. The multiplexer includes 8 channels and 8 enable/disable pins that ensure that the device will remain compatible in systems with multiple buses. It has wide input/output voltage range and is available in SOIC and QFN packages for increased flexibility and small footprint solutions.The MC74HC157ADG utilizes a high speed level shifter and operates at up to 20-MHz frequency. This switch also features a built-in power-on reset function to ensure a stable system start-up. The logic is designed so the input signals are connected to the outputs when enabled and the outputs are connected to the inputs when disabled. It also features a disable-all mode which can be used to shut down the device when not in use. This feature helps reduce overall power consumption and ensures system reliability.The MC74HC157ADG is used in various applications such as telecommunications and network systems, audio and video equipment, automotive systems, and medical instrumentation. It is ideal for switching high-speed data signals, such as in USB 3.0, SATA applications and HDMI video applications. Due to its high speed operation and low power consumption, the MC74HC157ADG can replace older switches saving on performance and overall system cost.The versatility of the MC74HC157ADG allows it to be used in both English-based and Metric systems. Its diverse range of application fields, makes it an ideal choice for multi-level data interconnects. The MC74HC157ADG Octal Bidirectional Data Bus Switch is an excellent choice for applications that require highly optimized performance. The device provides an easy to use design and is an ideal solution for applications with multiple buses, as it can multiplex multi-level signals without the need for additional external components.

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