DM74ALS563AN

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The DM74ALS563AN is an 8-bit bidirectional Transceiver Latch which is primarily used to transfer data between two separate buses, which can have different voltage levels. This device is capable of driving up to 15 TTL loads and negotiates transitions between these two separate buses by converting each bus\' respective voltage levels. This device has separate latches for each direction of data transmission, as well as control lines for enabling or disabling each direction independently.
The DM74ALS563AN is composed of two independent 8-bit registers with each register controlling its respective direction. The primary function of this latch is to act as an interface between two buses that have different voltage levels, allowing one to control the other without direct electrical connection. This latch is equipped with two control lines (OE\$_L\$ and OE\$_R\$) for each direction which are used to enable or disable data transmission in each direction independent of the other.

The DM74ALS563AN has a built-in buffer on the output of each register, allowing it to drive up to 15 TTL loads. In order to transfer data between the two buses, the data must first be loaded into the appropriate register. When the output enable (OE) lines of each register are active, the data is transferred from the registers to the respective bus. The data is then latched into the register on the receiving side.

The DM74ALS563AN is used in a variety of applications ranging from computer memory addressing to multiplexing bus data. This device is often used in memory controllers, memory broadcast systems and data bus multiplexers where data can be transferred between two separate buses with different voltage levels. It can also be used in systems that require bidirectional data flow such as medical imaging equipment and other digital meters. This latch is also used to interface with other devices such as analog-to-digital converters, digital-to-analog converters, clock/data recovery systems and digital signal processors.

The DM74ALS563AN is an ideal choice for systems that require bidirectional data flow and interfacing with devices of different voltage levels. This latch is designed to provide optimal data transmission between two independent buses and can operate at data transfer speeds of up to 500MHz. It is also designed to operate in harsh environments, with temperatures ranging from -40°C to 85°C. It can be used in a variety of applications from data broadcast systems to multiplexing bus data.

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