Texas Instruments SN74ALVCH16271DLR Multiplexed Bus Exchanger

The Texas Instruments SN74ALVCH16271DLR is a 12- to 24-bit multiplexed bus exchanger that is designed for use in a variety of applications, including:

• Datacom and telecom systems
• Industrial control systems
• Consumer electronics
• Automotive systems

The SN74ALVCH16271DLR features a high-speed, low-voltage design that makes it ideal for use in today's demanding applications. It can operate at voltages as low as 1.65V, and it has a maximum data rate of 200MHz.

The SN74ALVCH16271DLR also features a variety of features that make it ideal for use in multiplexed bus applications, including:

• A low-power design that consumes only 10uA per bit of data
• A high-impedance output buffer that allows for multiple devices to be connected to the same bus
• A bus-select function that allows for the device to be used in multiplexed bus applications

The SN74ALVCH16271DLR is available in a 56-BSSOP package, and it is RoHS compliant.

Features and Benefits

• High-speed, low-voltage design
• Operates at voltages as low as 1.65V
• Maximum data rate of 200MHz
• Low-power design consumes only 10uA per bit of data
• High-impedance output buffer allows for multiple devices to be connected to the same bus
• Bus-select function allows for the device to be used in multiplexed bus applications
• Available in a 56-BSSOP package
• RoHS compliant

Applications

• Datacom and telecom systems
• Industrial control systems
• Consumer electronics
• Automotive systems

Example Applications

• Multiplexing data between multiple processors or memory devices
• Routing data between different buses
• Implementing address decoders
• Implementing chip selects

Block Diagram

The following block diagram shows the functional blocks of the SN74ALVCH16271DLR:

[Block diagram of SN74ALVCH16271DLR]

Pin Description

The following table shows the pin description of the SN74ALVCH16271DLR:

Operation

The SN74ALVCH16271DLR is a multiplexed bus exchanger that can be used to route data between two buses. The device has 12 multiplexed bus inputs/outputs (A0 to A11) and one data output (Y). The direction of data flow is controlled by the DIR input. When DIR is high, data flows from the A inputs to the Y output. When DIR is low, data flows from the Y input to the A outputs.

The select input (SEL) is used to enable or disable the device. When SEL is high, the device is enabled. When SEL is low, the device is disabled.

The output enable input (~OE) is used to control the output buffer of the device. When ~OE is low, the output buffer is enabled. When ~OE is high, the output buffer is disabled.

Applications

The SN74ALVCH16271DLR can be used in a variety of applications, including:

• Multiplexing data between multiple processors or memory devices
• Routing data between different buses
• Implementing address decoders
• Implementing chip selects

Example Applications

• Multiplexing data between two processors in a multiprocessor system
• Routing data between the CPU and memory in a microcontroller system
• Implementing an address decoder for a memory bank
• Implementing a chip select for a peripheral device

Conclusion

The Texas Instruments SN74ALVCH16271DLR is a versatile and high-performance multiplexed bus exchanger that can be used in a variety of applications. It features a high-speed, low-voltage design, a low-power.