SN74BCT8240ANT

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The SN74BCT8240ANT is a 16-bit buffer/line driver with three-state outputs. It is manufactured by Texas Instruments, Inc., and is intended to be used with microprocessor systems, baseband and telecommunications, logic controllers and other digital logic systems. The SN74BCT8240ANT operates in conjunction with a basic logic family such as the SN74150 for 4-bit, 8-bit and 16-bit data operation. This buffer is characterized by its high-drive outputs, low-impedance threshold and fast propagation delay.

Application Field

Digital buffers are essential for moderating the output of components such as transistors, integrated circuits and resistors in digital circuits, sending valid data from the input of one unit to the output of the next. The SN74BCT8240ANT is a 16-bit buffer/line driver, ideal for moderating the data output of many digital devices. This is especially useful in more complex digital systems, such as microprocessor systems, logic controllers and other digital logic systems. The SN74BCT8240ANT is a single-chip device with an integrated circuit to allow the buffering of the data sent and received between various digital components.

The SN74BCT8240ANT has enabled engineers to take advantage of the latest low-voltage digital IC technology. This IC is suitable for operation in the same ambient temperature range as most other digital systems (minus 40°C to +85°C). It has excellent power savings compared to single-ended solutions, which increases the average power efficiency of a system. The SN74BCT8240ANT enables a low-power design with an ESD protection of 2.0 KV.

Working Principle

The SN74BCT8240ANT operates as a 16-bit bidirectional buffer with three-state outputs. It is capable of buffering data flows from any logic family, as long as the voltage range is compatible. It is rated to operate from a single +5V supply and a power consumption of 350mA (maximum). The input pull-up resistors are provided to eliminate the need for external resistors, and the devices have been designed with hysteresis to match the input logic level with the output logic levels.

The SN74BCT8240ANT has been designed to be used as both a buffer for driving the inputs of other ICs, and as a bus driver for driving the outputs of other ICs. It has an open drain enable (OE) pin which can be used to enable/disable the buffer and allows the IC to be disabled when it is not being used. The IC also has an ENABLE pin which can be used to disable all the outputs simultaneously, allowing the IC to be placed in a low-power state.

The SN74BCT8240ANT has a very low quiescent power consumption and can operate at high speeds with excellent noise immunity. The logic levels of the IC are designed to match those of other logic families, including those based on the 5VCMOS logic family. It also utilizes advanced circuit protection features to protect the IC from ESD and EMI. The SN74BCT8240ANT is available in a TSSOP14 package which is RoHS compliant.

Conclusion

The SN74BCT8240ANT is an ideal device for digital systems which require buffering of digital data and bus driving. The IC has excellent noise immunity and low power consumption, and is available in a TSSOP14 package. The SN74BCT8240ANT is a powerful, high-performance 16-bit buffer/line driver with three-state outputs and is ideal for use in microprocessor systems, logic controllers and other digital logic systems.

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