IDT74FCT3807APY

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The IDT74FCT3807APY is an octal bus transceiver designed for asynchronous two-way communication between data buses. It allows data transmission from the A bus to the B bus or vice versa, depending on the logic level at the Direction Control (DIR) input. This includes the ability to drive 20mA outputs from either the A or B bus.

This transceiver is intended for general-purpose data transmission applications such as microprocessor system logic, data communications and signal buffering. It has a low power consumption and is well suited for high speed CMOS systems. Its features make it well suited for clock/timing - clock buffers, drivers, storage registers, general-purpose bus driving, bus zapping, bus hold, and PAL device architects.

The IDT74FCT3807APY has an octal bus transceiver architecture consisting of four stages: a differential receiver, an inverting latch, an inverting buffer, and an output driver. It uses an output enable (OE) input to control whether data is transmitted from the data inputs (DI) to the data outputs (DO) or from the DO to the DI. The device can operate in single-ended, dual-ended, or bus-hold mode which allows for a flexible application-dependent system.

The differential receiver is the first circuit in the IDT74FCT3807APY. This is used to sense the logic levels of the two input signals, DI and OE. The DI signal is sampled and the OE signal is latched at the same time. A differential input equalizes the voltage level of the input signals, so that data is reliably received. The data received is then compared against the previous latch status, which determines whether the data is clocked into the device, or not.

The differential receiver is followed by an inverting latch, which stores the data received by the differential receiver. This latch is followed by an inverting buffer, which is used to create a clean logic level signal. Finally, the output driver stage is used to drive the output signals. This stage is designed to operate between 0V and 5V and provides both low-power and high-speed operation.

The IDT74FCT3807APY provides two outputs, DO and OE. The DO output is the output signal that is supplied to the device’s destinations. The OE output is an enable signal that can be used to control the flow of data on the bus. The device also includes three other control inputs that can be used to further customize the operation of the device.

The IDT74FCT3807APY is an ideal solution for clock/timing - clock buffers, drivers, storage registers, general-purpose bus driving, bus zapping, bus hold, and PAL device architectures. Its low-power consumption, low-noise operation, and differential receiver enable a flexible system that is well-suited to many applications. The device also provides an output enable pin that can be used to customize the operation of the device and enable higher speeds and power savings.

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