CD74ACT373M

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The CD74ACT373M is a member of the Act family of CMOS devices and is a latched, bus interface device that is used in a wide variety of digital applications throughout a system. The latched and bus interface elements of the device make it an ideal choice for applications that require a high degree of integration and performance.

The CD74ACT373M is composed of eight latches, each featuring a three-state output latch and the necessary inputs for setting, resetting, and clock synchronization. The 3-state bus enable circuitry associated with each latch output serves to allow the device to be effectively used for both latch outputs and input/output (I/O) functions.

The CD74ACT373M has the ability to accept asynchronous input data while its data output is in the high-impedance state. The device also features programmable output control, enabling it to output data either inverted or non-inverted, depending on the configuration of the latch. This flexibility makes the CD74ACT373M an ideal solution for a variety of data conversion and I/O applications.

The CD74ACT373M is typically used in applications that require the transfer of data between different buses. It is used to convert signals from a wide variety of buses, including PCMCIA (Personal Computer Memory Card International Association), the Fast ESCON (Enterprise System Connection) channel, and the ISA (Industry Standard Architecture). It is also used in applications such as digital logic, telecommunications systems, digital camera interfaces, and computer data buses.

The CD74ACT373M is designed to be powered only by a single +5V power supply. The device conserves power by automatically entering a low-power consumption mode when the power supply voltage drops below a predetermined voltage value. This makes it ideal for use in portable devices and batteries where the voltage must remain constant.

The CD74ACT373M\'s operation is based on a positive edge-triggered latch register, which can store up to 8 bits of data. Data is entered into the latches via the data inputs while the CLK input is held in the high state. The data output is placed in a high impedance condition while the CLK input is in the low state.

When the CLK input transitions from low to high, the latches are enabled and the data is stored in the latch register. When the CLK signal is again Low, the stored data will remain stored in the latch until another signal transition occurs. The LS and EN inputs also affect the operation of the latch.

The LS input is used to control the register\'s shift direction when the R/S input is in the low state. A logic high is used to transfer data from the data inputs to the shift register, while a logic low is used to transfer data from the shift register to the data outputs. The EN input is used to enable and disable the latch register.

The CD74ACT373M is also equipped with BUSEN, OEN, and CKGNT inputs, which provide additional control and flexibility for applications requiring multiple bus masters and slaves. The BUSEN and OEN inputs are designed to be used for selectively enabling and disabling the device, while the CKGNT pin is used for Clock synchronization between multiple devices.

In summary, the CD74ACT373M is an ideal solution for applications requiring high performance and low-voltage operation. Its ability to accept asynchronous data inputs, programmable output control, and additional control inputs make it an ideal choice for applications requiring multiple bus interfaces. The device is designed for operation with a single +5V power supply and is ideal for applications where low power consumption is a priority.

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