Product Overview: SN74AHCT573DWRG4 by Texas Instruments

The SN74AHCT573DWRG4 is a high-performance, octal transparent D-type latch with 3-state outputs from Texas Instruments, designed for 4.5-V to 5.5-V VCC operation. This integrated circuit (IC) is part of the 'AHCT' family, which means it combines the speed of CMOS with the output drive and threshold levels of TTL, making it ideal for interfacing with both CMOS and TTL logic levels.

This device features eight D-type latches with 3-state outputs in a single package, providing a convenient way to interface 8-bit data to bus-structured systems. The transparent nature of the latches means that while the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the levels set up at the D inputs.

A significant feature of SN74AHCT573DWRG4 is the 3-state outputs, which can be placed in a high-impedance state. This is particularly useful in bus-oriented applications, allowing multiple outputs to interface with a common bus without the risk of contention. When the output-enable (OE) input is high, the outputs are in the high-impedance state.

Key specifications of the SN74AHCT573DWRG4 include:

• Logic Family: AHCT
• Logic Type: Octal Transparent D-Type Latches
• Number of Bits per Element: 8
• Output Type: 3-State
• Package / Case: SOIC-20
• Operating Temperature Range: -40°C to 85°C

The device is offered in a wide-body, 20-pin SOIC package, which is designed for improved thermal performance and reduced board space. Its robustness is further demonstrated by the latch-up performance that exceeds 250 mA per JESD 17, and ESD protection exceeds JESD 22.

Whether used in computers, computer peripherals, or telecommunication systems, the SN74AHCT573DWRG4 from Texas Instruments provides a reliable solution for data storage and transfer applications where low power consumption and high-speed operation are paramount.

For detailed specifications, application circuits, and additional information, designers are encouraged to consult the datasheet and Texas Instruments' support resources.