74HC573 - Octal D-type transparent latch DIP-IC

74HC573 Octal D-Type Transparent Latch DIP-IC

The 74HC573 is a high-speed Si-gate CMOS octal D-type transparent latch. This DIP-IC features eight D-type inputs and 3-state outputs, suitable for bus-oriented applications. Pin compatibility with low power Schottky TTL (LSTTL) is provided, and the device complies with JEDEC standard no. 7A. A common Latch Enable (LE) input controls data entry. An Output Enable (OE) input manages the 3-state outputs. When LE is HIGH, data passes directly to outputs; when LE is LOW, data is stored. The 3-state outputs facilitate shared data buses in microprocessor and general digital logic systems.

Specifications:

• Logic Family: 74HC/HCT Series
• Device Type: Octal D-Type Transparent Latch
• Outputs: 3-State, Non-Inverting
• Output Capability: Bus Driver
• Inputs: 8 D-Type, Latch Enable (LE), Output Enable (OE)
• Technology: High-Speed Si-Gate CMOS
• Pin Compatibility: LSTTL
• Standard Compliance: JEDEC Standard No. 7A
• Package Type: DIP-IC
• ICC Category: MSI

Key features and benefits:

• Inputs and outputs on opposite sides for microprocessor interfacing.
• Functions as an input or output port for microprocessors/microcomputers.
• 3-state non-inverting outputs for bus-oriented applications.
• Common 3-state output enable input for data flow control.
• Bus driver output capability.
• High-speed Si-gate CMOS technology.
• Pin compatible with LSTTL devices.
• Compliant with JEDEC standard no. 7A.

Applications:

• Microprocessor and microcomputer I/O ports
• Data buffering and storage in digital systems
• Bus-oriented data transmission
• Address latching
• General-purpose digital logic circuits

Frequently Asked Questions:

Q: How does the Latch Enable (LE) input control data flow in the 74HC573?
A: When the Latch Enable (LE) input is HIGH, data passes directly from inputs to outputs. When LE is LOW, data present at the inputs is stored and held at the outputs.

Q: How do the 3-state outputs operate on the 74HC573?
A: The 3-state outputs are controlled by the Output Enable (OE) input. When OE is LOW, outputs are active. When OE is HIGH, outputs enter a high-impedance state, allowing connection to shared data buses.

Q: Is the 74HC573 compatible with other logic families?
A: Yes, the 74HC573 is pin compatible with low power Schottky TTL (LSTTL) devices.

Package Includes:

*Image shown is a representation only.

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