SN74HC573ADWR SMD IC D-Type Latches SOP20 TI 74573 SN74HC573ADWR

Product Overview:

A surface-mount, octal transparent D-type latch integrated circuit featuring three-state outputs. Designed specifically for bus-driving applications, it allows for efficient data storage and buffering in microprocessor systems, where it acts as a temporary data holding device.

Core Specifications:

Manufacturer: Texas Instruments

Package Type: Available in various packages including SOP, SSOP, and TSSOP

Function: Octal Transparent D-Type Latch with 3-State Outputs

Input Channels: 8 Independent Transparent D-Type Latches

Control Interface: Direct Logic Input (Latch Enable and Output Enable)

Features:

• Wide operating voltage range: 2V to 6V

• High-current 3-state outputs capable of driving bus lines directly

• Bus-structured pinout for simplified PCB layout

• Low power consumption: 80 µA maximum $I_{CC}$

• Typical propagation delay ($t_{pd}$): 21 ns at 5V

• High-impedance state for effective bus isolation

• Compatible with LSTTL load requirements (up to 15 loads)

Applications:

• Buffer registers and I/O ports

• Bidirectional bus drivers

• Microprocessor data bus interfacing

• Sequential logic circuit design

• Memory and peripheral data buffering