HLF8574T – 8-Bit I²C/SMBus I/O Expander with Interrupts (DIP16) 8-Bit Remote I/O Expander | 2.5 V–6 V | –40 °C to +85 °C | Through-Hole Package

HLF

The HLF8574T (DIP16) provides the same reliable 8-bit I/O expansion via I²C/SMBus interface in a through-hole DIP16 format, ideal for prototyping and educational setups. It enables easy I/O extension for microcontrollers with minimal pin usage and provides interrupt capability for efficient signal handling.

Key Features:

  • Function: 8-Bit I²C/SMBus I/O Expander with Interrupt

  • Operating Voltage: 2.5 V – 6 V

  • I/O Lines: 8 (Bidirectional)

  • Interface: I²C/SMBus

  • Interrupt Output: Active-Low

  • Operating Temperature: –40 °C to +85 °C

  • Package Type: DIP16 (Dual In-line Package)

  • Mounting Type: Through-Hole

  • Low-Power Operation

  • Supports Multiple Device Addresses

  • High-Noise Immunity and Stable I/O

Applications:

  • Prototyping Boards

  • Educational Kits

  • Industrial Control Panels

  • Embedded Hardware Projects

  • Sensor and Display Interface Expansion