Semtech | SX1509BIULTRT

The SX1509BIULTRT is a part of SX1509B series general purpose I2C parallel input/output (GPIO) expander. It has a storage temperature ranging from -40°C to +85°C and its available in QFN-28 package.

The SX1509B are complete ultra low voltage General Purpose parallel Input/Output (GPIO) expanders ideal for low power handheld battery powered equipment.

Features:

• 1.2 V to 5.5 V (SX1507B) Low Operating Voltage with Dual Independent I/O Rails (VCC1, VCC2)
• Enable Direct Level Shifting Between I/O Banks and Host Controller
• 5.5V Tolerant I/Os, Up to 15mA Output Sink on All I/Os (No Total Sink Current Limit)
• Integrated LED Driver for Enhanced Lighting
• Intensity Control (256-step PWM)
• Blink Control (224 On/Off values)
• Breathing Control (224 Fade In/Out values)
• On-Chip Keypad Scanning Engine
• Support Up to 8x8 Matrix (64 Keys)
• Configurable Input Debouncer
• 4/8/16 Channels of True Bi-directional Style I/O
• Programmable Pull-up/Pull-down
• Push/Pull or Open-drain outputs
• Programmable Polarity
• Open Drain Active Low Interrupt Output (NINT)
• Bit Maskable
• Programmable Edge Sensitivity
• Built-in Clock Management
• OSCIO can be Configured as GPO
• 400kHz I2C Compatible Slave Interface
• 4 User-Selectable I²C Slave Addresses
• Power-On Reset and Reset Input (NRESET)
• Ultra Low Current Consumption: 1uA Typ

Application:

• Cell phones, PDAs, MP3 players
• Digital camera, Notebooks, GPS Units
• Any battery powered equipment

View the available family of I2C parallel expander