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PCA9505 Datasheet 40-bit I2c-bus I/o Port

Manufacturer: NXP Semiconductors

Overview: PCA9505_9506 40-bit I2C-bus I/O port with RESET, OE and INT Rev.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The PCA9505/PCA9506 provide 40-bit parallel input/output (I/O) port expansion for I2Cbus applications organized in 5 banks of 8 I/Os.

At 5 V supply voltage, the outputs are capable of sourcing 10 mA and sinking 15 mA with a total package load of 600 mA to allow direct driving of 40 LEDs.

Any of the 40 I/O ports can be configured as an input or output.

Key Features

  • Standard mode (100 kHz) and Fast mode (400 kHz) compatible I2C-bus serial interface.
  • 2.3 V to 5.5 V operation with 5.5 V tolerant I/Os.
  • 40 configurable I/O pins that default to inputs at power-up.
  • PCA9505 includes 100 kΩ internal pull-up resistors on all the I/Os.
  • Outputs:.
  • Totem-pole (10 mA source, 15 mA sink) with controlled edge rate output structure.
  • Active LOW output enable (OE) input pin 3-states all outputs.
  • Output s.

More Datasheets from NXP Semiconductors

Part Number Description
PCA9500 8-bit I2C and SMBus I/O port
PCA9501 8-bit I2C and SMBus I/O port
PCA9504A Glue chip 4
PCA9508 Hot swappable level translating I2C-bus repeater
PCA9509 Level translating I2C-bus/SMBus repeater
PCA9510 Hot swappable I2C and SMBus bus buffer
PCA9511 Hot swappable I2C and SMBus bus buffer
PCA9512 Level shifting hot swappable I2C and SMBus buffer
PCA9512A Level shifting hot swappable I2C-bus and SMBus bus buffer
PCA9512B Level shifting hot swappable I2C-bus and SMBus bus buffer

PCA9505 Distributor