Overview
The PCA9506BS,118 is a 40-bit parallel input/output (I/O) port expander designed by NXP USA Inc. This component is part of the PCA9505/PCA9506 series and is specifically tailored for I2C-bus applications. It is available in a 56-pin VFQFN Exposed Pad package and operates over an industrial temperature range of -40°C to +85°C. The device is designed to provide flexible I/O expansion, making it suitable for various embedded systems and industrial applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCA9506BS,118 |
| Package | 56-VFQFN Exposed Pad |
| Supply Voltage | 2.3 V to 5.5 V |
| Number of Pins | 56 |
| Temperature Range | -40°C to +85°C |
| I/O Configuration | 40-bit parallel input/output, organized in 5 banks of 8 I/Os |
| Interface | I2C-bus serial interface (Standard mode: 100 kHz, Fast mode: 400 kHz) |
| Output Structure | Totem-pole (10 mA source, 15 mA sink) with controlled edge rate |
| Interrupt Output | Open-drain active LOW interrupt (INT) pin |
| Reset | Active LOW reset (RESET) input pin |
| ESD Protection | Exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101 |
| RoHS Status | ROHS3 Compliant |
Key Features
- 40 configurable I/O pins that default to inputs at power-up
- 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
- Totem-pole output structure with controlled edge rate
- Active LOW output enable (OE) input pin to 3-state all outputs
- Open-drain active LOW interrupt (INT) output pin for monitoring input pins
- Programmable Interrupt Mask Control for input pins
- Polarity Inversion register allows inversion of the polarity of the I/O pins when read
- Active LOW reset (RESET) input pin resets device to power-up default state
- Three programmable address pins allowing 8 devices on the same bus
- Designed for live insertion with minimal line disturbance and signal transient rejection
- Low standby current and robust I2C-bus state machine
Applications
The PCA9506BS,118 is versatile and can be used in a variety of applications, including:
- Embedded systems requiring I/O expansion
- Industrial automation and control systems
- Consumer electronics with I2C-bus interfaces
- Medical devices requiring multiple I/O ports
- Automotive systems needing robust and reliable I/O expansion
- IoT devices and smart home appliances
Q & A
- What is the PCA9506BS,118 used for?
The PCA9506BS,118 is used for 40-bit parallel input/output (I/O) port expansion in I2C-bus applications.
- What is the operating temperature range of the PCA9506BS,118?
The operating temperature range is -40°C to +85°C.
- What type of package does the PCA9506BS,118 come in?
The PCA9506BS,118 comes in a 56-pin VFQFN Exposed Pad package.
- What is the supply voltage range for the PCA9506BS,118?
The supply voltage range is 2.3 V to 5.5 V.
- Does the PCA9506BS,118 support Fast mode I2C-bus?
Yes, it supports both Standard mode (100 kHz) and Fast mode (400 kHz) I2C-bus.
- How many I/O pins does the PCA9506BS,118 have?
The PCA9506BS,118 has 40 configurable I/O pins, organized in 5 banks of 8 I/Os.
- What is the purpose of the INT pin on the PCA9506BS,118?
The INT pin is an open-drain active LOW interrupt output pin that allows monitoring of the input pins.
- Can multiple PCA9506BS,118 devices be connected on the same I2C-bus?
Yes, up to 8 devices can be connected on the same bus using the three programmable address pins.
- Is the PCA9506BS,118 RoHS compliant?
Yes, the PCA9506BS,118 is ROHS3 Compliant.
- What is the ESD protection level of the PCA9506BS,118?
The ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115, and 1000 V CDM per JESD22-C101.
