| Part Number | PCA9539 Datasheet |
|---|---|
| Manufacturer | NXP Semiconductors |
| Overview |
The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applications and was developed .
and benefits
* 16-bit I2C-bus GPIO with interrupt and reset * Operating power supply voltage range of 2.3 V to 5.5 V (3.0 V to 5.5 V for PCA9539PW/Q900 and PCA9539RPW/Q900) * 5 V tolerant I/Os NXP Semiconductors PCA9539; PCA9539R 16-bit I2C-bus and SMBus low power I/O port with interrupt and reset. |
PCA9539 Datasheet and Specifications PDF
The PCA9539 is a 16-bit I2C and SMBus low power I/O port.
| Part Number | PCA9539 Datasheet |
|---|---|
| Description | Remote 16-Bit I2C and SMBus Low-Power I/O Expander |
| Manufacturer | Texas Instruments |
| Overview |
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via t.
*1 Low Standby-Current Consumption of 1 μA Max * I2C to Parallel Port Expander * Open-Drain Active-Low Interrupt Output * Active-Low Reset Input * 5-V Tolerant I/O Ports * Compatible With Most Microcontrollers * 400-kHz Fast I2C Bus * Polarity Inversion Register * Address by Two Hardware Address Pin. |
| Part Number | PCA9539 Datasheet |
|---|---|
| Description | Low-voltage 16-bit I2C and SMBus low-power I/O expander |
| Manufacturer | Nexperia |
| Overview |
The PCA9539 provides 16 bits of General Purpose Input/Output (GPIO) expansion with interrupt and reset for I²C-bus/SMBus applications. It is designed for a wide voltage range of 2.3 V to 5.5 V. Nexper.
and benefits
* I²C-bus to parallel port expander * Operating power supply voltage range of 2.3 V to 5.5 V * Ultra low standby current consumption: * 1 µA (maximum) * Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs * Vhys = 0.10 × VCC . |