Product Summary

The PCA9555PW is a 24-pin CMOS device that provides 16 bits of general purpose parallel input/output expansion for I2C-bus/SMBus applications.

Parametrics

PCA9555PW absolute maximum ratings: (1)VDD, supply voltage: 6V; (2)VI/O, voltage on an input/output pin: 6V; (3)IO, output current: ±50mA; (4)II, input current: ±20mA; (5)IDD, supply current: 160mA; (6)ISS, ground supply current: 200mA; (7)Ptot, total power dissipation: 200mW; (8)Tstg, storage temperature: -65 to 150℃; (9)Tamb, ambient temperature: -40 to 85℃.

Features

PCA9555PW features: (1)Operating power supply voltage range of 2.3V to 5.5V; (2)5V tolerant I/Os; (3)Polarity inversion register; (4)Active low interrupt output; (5)Low standby current; (6)Noise filter on SCL/SDA inputs; (7)No glitch on power-up; (8)Internal power-on reset; (9)16 I/O pins which default to 16 inputs; (10)0Hz to 400kHz clock frequency.

Diagrams

PCA9555PW block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
PCA9555PW
PCA9555PW

Texas Instruments

I/O Expanders, Repeaters & Hubs Remote 16-Bit I2C & SMBus I/O Expander

Data Sheet

0-1: $1.91
1-25: $1.74
25-100: $1.60
100-250: $1.19
PCA9555PW,112
PCA9555PW,112

NXP Semiconductors

I/O Expanders, Repeaters & Hubs I2C/SMBUS 16BIT GPIO

Data Sheet

0-1: $1.19
1-25: $1.07
25-100: $0.96
100-250: $0.85
PCA9555PW/DG,118
PCA9555PW/DG,118

NXP Semiconductors

I/O Expanders, Repeaters & Hubs 16-BT I2C/SMBUS

Data Sheet

0-1: $0.77
1-25: $0.74
25-100: $0.70
100-250: $0.67
PCA9555PW,118
PCA9555PW,118

NXP Semiconductors

I/O Expanders, Repeaters & Hubs 16-BIT I2C FM TP GPIO INT PU

Data Sheet

0-1: $1.19
1-25: $1.07
25-100: $0.96
100-250: $0.85
PCA9555PWE4
PCA9555PWE4

Texas Instruments

I/O Expanders, Repeaters & Hubs Remote 16-Bit I2C & SMBus I/O Expander

Data Sheet

0-1: $1.91
1-25: $1.74
25-100: $1.60
100-250: $1.16
PCA9555PW/DG-T
PCA9555PW/DG-T

NXP Semiconductors

I/O Expanders, Repeaters & Hubs 16-BT I2C/SMBUS I/O PORT W/INT

Data Sheet

Negotiable 
PCA9555PWR
PCA9555PWR

Texas Instruments

I/O Expanders, Repeaters & Hubs Remote 16-Bit I2C & SMBus I/O Expander

Data Sheet

0-1: $2.08
1-25: $1.67
25-100: $1.48
100-250: $1.33
PCA9555PWG4
PCA9555PWG4

Texas Instruments

I/O Expanders, Repeaters & Hubs Rem 16B I2C & SMBus I/O Expander

Data Sheet

0-1: $1.91
1-25: $1.74
25-100: $1.60
100-250: $1.16