TCA9539PWR vs PCA9555PWR Comparison

Detailed side-by-side comparison of TCA9539PWR by Texas Instruments and PCA9555PWR by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
TCA9539PWR TCA9539PWR - 16-Bit I2C I/O Expander | Texas Instruments

TCA9539PWR - 16-Bit I2C I/O Expander | Texas Instruments

TCA9539PWR ✓ Active

Specification Comparison

Parameter TCA9539PWR PCA9555PWR
Brand Texas Instruments NXP Semiconductors
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Product Type 16-bit I2C and SMBus low-power I/O expander —
Number of I/O Lines 16 —
Operating Supply Voltage Range 1.65 V to 5.5 V —
Maximum I2C Clock Frequency 400 kHz —
Serial Interface I2C and SMBus —
Package 24-pin TSSOP (PW) 24-pin TSSOP
Mounting Type Surface mount Surface mount
Address Inputs A0 and A1 hardware-selectable inputs —
Maximum Devices per I2C Bus 4 —
Interrupt Output Yes —
Reset Input Yes —
Configuration Registers Yes —
Power-On Reset Yes —
Port Operation Input, output, or mixed-direction operation —
Number of Supply Pins 2 —
RoHS Status [DATA_NEEDED: RoHS status] [DATA_NEEDED: RoHS status]
REACH Status [DATA_NEEDED: REACH status] [DATA_NEEDED: REACH status]
Operating Temperature Range [DATA_NEEDED: operating temperature range] —
Quiescent Current [DATA_NEEDED: quiescent current] —
Input/Output Current per Line [DATA_NEEDED: input/output current per line] —
I2C Address [DATA_NEEDED: I2C slave address] —
Device Type — 16-bit I2C-bus/SMBus GPIO expander
Number of GPIO Ports — 16 ports
Supply Voltage Range — 2.3 V to 5.5 V
I2C/SMBus Frequency — 400 kHz
Interrupt Support — Yes
Default GPIO Pull-Up Resistors — Yes
I/O Direction — Configurable input or output per port bit
Device Interface — I2C-bus/SMBus
Logic Family — CMOS
Pin Count — 24 pins
Operating Temperature — [DATA_NEEDED: operating temperature range]
Output Drive Current — [DATA_NEEDED: output drive current]
Input Leakage Current — [DATA_NEEDED: input leakage current]
I2C Address Options — [DATA_NEEDED: I2C address options]
Power Consumption — [DATA_NEEDED: power consumption]
AEC-Q100 Qualification — [DATA_NEEDED: AEC-Q100 qualification]

Datasheets & Resources

Browse All Products Create BOM Request Quote