PCA9555PW vs TCA9555PWR Comparison

Detailed side-by-side comparison of PCA9555PW by NXP Semiconductors and TCA9555PWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

NXP Semiconductors
PCA9555PW PCA9555PW - 16-Bit I2C GPIO Expander | NXP Semiconductors

PCA9555PW - 16-Bit I2C GPIO Expander | NXP Semiconductors

PCA9555PW ✓ Active
Texas Instruments
TCA9555PWR TCA9555PWR - 16-bit I2C/SMBus I/O Expander w/ Interrupt | TI

TCA9555PWR - 16-bit I2C/SMBus I/O Expander w/ Interrupt | TI

TCA9555PWR ✓ Active

Specification Comparison

Parameter PCA9555PW TCA9555PWR
Brand NXP Semiconductors Texas Instruments
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Stock Status In Stock In Stock
Unit Price (USD) $0.00 $0.79
Device Type 16-bit I2C-bus/SMBus GPIO expander —
Number of GPIO Ports 16 ports —
Package 24-pin TSSOP 24-pin TSSOP (PW)
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 —
Mounting Type Surface mount Surface Mount
Pin Count 24 pins —
Operating Temperature [DATA_NEEDED: operating temperature range] -40 C to +85 C
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] —
RoHS Status [DATA_NEEDED: RoHS status] Compliant
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification] —
Function — 16-bit I2C/SMBus I/O expander
Number of I/O — 16
Interface — I2C, SMBus
Maximum Clock Frequency — 400 kHz (TI) / 1 MHz (UMW second-source)
I2C Address Pins — 3 (A0, A1, A2) - up to 8 devices per bus
Interrupt Output — Yes, active-low open-drain INT
Configuration Registers — Yes (direction, polarity, mask)
Weak Pull-up Resistors — Programmable per port
Supply Voltage (VCC) — 1.65 V to 5.5 V
Output Current per Bit — -25 mA to +25 mA (sink/source)
I/O Voltage Tolerance — 5 V tolerant
MSL Level — 1 (260 C, unlimited floor life per JEDEC J-STD-020)
REACH — Compliant

Datasheets & Resources

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