PCA9554APW vs PCA9554PW Comparison

Detailed side-by-side comparison of PCA9554APW by NXP Semiconductors and PCA9554PW by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

NXP Semiconductors
PCA9554APW PCA9554APW - 8-Bit I2C GPIO Expander | NXP

PCA9554APW - 8-Bit I2C GPIO Expander | NXP

PCA9554APW ✓ Active
NXP Semiconductors
PCA9554PW PCA9554PW - 8-Bit I/O Expander with Interrupt | NXP

PCA9554PW - 8-Bit I/O Expander with Interrupt | NXP

PCA9554PW ✓ Active

Specification Comparison

Parameter PCA9554APW PCA9554PW
Brand NXP Semiconductors NXP Semiconductors
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Device Type 8-bit I2C-bus/SMBus parallel I/O expander —
Number of I/O Pins 8 pins —
I2C Bus Speed 400 kHz —
Operating Supply Voltage 2.3 V to 5.5 V —
Interrupt Output Active-low, open-drain —
Configuration Register 8-bit input/output selection register —
Input Register 8-bit input register —
Output Register 8-bit output register —
Polarity Inversion Register 8-bit active-high or active-low polarity selection register —
Address Configuration 3 address pins —
Fixed I2C Address Different from PCA9554 —
Package TSSOP-16 16-pin TSSOP
Operating Temperature -40 C to +85 C [DATA_NEEDED: Operating temperature range]
Mounting Type Surface mount Surface mount
Bus Interface I2C and SMBus —
I/O Configuration Each pin individually selectable as input or output —
RoHS Status [DATA_NEEDED: RoHS status] [DATA_NEEDED: RoHS status]
REACH Status [DATA_NEEDED: REACH status] [DATA_NEEDED: REACH status]
Product Type — 8-bit I2C/SMBus I/O expander with interrupt
Number of GPIO — 8 bits
Supply Voltage Range — 2.3 V to 5.5 V
I2C/SMBus Maximum Frequency — 400 kHz
I2C/SMBus Supported Frequency — 100 kHz and 400 kHz
Interface — I2C-bus/SMBus
Interrupt Support — Yes
Port Register Features — Input/output and polarity configuration registers
Pull-Up Capability — Weak pull-up
Address Difference — PCA9554A has a different address
Maximum Output Current per Pin — [DATA_NEEDED: Maximum output current per pin]
Input Voltage Levels — [DATA_NEEDED: Input voltage thresholds]
Output Drive Capability — [DATA_NEEDED: Output drive current and output voltage characteristics]
Standby Current — [DATA_NEEDED: Standby current]
Operating Current — [DATA_NEEDED: Typical and maximum operating current]

Datasheets & Resources

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