PCA9534DBR vs PCA9554DBR Comparison

Detailed side-by-side comparison of PCA9534DBR by Texas Instruments and PCA9554DBR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Texas Instruments
PCA9534DBR PCA9534DBR - 8-Bit I2C GPIO Expander | Texas Instruments

PCA9534DBR - 8-Bit I2C GPIO Expander | Texas Instruments

PCA9534DBR ✓ Active
Texas Instruments
PCA9554DBR PCA9554DBR - 8-Bit I2C I/O Expander, 5.5V | TI (Tape & Reel)

PCA9554DBR - 8-Bit I2C I/O Expander, 5.5V | TI (Tape & Reel)

PCA9554DBR ✓ Active

Specification Comparison

Parameter PCA9534DBR PCA9554DBR
Brand Texas Instruments Texas Instruments
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Device Type 8-bit I2C/SMBus I/O expander —
Number of GPIO Ports 8 ports —
Supply Voltage Range 2.3 V to 5.5 V —
I2C Bus Frequency 400 kHz —
Bus Interface I2C/SMBus —
Technology CMOS —
Operating Temperature -40 °C to 85 °C [DATA_NEEDED: operating temperature range]
Package 16-pin SSOP, 7.50 mm body 16-pin SSOP
Mounting Type Surface mount Surface mount
Address Configuration Pins 3 pins: A0, A1, and A2 —
Maximum Devices per Bus 8 devices —
Interrupt Output Available Present
Configuration Registers Available Present
Internal I/O Pull-Up Resistors Not fitted —
PCF8574 Hardware Compatibility Pin-to-pin and I2C address compatible; software changes required —
RoHS Status [DATA_NEEDED: RoHS status] —
REACH Status [DATA_NEEDED: REACH status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification] —
Lead-Free Status [DATA_NEEDED: lead-free status] —
Halogen-Free Status [DATA_NEEDED: halogen-free status] —
Function — 8-bit I2C/SMBus I/O expander with interrupt
Number of I/O Lines — 8
Operating Voltage Range — 2.3 V to 5.5 V
Interface — I2C/SMBus
Maximum Bus Frequency — 400 kHz
Weak Pull-Ups — Present
Device Class — General-purpose remote I/O expander
Output Configuration — Individually configurable input/output ports
Bus Signals — SCL and SDA
Compliance Status — [DATA_NEEDED: RoHS status]
Supply Current — [DATA_NEEDED: typical and maximum supply current]
Output Drive Capability — [DATA_NEEDED: output current and output voltage characteristics]
Input Threshold — [DATA_NEEDED: input voltage thresholds]
Address — [DATA_NEEDED: I2C device address]
Pinout — [DATA_NEEDED: complete manufacturer pin names and electrical descriptions]

Datasheets & Resources

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