PCA9554DBR vs PCA9534DBR Comparison

Detailed side-by-side comparison of PCA9554DBR by Texas Instruments and PCA9534DBR 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
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
Texas Instruments
PCA9534DBR PCA9534DBR - 8-Bit I2C GPIO Expander | Texas Instruments

PCA9534DBR - 8-Bit I2C GPIO Expander | Texas Instruments

PCA9534DBR ✓ Active

Specification Comparison

Parameter PCA9554DBR PCA9534DBR
Brand Texas Instruments Texas Instruments
Category Interface ICs Interface ICs
Lifecycle Status Active Active
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 —
Configuration Registers Present Available
Interrupt Output Present Available
Weak Pull-Ups Present —
Package 16-pin SSOP 16-pin SSOP, 7.50 mm body
Mounting Type Surface mount Surface mount
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] —
Operating Temperature [DATA_NEEDED: operating temperature range] -40 °C to 85 °C
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] —
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
Address Configuration Pins — 3 pins: A0, A1, and A2
Maximum Devices per Bus — 8 devices
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]

Datasheets & Resources

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