TCA9538PWR vs PCA9534PWR Comparison

Detailed side-by-side comparison of TCA9538PWR by Texas Instruments and PCA9534PWR 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
TCA9538PWR TCA9538PWR - 8-Bit 1.65-5.5V I/O Expander | Texas Instruments

TCA9538PWR - 8-Bit 1.65-5.5V I/O Expander | Texas Instruments

TCA9538PWR ✓ Active

Specification Comparison

Parameter TCA9538PWR PCA9534PWR
Brand Texas Instruments NXP Semiconductors
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Product Type 8-bit I2C/SMBus I/O expander —
Number of I/O Lines 8 lines —
Supply Voltage Range 1.65 V to 5.5 V 2.3 V to 5.5 V
Maximum I2C Clock Frequency 400 kHz —
Supported I2C Modes 100 kHz Standard-mode and 400 kHz Fast-mode —
Interface Protocol I2C and SMBus —
Interrupt Output Yes Yes
Reset Register Yes —
Configuration Registers Yes Yes
Hardware Address Inputs 2 address inputs —
Maximum Devices per I2C Bus 4 devices —
Operating Temperature Range -40 °C to 125 °C —
Package 16-pin TSSOP 16-pin TSSOP
Mounting Type Surface mount Surface Mount
RoHS Status Compliant [DATA_NEEDED: RoHS status]
Lead-Free Status [DATA_NEEDED: lead-free status] —
REACH Status [DATA_NEEDED: REACH status] [DATA_NEEDED: REACH status]
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] —
Quiescent Current [DATA_NEEDED: quiescent current] —
I/O Output Current [DATA_NEEDED: per-pin output current] —
Device Type — 8-bit CMOS I2C-bus and SMBus low-power I/O port expander
Number of GPIO Pins — 8
I2C Bus Frequency — 400 kHz
Interface — I2C-bus and SMBus
Address Configuration Pins — A0, A1, and A2
Maximum Devices Sharing Bus — 8 devices per manufacturer data
Internal I/O Pull-up Resistors — Removed
Pin Count — 16 pins
PCF8574 Compatibility — Pin-to-pin and I2C address compatible; software changes required
Manufacturer — NXP Semiconductors
Lifecycle Status — Active
Operating Temperature — [DATA_NEEDED: operating temperature range]

Datasheets & Resources

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