TCA9538PWR vs PCA9535PWR Comparison

Detailed side-by-side comparison of TCA9538PWR by Texas Instruments and PCA9535PWR 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 PCA9535PWR
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 —
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 [DATA_NEEDED: operating temperature range]
Package 16-pin TSSOP 24-TSSOP
Mounting Type Surface mount Surface mount
RoHS Status Compliant [DATA_NEEDED: RoHS compliance]
Lead-Free Status [DATA_NEEDED: lead-free status] —
REACH Status [DATA_NEEDED: REACH status] [DATA_NEEDED: REACH compliance]
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] [DATA_NEEDED: AEC-Q100 qualification]
Quiescent Current [DATA_NEEDED: quiescent current] —
I/O Output Current [DATA_NEEDED: per-pin output current] —
Device Type — 16-bit I2C/SMBus GPIO expander with interrupt output
Number of I/O Ports — 16 ports
Interface Type — I2C and SMBus
I2C Maximum Clock Frequency — 400 kHz
Operating Supply Voltage Range — 2.3 V to 5.5 V
Package Width — 4.40 mm
Package Length — 0.173 in
Standby Current — 1 uA maximum
Internal I/O Pull-Up Resistors — Not fitted
PCF8575 Compatibility — Pin-to-pin and I2C-address compatible with software changes required
Related Device Relationship — Functionally equivalent to PCA9555 except internal I/O pull-up resistors are removed
Device Class — CMOS I/O port expander
Operating Status — Production

Datasheets & Resources

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