TCA9535PWR vs TCA9555PWR Comparison
Detailed side-by-side comparison of TCA9535PWR by Texas Instruments and TCA9555PWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | TCA9535PWR | TCA9555PWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | 16-bit I2C/SMBus I/O expander | — |
| Number of I/O Pins | 16 pins | — |
| Number of Ports | 2 ports of 8 bits | — |
| Operating Supply Voltage | 1.65 V to 5.5 V | — |
| Serial Bus | I2C and SMBus | — |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Interface Pins | 2-wire bidirectional bus | — |
| Interrupt Output | 1 interrupt output | Yes, active-low open-drain INT |
| Configuration Registers | 2 configuration registers | Yes (direction, polarity, mask) |
| Polarity Inversion Registers | 2 polarity-inversion registers | — |
| Input Configuration | High-impedance input mode | — |
| Output Configuration | Independently configurable per port bit | — |
| Package | 24-pin TSSOP (PW) | 24-pin TSSOP (PW) |
| Mounting Type | Surface mount | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| Output Current per Pin | [DATA_NEEDED: output current per pin] | — |
| I2C Slave Address | [DATA_NEEDED: I2C slave address] | — |
| RoHS Compliance | [DATA_NEEDED: RoHS compliance status] | — |
| Function | — | 16-bit I2C/SMBus I/O expander |
| Number of I/O | — | 16 |
| Interface | — | I2C, SMBus |
| Maximum Clock Frequency | — | 400 kHz (TI) / 1 MHz (UMW second-source) |
| I2C Address Pins | — | 3 (A0, A1, A2) - up to 8 devices per bus |
| Weak Pull-up Resistors | — | Programmable per port |
| Supply Voltage (VCC) | — | 1.65 V to 5.5 V |
| Output Current per Bit | — | -25 mA to +25 mA (sink/source) |
| I/O Voltage Tolerance | — | 5 V tolerant |
| Operating Temperature | — | -40 C to +85 C |
| MSL Level | — | 1 (260 C, unlimited floor life per JEDEC J-STD-020) |
| RoHS Status | — | Compliant |
| REACH | — | Compliant |