TCA9555DBR vs TCA9555PWR Comparison
Detailed side-by-side comparison of TCA9555DBR 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 | TCA9555DBR | TCA9555PWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| I/O Port Count | 16 bits | — |
| Supply Voltage Range | 1.65 V to 5.5 V | — |
| Minimum Operating Supply | 1.65 V | — |
| Maximum Operating Supply | 5.5 V | — |
| Supported Serial Buses | I2C and SMBus | — |
| Maximum I2C Bus Speed | 400 kHz | — |
| Interrupt Output | 1 output | Yes, active-low open-drain INT |
| Weak Pull-Up Support | Yes | — |
| Configuration Registers | Yes | Yes (direction, polarity, mask) |
| Operating Temperature Range | -40°C to +85°C | — |
| Package | 24-pin SSOP (DB) | 24-pin TSSOP (PW) |
| Pin Count | 24 pins | — |
| Device Type | I/O expander | — |
| Port Configuration | 16 configurable I/O bits | — |
| Address Selection | 3 hardware address inputs | — |
| Device Function | 16-bit bidirectional I/O expansion | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH 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 |
| Mounting Type | — | Surface Mount |
| MSL Level | — | 1 (260 C, unlimited floor life per JEDEC J-STD-020) |
| REACH | — | Compliant |