TCA9554PWR vs PCA9554DB Comparison
Detailed side-by-side comparison of TCA9554PWR by Texas Instruments and PCA9554DB 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 | TCA9554PWR | PCA9554DB |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 8-bit I/O expander | — |
| I/O Port Count | 8 ports | — |
| Supply Voltage Range | 1.65 V to 5.5 V | — |
| Interface | I2C / SMBus | I2C/SMBus |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Interrupt Output | Yes | Present |
| Configuration Registers | Yes | Present |
| Weak Pull-Up Configuration | Yes | — |
| Address Inputs | A0, A1, A2 | — |
| Maximum Devices Per Bus | 8 devices | — |
| Package | 16-TSSOP | 16-pin SSOP |
| Pin Count | 16 pins | — |
| Mounting Type | Surface mount | Surface mount |
| Reset Behavior | Power-on reset to default state | — |
| Input Port Function | 8-bit general-purpose input | — |
| Output Port Function | 8-bit general-purpose output | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Output Current per Port | [DATA_NEEDED: output current per port] | — |
| Standby Current | [DATA_NEEDED: standby current] | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| 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 |
| Maximum Bus Frequency | — | 400 kHz |
| Weak Pull-Ups | — | Present |
| 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] |
| 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] |