PCA9554DBR vs PCA9538DBR Comparison
Detailed side-by-side comparison of PCA9554DBR by Texas Instruments and PCA9538DBR 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 | PCA9554DBR | PCA9538DBR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Obsolete |
| 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 | — |
| Interface | I2C/SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Configuration Registers | Present | Configuration, port, and polarity control |
| Interrupt Output | Present | 1 interrupt output |
| Weak Pull-Ups | Present | — |
| Package | 16-pin SSOP | 16-pin SSOP |
| Mounting Type | Surface mount | Surface mount |
| 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] | — |
| Number of I/O Ports | — | 8 ports |
| Operating Supply Voltage Range | — | 2.3 V to 5.5 V |
| Interface Type | — | I2C and SMBus |
| Maximum I2C Bus Frequency | — | 400 kHz |
| Reset Input | — | 1 reset input |
| Standby Current | — | 1 uA |
| Package Family | — | SSOP family, surface-mount SMD |
| Pin Count | — | 16 pins |
| I/O Configuration | — | Individually configurable as input or output |
| Input Polarity Control | — | Configurable input polarity inversion |
| Address Configuration | — | Hardware-configurable bus address |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |
| Lead-Free Status | — | [DATA_NEEDED: lead-free status] |
| Halogen-Free Status | — | [DATA_NEEDED: halogen-free status] |