PCA9554ABS3,118 vs PCA9554DBR Comparison
Detailed side-by-side comparison of PCA9554ABS3,118 by NXP Semiconductors and PCA9554DBR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9554ABS3,118 - 8-bit I2C/SMBus GPIO Expander w/ Interrupt | NXP
PCA9554ABS3,118 ✓ Active
Specification Comparison
| Parameter | PCA9554ABS3,118 | PCA9554DBR |
|---|---|---|
| Brand | NXP Semiconductors | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Interface Bus | I2C, SMBus | — |
| Number of I/O | 8 | — |
| Clock Frequency (Max) | 400 kHz | — |
| Supply Voltage | 2.3 V to 5.5 V | — |
| I/O Voltage Tolerance | 5.5 V | — |
| I2C Address Selection | 3 hardware address pins (up to 8 devices) | — |
| Interrupt Output | /INT, open-drain | Present |
| Default I2C Address (PCA9554A) | 0x38 (3-bit addr 000 = 0x38) | — |
| I/O Direction Configurability | Per-bit input or output | — |
| Internal Pull-ups | Configurable weak pull-ups per pin | — |
| Power-On Reset | Yes (all ports initialized as inputs) | — |
| Operating Temperature | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Package | 16-HVQFN (3x3 mm) with exposed pad | 16-pin SSOP |
| Mounting Type | Surface Mount | Surface mount |
| RoHS Status | Compliant | — |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| 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 |
| 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] |
| 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] |