PCA9534DBR vs PCA9534DW Comparison
Detailed side-by-side comparison of PCA9534DBR by Texas Instruments and PCA9534DW 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 | PCA9534DBR | PCA9534DW |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 8-bit I2C/SMBus I/O expander | 8-bit I2C/SMBus I/O expander |
| Number of GPIO Ports | 8 ports | — |
| Supply Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| I2C Bus Frequency | 400 kHz | — |
| Bus Interface | I2C/SMBus | — |
| Technology | CMOS | CMOS |
| Operating Temperature | -40 °C to 85 °C | -40 C to +85 C |
| Package | 16-pin SSOP, 7.50 mm body | 16-SOIC |
| Mounting Type | Surface mount | Surface Mount |
| Address Configuration Pins | 3 pins: A0, A1, and A2 | — |
| Maximum Devices per Bus | 8 devices | — |
| Interrupt Output | Available | Yes |
| Configuration Registers | Available | Yes |
| Internal I/O Pull-Up Resistors | Not fitted | — |
| PCF8574 Hardware Compatibility | Pin-to-pin and I2C address compatible; software changes required | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification] | — |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Halogen-Free Status | [DATA_NEEDED: halogen-free status] | — |
| Number of I/O Ports | — | 8 |
| I2C/SMBus Maximum Frequency | — | 400 kHz |
| Interface | — | I2C/SMBus |
| Output Type | — | Push-pull |
| Power-On Reset | — | Yes |
| Number of Pins | — | 16 |
| Low-Power Operation | — | Low-power I/O expander |
| I/O Configuration | — | Input, output, or high-impedance modes |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |