TCA9538PWR vs PCA9538DWR Comparison
Detailed side-by-side comparison of TCA9538PWR by Texas Instruments and PCA9538DWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
PCA9538DWR - 8-Bit I2C I/O Expander | Texas Instruments (Tape & Reel)
PCA9538DWR ✓ ActiveSpecification Comparison
| Parameter | TCA9538PWR | PCA9538DWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit I2C/SMBus I/O expander | — |
| Number of I/O Lines | 8 lines | — |
| Supply Voltage Range | 1.65 V to 5.5 V | 2.3 V to 5.5 V |
| Maximum I2C Clock Frequency | 400 kHz | — |
| Supported I2C Modes | 100 kHz Standard-mode and 400 kHz Fast-mode | — |
| Interface Protocol | I2C and SMBus | — |
| Interrupt Output | Yes | 1 active-low open-drain output |
| Reset Register | Yes | — |
| Configuration Registers | Yes | 8-port input/output configuration |
| Hardware Address Inputs | 2 address inputs | — |
| Maximum Devices per I2C Bus | 4 devices | — |
| Operating Temperature Range | -40 °C to 125 °C | -40 °C to +85 °C |
| Package | 16-pin TSSOP | — |
| Mounting Type | Surface mount | Surface mount |
| RoHS Status | Compliant | unknown |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| I/O Output Current | [DATA_NEEDED: per-pin output current] | — |
| Number of I/O Ports | — | 8 ports |
| I/O Port Resolution | — | 8 bits |
| Interface Type | — | I2C and SMBus |
| Maximum I2C Bus Frequency | — | 400 kHz |
| Reset Function | — | 1 reset input |
| Package Type | — | 16-pin SOIC (DW) |
| Package Body Width | — | 300 mil |
| Device Technology | — | CMOS |
| Logic Low-Level Input Voltage | — | [DATA_NEEDED: VIL maximum at each supported supply voltage] |
| Logic High-Level Input Voltage | — | [DATA_NEEDED: VIH minimum at each supported supply voltage] |
| Standby Supply Current | — | [DATA_NEEDED: standby current] |
| Operating Supply Current | — | [DATA_NEEDED: operating current] |