| Part Number | Status | tpd max(ns) | fSCLK(Max)(MHz) | VCC(Min)(V) | VCC(Max)(V) | Max Frequency(kHz) | I2C Address | Channel Width | Simultaneously Active Channels | Special Features | Operating Temperature Range(C) | Package Group | Approx. Price (US$) |
| TCA9544A | ACTIVE | 1 | 0.4 | 1.65 | 5.5 | 400 | 1110 xxx | 4 | 1 to 4 | Interrupt Output, 5V Tolerant I/O | -40 to 85 | TSSOP | 0.60 | 1ku |
| TCA9546A | ACTIVE | 1 | 0.4 | 1.65 | 5.5 | 400 | 1110 xxx | 4 | 1 to 4 | Reset Input, 5V Tolerant I/O | -40 to 85 | SOIC, TSSOP | 0.60 | 1ku |
| TCA9543A | ACTIVE | 1 | 0.4 | 1.65 | 5.5 | 400 | 1110 0xx | 2 | 1 to 2 | Interrupt Output, Reset Input, 5V Tolerant I/O | -40 to 85 | SOIC, TSSOP | 0.55 | 1ku |
| TCA9545A | ACTIVE | 1 | 0.4 | 1.65 | 5.5 | 400 | 1110 0xx | 4 | 1 to 4 | Interrupt Output, Reset Input, 5V Tolerant I/O | -40 to 85 | TSSOP | 1.34 | 100u |
| TCA9548A | ACTIVE | 1 | 0.4 | 1.65 | 5.5 | 400 | 1110 xxx | 8 | 1 to 8 | Reset Input, 5V Tolerant I/O | -40 to 85 | TSSOP, VQFN | 0.93 | 1ku |
| PCA9543A | ACTIVE | 1 | 0.4 | 2.3 | 5.5 | 400 | 1110 0xx | 2 | 1 to 2 | Interrupt Output, Reset Input, 5V Tolerant I/O | -40 to 85 | SOIC, TSSOP | 0.60 | 1ku |
| PCA9548A | ACTIVE | 1 | 0.4 | 2.3 | 5.5 | 400 | 1110 xxx | 8 | 1 to 8 | Reset Input, 5V Tolerant I/O | -40 to 85 | SOIC, SSOP, TVSOP | 0.93 | 1ku |
| PCA9546A | ACTIVE | 1 | 0.4 | 2.3 | 5.5 | 400 | 1110 xxx | 4 | 1 to 4 | Reset Input, 5V Tolerant I/O | -40 to 85 | SOIC, TSSOP, TVSOP, VQFN | 0.73 | 1ku |
| PCA9544A | ACTIVE | 1 | 0.4 | 2.3 | 5.5 | 400 | 1110 xxx | 4 | 1 | Interrupt Output, 5V Tolerant I/O | -40 to 85 | SOIC, TSSOP, BGA MICROSTAR JUNIOR, TVSOP, VQFN | 0.63 | 1ku |
| PCA9545A | ACTIVE | 1 | 0.4 | 2.3 | 5.5 | 400 | 1110 0xx | 4 | 1 to 4 | Interrupt Output, Reset Input, 5V Tolerant I/O | -40 to 85 | BGA MICROSTAR JUNIOR, SOIC, TSSOP, VQFN | 0.75 | 1ku |
