ZHCSJK4G June 2009 – March 2021 PCA9548A
PRODUCTION DATA
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| DB, DW, DGV , PW | |||
| A0 | 1 | I | Address input 0. Connect directly to VCC or ground |
| A1 | 2 | I | Address input 1. Connect directly to VCC or ground |
| RESET | 3 | I | Active-low reset input. Connect to VCC through a pull-up resistor, if not used |
| SD0 | 4 | I/O | Serial data 0. Connect to VCC through a pull-up resistor |
| SC0 | 5 | I/O | Serial clock 0. Connect to VCC through a pull-up resistor |
| SD1 | 6 | I/O | Serial data 1. Connect to VCC through a pull-up resistor |
| SC1 | 7 | I/O | Serial clock 1. Connect to VCC through a pull-up resistor |
| SD2 | 8 | I/O | Serial data 2. Connect to VCC through a pull-up resistor |
| SC2 | 9 | I/O | Serial clock 2. Connect to VCC through a pull-up resistor |
| SD3 | 10 | I/O | Serial data 3. Connect to VCC through a pull-up resistor |
| SC3 | 11 | I/O | Serial clock 3. Connect to VCC through a pull-up resistor |
| GND | 12 | — | Ground |
| SD4 | 13 | I/O | Serial data 4. Connect to VCC through a pull-up resistor |
| SC4 | 14 | I/O | Serial clock 4. Connect to VCC through a pull-up resistor |
| SD5 | 15 | I/O | Serial data 5. Connect to VCC through a pull-up resistor |
| SC5 | 16 | I/O | Serial clock 5. Connect to VCC through a pull-up resistor |
| SD6 | 17 | I/O | Serial data 6. Connect to VCC through a pull-up resistor |
| SC6 | 18 | I/O | Serial clock 6. Connect to VCC through a pull-up resistor |
| SD7 | 19 | I/O | Serial data 7. Connect to VCC through a pull-up resistor |
| SC7 | 20 | I/O | Serial clock 7. Connect to VCC through a pull-up resistor |
| A2 | 21 | I | Address input 2. Connect directly to VCC or ground |
| SCL | 22 | I/O | Serial clock bus. Connect to VCC through a pull-up resistor |
| SDA | 23 | I/O | Serial data bus. Connect to VCC through a pull-up resistor |
| VCC | 24 | — | Supply voltage |
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| SD0 | 1 | I/O | Serial data 0. Connect to VCC through a pull-up resistor |
| SC0 | 2 | I/O | Serial clock 0. Connect to VCC through a pull-up resistor |
| SD1 | 3 | I/O | Serial data 1. Connect to VCC through a pull-up resistor |
| SC1 | 4 | I/O | Serial clock 1. Connect to VCC through a pull-up resistor |
| SD2 | 5 | I/O | Serial data 2. Connect to VCC through a pull-up resistor |
| SC2 | 6 | I/O | Serial clock 2. Connect to VCC through a pull-up resistor |
| SD3 | 7 | I/O | Serial data 3. Connect to VCC through a pull-up resistor |
| SC3 | 8 | I/O | Serial clock 3. Connect to VCC through a pull-up resistor |
| GND | 9 | — | Ground |
| SD4 | 10 | I/O | Serial data 4. Connect to VCC through a pull-up resistor |
| SC4 | 11 | I/O | Serial clock 4. Connect to VCC through a pull-up resistor |
| SD5 | 12 | I/O | Serial data 5. Connect to VCC through a pull-up resistor |
| SC5 | 13 | I/O | Serial clock 5. Connect to VCC through a pull-up resistor |
| SD6 | 14 | I/O | Serial data 6. Connect to VCC through a pull-up resistor |
| SC6 | 15 | I/O | Serial clock 6. Connect to VCC through a pull-up resistor |
| SD7 | 16 | I/O | Serial data 7. Connect to VCC through a pull-up resistor |
| SC7 | 17 | I/O | Serial clock 7. Connect to VCC through a pull-up resistor |
| A2 | 18 | I | Address input 2. Connect directly to VCC or ground |
| SCL | 19 | I/O | Serial clock bus. Connect to VCC through a pull-up resistor |
| SDA | 20 | I/O | Serial data bus. Connect to VCC through a pull-up resistor |
| VCC | 21 | — | Supply voltage |
| A0 | 22 | I | Address input 0. Connect directly to VCC or ground |
| A1 | 23 | I | Address input 1. Connect directly to VCC or ground |
| RESET | 24 | I | Active-low reset input. Connect to VCC through a pull-up resistor, if not used |