ZHCSA11H May 2012 – September 2024 TCA9548A
PRODUCTION DATA
- 1
- 1 特性
- 2 應用
- 3 說明
- 4 Pin Configuration and Functions
- 5 Specifications
- 6 Parameter Measurement Information
- 7 Detailed Description
- 8 Application and Implementation
- 9 Device and Documentation Support
- 10Revision History
- 11Mechanical, Packaging, and Orderable Information
封裝選項
機械數據 (封裝 | 引腳)
散熱焊盤機械數據 (封裝 | 引腳)
- RGE|24
訂購信息
4 Pin Configuration and Functions
Figure 4-1 PW, DGS Package, 24-Pin TSSOP, VSSOP (Top
View)
Figure 4-2 RGE Package, 24-Pin VQFN (Top View)Table 4-1 Pin Functions
| PIN | TYPE | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | TSSOP, VSSOP (PW, DGS) | VQFN (RGE) | ||
| A0 | 1 | 22 | I | Address input 0. Connect directly to VCC or ground |
| A1 | 2 | 23 | I | Address input 1. Connect directly to VCC or ground |
| A2 | 21 | 18 | I | Address input 2. Connect directly to VCC or ground |
| GND | 12 | 9 | — | Ground |
| RESET | 3 | 24 | I | Active-low reset input. Connect to VCC or VDPUM (1) through a pull-up resistor, if not used |
| SD0 | 4 | 1 | I/O | Serial data 0. Connect to VDPU0 (1) through a pull-up resistor |
| SC0 | 5 | 2 | I/O | Serial clock 0. Connect to VDPU0 (1) through a pull-up resistor |
| SD1 | 6 | 3 | I/O | Serial data 1. Connect to VDPU1 (1) through a pull-up resistor |
| SC1 | 7 | 4 | I/O | Serial clock 1. Connect to VDPU1 (1) through a pull-up resistor |
| SD2 | 8 | 5 | I/O | Serial data 2. Connect to VDPU2 (1) through a pull-up resistor |
| SC2 | 9 | 6 | I/O | Serial clock 2. Connect to VDPU2 (1) through a pull-up resistor |
| SD3 | 10 | 7 | I/O | Serial data 3. Connect to VDPU3 (1) through a pull-up resistor |
| SC3 | 11 | 8 | I/O | Serial clock 3. Connect to VDPU3 (1) through a pull-up resistor |
| SD4 | 13 | 10 | I/O | Serial data 4. Connect to VDPU4 (1) through a pull-up resistor |
| SC4 | 14 | 11 | I/O | Serial clock 4. Connect to VDPU4 (1) through a pull-up resistor |
| SD5 | 15 | 12 | I/O | Serial data 5. Connect to VDPU5 (1) through a pull-up resistor |
| SC5 | 16 | 13 | I/O | Serial clock 5. Connect to VDPU5 (1) through a pull-up resistor |
| SD6 | 17 | 14 | I/O | Serial data 6. Connect to VDPU6 (1) through a pull-up resistor |
| SC6 | 18 | 15 | I/O | Serial clock 6. Connect to VDPU6 (1) through a pull-up resistor |
| SD7 | 19 | 16 | I/O | Serial data 7. Connect to VDPU7 (1) through a pull-up resistor |
| SC7 | 20 | 17 | I/O | Serial clock 7. Connect to VDPU7(1) through a pull-up resistor |
| SCL | 22 | 19 | I/O | Serial clock bus. Connect to VDPUM (1) through a pull-up resistor |
| SDA | 23 | 20 | I/O | Serial data bus. Connect to VDPUM (1) through a pull-up resistor |
| VCC | 24 | 21 | Power | Supply voltage |
(1) VDPUX is the pull-up reference voltage for the associated data line. VDPUM is the controller I2C reference voltage and VDPU0-VDPU7 are the target channel reference voltages.