ZHCSOM7H July 2001 – September 2024 PCF8574A
PRODUCTION DATA
- 1
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 Pin Configuration and Functions
- 5 Specifications
- 6 Parameter Measurement Information
- 7 Detailed Description
- 8 Application Information Disclaimer
- 9 Device and Documentation Support
- 10Revision History
- 11Mechanical, Packaging, and Orderable Information
封裝選項
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
機械數(shù)據(jù) (封裝 | 引腳)
- DGV|20
- DW|16
- N|16
- PW|20
- RGY|20
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
訂購信息
4 Pin Configuration and Functions
Figure 4-1 DW or N Package16 PinsTop
View
Figure 4-2 RGY Package20 PinsTop View
Figure 4-3 DGV or PW Package20 PinsTop ViewTable 4-1 Pin Functions
| PIN | TYPE | DESCRIPTION | |||
|---|---|---|---|---|---|
| NAME | RGY | DGV or PW | DW or N | ||
| A[0..2] | 6, 7, 9 | 6, 7, 9 | 1, 2, 3 | I | Address inputs 0 through 2. Connect directly to VCC or ground. Pullup resistors are not needed. |
| GND | 15 | 15 | 8 | — | Ground |
| INT | 1 | 1 | 13 | O | Interrupt output. Connect to VCC through a pullup resistor. |
| NC | 3, 8, 13, 18 | 3, 8, 13, 18 | - | — | Do not connect |
| P[0..7] | 10, 11, 12, 14, 16, 17, 19, 20 | 10, 11, 12, 14, 16, 17, 19, 20 | 4, 5, 6, 7, 9, 10, 11, 12 | I/O | P-port input/output. Push-pull design structure. |
| SCL | 2 | 2 | 14 | I | Serial clock line. Connect to VCC through a pullup resistor |
| SDA | 4 | 4 | 15 | I/O | Serial data line. Connect to VCC through a pullup resistor. |
| VCC | 5 | 5 | 16 | — | Voltage supply |