ZHCSS62H June 1995 – March 2024 SN54AC244 , SN74AC244
PRODMIX
- 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
請參考 PDF 數據表獲取器件具體的封裝圖。
機械數據 (封裝 | 引腳)
- W|20
- J|20
- FK|20
散熱焊盤機械數據 (封裝 | 引腳)
訂購信息
4 Pin Configuration and Functions
Figure 4-1 SN54AC244 J or W Package; SN74AC244
DB, DGS, DW, N, NS, or PW Package(Top View)
Figure 4-3 SN54AC244 FK Package (Top
View)
Figure 4-2 SN74AC244 RKS Package (Top
View)Table 4-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| 1A1 | 2 | I | Input |
| 1A2 | 4 | I | Input |
| 1A3 | 6 | I | Input |
| 1A4 | 8 | I | Input |
| 1OE | 1 | I | Output enable |
| 1Y1 | 18 | O | Output |
| 1Y2 | 16 | O | Output |
| 1Y3 | 14 | O | Output |
| 1Y4 | 12 | O | Output |
| 2A1 | 11 | I | Input |
| 2A2 | 13 | I | Input |
| 2A3 | 15 | I | Input |
| 2A4 | 17 | I | Input |
| 2 OE | 19 | I | Output enable |
| 2Y1 | 9 | O | Output |
| 2Y2 | 7 | O | Output |
| 2Y3 | 5 | O | Output |
| 2Y4 | 3 | O | Output |
| GND | 10 | — | Ground |
| VCC | 20 | — | Power pin |
| Thermal Pad(2) | — | The thermal pad can be connected to GND or left floating. Do not connect to any other signal or supply. | |
(1) Signal Types: I = Input, O = Output, I/O = Input or
Output
(2) RKS package only