ZHCSS47O October 1995 – July 2024 SN54AHCT244 , SN74AHCT244
PRODMIX
- 1
- 1 特性
- 2 应用
- 3 说明
- 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
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
- DGV|20
- DB|20
- NS|20
- N|20
- DW|20
- PW|20
散热焊盘机械数据 (封装 | 引脚)
订购信息
4 Pin Configuration and Functions
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Figure 4-1 SN54AHCT244 J or W Package; SN74AHCT244 DB, DGV, DW, N, NS,
or PW Package (Top View)
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Figure 4-2 SN54AHCT244 FK Package (Top View)
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Table 4-1 Pin Functions
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | 1 OE | I | Output Enable 1 |
| 2 | 1A1 | I | Input 1A1 |
| 3 | 2Y4 | O | Output 2Y4 |
| 4 | 1A2 | I | Input 1A2 |
| 5 | 2Y3 | O | Output 2Y3 |
| 6 | 1A3 | I | Input 1A3 |
| 7 | 2Y2 | O | Output 2Y2 |
| 8 | 1A4 | I | Input 1A4 |
| 9 | 2Y1 | O | Output 2Y1 |
| 10 | GND | – | Ground Pin |
| 11 | 2A1 | I | Input 2A1 |
| 12 | 1Y4 | O | Output 1Y4 |
| 13 | 2A2 | I | Input 2A2 |
| 14 | 1Y3 | O | Output 1Y3 |
| 15 | 2A3 | I | Input 2A3 |
| 16 | 1Y2 | O | Output 1Y2 |
| 17 | 2A4 | I | Input 2A4 |
| 18 | 1Y1 | O | Output 1Y1 |
| 19 | 2 OE | I | Output Enable 2 |
| 20 | VCC | – | Power Pin |