ZHCSHK0O October 1995 – July 2024 SN54AHCT240 , SN74AHCT240
PRODUCTION DATA
- 1
- 1 特性
- 2 应用
- 3 说明
- 4 Pin Configuration and Functions
- 5 Specifications
- Parameter Measurement Information
- 6 Detailed Description
- 7 Application and Implementation
- 8 Device and Documentation Support
- 9 Revision History
- 10Mechanical, 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)
- 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
Figure 4-1 SN54AHCT240, J or W PackageSN74AHCT240, DB, DGV, DW, N, NS, or PW
Package (20) PinTop View
Figure 4-2 SN54AHCT240 FK Package (20) PinTop View| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| 1 OE | 1 | I | Output Enable 1 |
| 1A1 | 2 | I | 1A1 Input |
| 2Y4 | 3 | O | 2Y4 Output |
| 1A2 | 4 | I | 1A2 Input |
| 2Y3 | 5 | O | 2Y3 Output |
| 1A3 | 6 | I | 1A3 Input |
| 2Y2 | 7 | O | 2Y2 Output |
| 1A4 | 8 | I | 1A4 Input |
| 2Y1 | 9 | O | 2Y1 Output |
| GND | 10 | — | Ground Pin |
| 2A1 | 11 | I | 2A1 Input |
| 1Y4 | 12 | O | 1Y4 Output |
| 2A2 | 13 | I | 2A2 Input |
| 1Y3 | 14 | O | 1Y3 Output |
| 2A3 | 15 | I | 2A3 Input |
| 1Y2 | 16 | O | 1Y2 Output |
| 2A4 | 17 | I | 2A4 Input |
| 1Y1 | 18 | O | 1Y1 Output |
| 2 OE | 19 | I | Output Enable 2 |
| VCC | 20 | — | Power Pin |