ZHCSWZ8N December 1995 – August 2024 SN54AHCT540 , SN74AHCT540
PRODUCTION DATA
- 1
- 1 特性
- 2 说明
- 3 Pin Configuration and Functions
- 4 Specifications
- 5 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)
- 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
3 Pin Configuration and Functions
Figure 3-1 SN54AHCT540: J
Package, 20-Pin CDIP; SN74AHCT540: DB,
DGV, DW, N, NS, or PW Package; 20-Pin SSOP, TVSOP, SOIC, PDIP,
PDIP, or TSSOP(Top View)Table 3-1 Pin Functions
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NO. | NAME | ||
| 1 | OE1 | I | Output Enable 1 |
| 2 | A1 | I | A1 Input |
| 3 | A2 | I | A2 Input |
| 4 | A3 | I | A3 Input |
| 5 | A4 | I | A4 Input |
| 6 | A5 | I | A5 Input |
| 7 | A6 | I | A6 Input |
| 8 | A7 | I | A7 Input |
| 9 | A8 | I | A8 Input |
| 10 | GND | — | Ground |
| 11 | Y8 | O | Y8 Output |
| 12 | Y7 | O | Y7 Output |
| 13 | Y6 | O | Y6 Output |
| 14 | Y5 | O | Y5 Output |
| 15 | Y4 | O | Y4 Output |
| 16 | Y3 | O | Y3 Output |
| 17 | Y2 | O | Y2 Output |
| 18 | Y1 | O | Y1 Output |
| 19 | OE2 | I | Output Enable 2 |
| 20 | VCC | — | Power Pin |