ZHCSPQ4E January 1998 – October 2022 CD54HC540 , CD54HC541 , CD54HCT541 , CD74HC540 , CD74HC541 , CD74HCT540 , CD74HCT541
PRODUCTION DATA
- 1 特性
- 2 说明
- 3 Revision History
- 4 Pin Configuration and Functions
- 5 Specifications
- 6 Parameter Measurement Information
- 7 Detailed Description
- 8 Power Supply Recommendations
- 9 Layout
- 10Device and Documentation Support
- 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)
- N|20
- DW|20
散热焊盘机械数据 (封装 | 引脚)
订购信息
2 说明
’HC540 和 CD74HCT540 是具有三态输出的反相八路缓冲器和线路驱动器，能够驱动 15 个 LSTTL 负载。’HC541 和 ’HCT541 是具有三态输出的同相八路缓冲器和线路驱动器，能够驱动 15 个 LSTTL 负载。输出使能 (OE1) 和 (OE2) 控制三态输出。如果 OE1 或 OE2 为高电平，则输出处于高阻抗状态。对于数据输出，OE1 和 OE2 都必须为低电平。
封装信息
| 器件型号 | 封装(1) | 封装尺寸（标称值） |
|---|---|---|
| CD74HC540M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HC540E | PDIP (20) | 25.40mm × 6.35mm |
| CD54HC540F3A | CDIP (20) | 26.92mm × 6.92mm |
| CD74HC541M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HC541E | PDIP (20) | 25.40mm × 6.35mm |
| CD54HC541F | CDIP (20) | 26.92mm × 6.92mm |
| CD74HCT540M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HCT540E | PDIP (20) | 25.40mm × 6.35mm |
| CD74HCT541M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HCT541E | PDIP (20) | 25.40mm × 6.35mm |
| CD54HCT541F | CDIP (20) | 26.92mm × 6.92mm |
| CD74HCT541PW | TSSOP (20) | 6.50mm × 4.40mm |
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购产品附录。
功能图