ZHCSQH0F December 1982 – April 2022 SN54HC273 , SN74HC273
PRODUCTION DATA
- 1 特性
- 2 应用
- 3 说明
- 4 Revision History
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings – SN74HC273
- 6.3 Recommended Operating Conditions
- 6.4 Thermal Information
- 6.5 Electrical Characteristics
- 6.6 Electrical Characteristics – SN54HC273
- 6.7 Electrical Characteristics – SN74HC273
- 6.8 Timing Requirements
- 6.9 Timing Requirements – SN54HC273
- 6.10 Timing Requirements – SN74HC273
- 6.11 Switching Characteristics
- 6.12 Switching Characteristics – SN54HC273
- 6.13 Switching Characteristics – SN74HC273
- 6.14 Operating Characteristics
- 6.15 Typical Characteristics
- 7 Parameter Measurement Information
- 8 Detailed Description
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, 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)
- W|20
- J|20
- FK|20
散热焊盘机械数据 (封装 | 引脚)
订购信息
3 说明
SNx4HC273 器件是具有直接低电平有效清零 (CLR) 输入的正边沿触发式 D 类触发器。
数据 (D) 输入上满足设置时间要求的信息被发送到时钟 (CLK) 脉冲正向边沿上的 Q 输出。时钟触发在一个特定电压电平下发生，并且不与正向脉冲的转换时间直接相关。当 CLK 处于高电平或低电平时，D 输入对输出无影响。
器件信息(1)
| 器件型号 | 封装（引脚） | 封装尺寸（标称值） |
|---|---|---|
| SN54HC273J | CDIP (20) | 24.20mm × 6.92mm |
| SN54HC273W | CFP (20) | 13.09 mm × 6.92 mm |
| SN54HC273FK | LCCC (20) | 8.89mm × 8.89mm |
| SN74HC273D | SOIC (20) | 12.80mm × 7.50mm |
| SN74HC273DB | SSOP (20) | 7.20mm × 5.30mm |
| SN74HC273NS | SO (20) | 12.60mm × 5.30mm |
| SN74HC273N | PDIP (20) | 24.33mm × 6.35mm |
| SN74HC273PW | 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米6体育平台手机版_好二三四附录。
功能方框图