ZHCSQH0F December 1982 – April 2022 SN54HC273 , SN74HC273
PRODUCTION DATA
- 1 特性
- 2 應(yīng)用
- 3 說明
- 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
封裝選項
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
機械數(shù)據(jù) (封裝 | 引腳)
- DB|20
- NS|20
- N|20
- DW|20
- PW|20
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
訂購信息
3 說明
SNx4HC273 器件是具有直接低電平有效清零 (CLR) 輸入的正邊沿觸發(fā)式 D 類觸發(fā)器。
數(shù)據(jù) (D) 輸入上滿足設(shè)置時間要求的信息被發(fā)送到時鐘 (CLK) 脈沖正向邊沿上的 Q 輸出。時鐘觸發(fā)在一個特定電壓電平下發(fā)生，并且不與正向脈沖的轉(zhuǎn)換時間直接相關(guān)。當 CLK 處于高電平或低電平時，D 輸入對輸出無影響。
器件信息(1)
| 器件型號 | 封裝（引腳） | 封裝尺寸（標稱值） |
|---|---|---|
| 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裝，請參閱數(shù)據(jù)表末尾的可訂購產(chǎn)品附錄。
功能方框圖