ZHCSQH0F December 1982 – April 2022 SN54HC273 , SN74HC273
PRODUCTION DATA
請參考 PDF 數據表獲取器件具體的封裝圖。
| MIN | MAX | UNIT | ||||
|---|---|---|---|---|---|---|
| fclock | Clock frequency | VCC = 2 V | 4 | MHz | ||
| VCC = 4.5 V | 18 | |||||
| VCC = 6 V | 21 | |||||
| tw | Pulse duration | CLR low | VCC = 2 V | 120 | ns | |
| VCC = 4.5 V | 24 | |||||
| VCC = 6 V | 20 | |||||
| CLK high or low | VCC = 2 V | 120 | ||||
| VCC = 4.5 V | 24 | |||||
| VCC = 6 V | 20 | |||||
| tsu | Setup time before CLK↑ | Data | VCC = 2 V | 150 | ns | |
| VCC = 4.5 V | 30 | |||||
| VCC = 6 V | 25 | |||||
| CLR inactive | VCC = 2 V | 150 | ||||
| VCC = 4.5 V | 30 | |||||
| VCC = 6 V | 25 | |||||
| th | Hold time, data after CLK↑ | VCC = 2 V | 0 | ns | ||
| VCC = 4.5 V | 0 | |||||
| VCC = 6 V | 0 | |||||