ZHCSOD3F December 1982 – June 2021 SN54HC74 , SN74HC74
PRODUCTION DATA
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
| VCC | Operating free-air temperature (TA) | UNIT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 25°C | –40°C to 85°C | |||||||||
| MIN | TYP | MAX | MIN | TYP | MAX | |||||
| fclock | Clock frequency | 2 V | 6 | 5 | MHz | |||||
| 4.5 V | 31 | 25 | ||||||||
| 6 V | 0 | 36 | 0 | 29 | ||||||
| tw | Pulse duration | PRE or CLR low | 2 V | 100 | 125 | ns | ||||
| 4.5 V | 20 | 25 | ||||||||
| 6 V | 14 | 21 | ||||||||
| CLK high or low | 2 V | 80 | 100 | |||||||
| 4.5 V | 16 | 20 | ||||||||
| 6 V | 14 | 17 | ||||||||
| tsu | Setup time before CLK↑ | Data | 2 V | 100 | 125 | ns | ||||
| 4.5 V | 20 | 25 | ||||||||
| 6 V | 17 | 21 | ||||||||
| PRE or CLR inactive | 2 V | 25 | 30 | |||||||
| 4.5 V | 5 | 6 | ||||||||
| 6 V | 4 | 5 | ||||||||
| th | Hold time, data after CLK↑ | 2 V | 0 | 0 | ns | |||||
| 4.5 V | 0 | 0 | ||||||||
| 6 V | 0 | 0 | ||||||||