ZHCSQ28E December 1982 – February 2022 SN54HC174 , SN74HC174
PRODUCTION DATA
請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
| VCC (V) | TA = 25°C | SN54HC174 | SN74HC174 | UNIT | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MIN | MAX | MIN | MAX | MIN | MAX | |||||
| fclock | Clock frequency | 2 | 6 | 4.2 | 5 | MHz | ||||
| 4.5 | 31 | 21 | 25 | |||||||
| 6 | 36 | 25 | 29 | |||||||
| tw | Pulse duration | CLR low | 2 | 80 | 120 | 100 | ns | |||
| 4.5 | 16 | 24 | 20 | |||||||
| 6 | 14 | 20 | 17 | |||||||
| CLK high or low | 2 | 80 | 120 | 100 | ||||||
| 4.5 | 16 | 24 | 20 | |||||||
| 6 | 14 | 20 | 17 | |||||||
| tsu | Setup time before CLK-↑ | Data | 2 | 100 | 150 | 125 | ns | |||
| 4.5 | 20 | 30 | 25 | |||||||
| 6 | 17 | 25 | 21 | |||||||
| CLR inactive | 2 | 100 | 150 | 125 | ||||||
| 4.5 | 20 | 30 | 25 | |||||||
| 6 | 17 | 25 | 21 | |||||||
| th | Hold time, data after CLK-↑ | 2 | 0 | 0 | 0 | ns | ||||
| 4.5 | 0 | 0 | 0 | |||||||
| 6 | 0 | 0 | 0 | |||||||