ZHCSQ37F December 1982 – February 2022 SN54HC4020 , SN74HC4020
PRODUCTION DATA
請參考 PDF 數據表獲取器件具體的封裝圖。
| VCC (V) | TA = 25°C | SN54HC4020 | SN74HC4020 | UNIT | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MIN | MAX | MIN | MAX | MIN | MAX | |||||
| fCLK | Clock frequency | 2 | 5.5 | 3.7 | 4.3 | MHz | ||||
| 4.5 | 28 | 19 | 22 | |||||||
| 6 | 33 | 22 | 25 | |||||||
| tW | Pulse duration | CLK high or low | 2 | 90 | 135 | 115 | ns | |||
| 4.5 | 18 | 27 | 23 | |||||||
| 6 | 15 | 23 | 20 | |||||||
| CLR high | 2 | 70 | 105 | 90 | ||||||
| 4.5 | 14 | 21 | 18 | |||||||
| 6 | 12 | 18 | 25 | |||||||
| tsu | Setup time, CLR inactive before CLK↓ | 2 | 60 | 90 | 75 | ns | ||||
| 4.5 | 12 | 18 | 15 | |||||||
| 6 | 10 | 15 | 13 | |||||||