SCLS087F December 1982 – June 2021 SN54HC21 , SN74HC21
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
PARAMETER | TEST CONDITIONS | VCC | Operating free-air temperature (TA) | UNIT | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
25°C | –40°C to 85°C | –55°C to 125°C | ||||||||||||
MIN | TYP | MAX | MIN | TYP | MAX | MIN | TYP | MAX | ||||||
VOH | High-level output voltage | VI = VIH or VIL | IOH = –20 µA | 2 V | 1.9 | 1.998 | 1.9 | 1.9 | V | |||||
4.5 V | 4.4 | 4.499 | 4.4 | 4.4 | ||||||||||
6 V | 5.9 | 5.999 | 5.9 | 5.9 | ||||||||||
IOH = –4 mA | 4.5 V | 3.98 | 4.3 | 3.84 | 3.7 | |||||||||
IOH = –5.2 mA | 6 V | 5.48 | 5.8 | 5.34 | 5.2 | |||||||||
VOL | Low-level output voltage | VI = VIH or VIL | IOL = 20 µA | 2 V | 0.002 | 0.1 | 0.1 | 0.1 | V | |||||
4.5 V | 0.001 | 0.1 | 0.1 | 0.1 | ||||||||||
6 V | 0.001 | 0.1 | 0.1 | 0.1 | ||||||||||
IOL = 4 mA | 4.5 V | 0.17 | 0.26 | 0.33 | 0.4 | |||||||||
IOL = 5.2 mA | 6 V | 0.15 | 0.26 | 0.33 | 0.4 | |||||||||
II | Input leakage current | VI = VCC or 0 | 6 V | ±0.1 | ±1 | ±1 | µA | |||||||
ICC | Supply current | VI = VCC or 0 | IO = 0 | 6 V | 2 | 20 | 40 | µA | ||||||
Ci | Input capacitance | 2 V to 6 V | 3 | 10 | 10 | 10 | pF |