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Integrated Circuit（IC） AND gate HD74LV21AT TSSOP14 marking LV21A
| 逻辑类型 Logic Type | 与门 AND Gate |
| 电路数 Number of Circuits | 2 |
| 输入数 Number of Inputs | 4 |
| 电源电压Vcc Voltage - Supply | 2V~5.5V |
| 静态电流Iq Current - Quiescent (Max) | 20uA |
| 输出高，低电平电流 Current - Output High, Low | -12mA，12mA |
| 低逻辑电平 Logic Level - Low | 0.5V |
| 高逻辑电平 Logic Level - High | 1.5V |
| 传播延迟时间@Vcc，CL Max Propagation Delay @ V, Max CL | 4.8ns @ 5V，50pF |
| Description & Applications | Dual 4-input Positive AND Gates；Features VCC = 2.0 V to 5.5 V operation All inputs VIH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) All outputs VO (Max.) = 5.5 V (@VCC = 0 V) Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25°C) Output current ±6 mA (@VCC = 3.0 V to 3.6 V), ±12 mA (@VCC = 4.5 V to 5.5 V) |
| 描述与应用 | 双路4输入正与门;特性 VCC=2.0 V至5.5 V运行 所有输入VIH（最大）=5.5 V（VCC= 0 V至5.5 V） 所有输出VO（最大）=5.5 V（VCC=0 V） 典型的VOL接地反弹<0.8 V（@ VCC=3.3 V，Ta=25°C） 典型的VOH冲>2.3 V（VCC= 3.3 V，Ta= 25°C） 输出电流±6毫安（VCC= 3.0 V到3.6 V），±12毫安（VCC= 4.5 V至5.5 V） |
