74HC21N

两个4输入与门 Dual 4-input AND gate

The is a dual 4-input AND Gate, inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. The device features low-power dissipation.

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Complies with JEDEC standard no. 7A

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ESD protection - HBM JESD22-A114F exceeds 2000V, MM JESD22-A115-A exceeds 200V