NXP 74HCT30D 与非门, HCT系列, 1门, 8输入, 4 mA, 4.5V至5.5V, SOIC-14
The is a 8-input NAND Gate with TTL input switching levels. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
NXP 恩智浦