74HCU Family, DiodesZetexHigh-speed CMOS (unbuffered) logicSupply voltage Vcc range: 2.0 to 6.0VSinks or Sources 4mA at Vcc = 4.5VESD Protection Exceeds JESD 22 - 200V Machine Model (A115-A)- 2000V Human Body Model (A114-A) - Exceeds 1000V74HCU Family