SN74LS74A: SN74LS74ADR HBM Rating

Model

Rating

HBM

Class 0A

JEDEC / AEC

MM

Class M1A

AEC

CDM (JEDEC)

C3

ANSI/ESDA/JEDEC

HBM Rating

Conditions

Class 0A

Failure < 125 V

Class 0B

125V <= Failure < 250V

Class 1A

250V <= Failure < 500V

Class 1B

500V <= Failure < 1000V

Class 1C

1000V <= Failure < 2000V

Class 2

2000V <= Failure < 4000V

Class 3A

4000V <= Failure < 8000V

Class 3B

Failure => 8000 V