Features

▪ Qualified to Renesas Rad Tolerant Screening and

QCI Flow (R34TB0004EU)

▪ PVIN supply range 3V to 18V

• Independent clock output supply 3V to 5.5V

▪ Programmable output frequency starting at 25kHz

• Internal or external clock source

▪ Programmable phase delay as low as 15°

increments

▪ I2C/SMBus Compatible

▪ I2C/SMBus or pin strapping to set frequency and

phase

▪ TID Radiation Lot Acceptance Testing

(LDR: ≤10mrad(Si)/s)

• ISL74420M30NZ: 30krad(Si)

• ISL74420M50NZ: 50krad(Si)

▪ SEE Characterization

• No DSEE for PVIN = 20.7V, VCC = 5.5V, and

VCCEXT = 6.5V at 46MeV·cm2/mg

• SEFI <10μm2 at 46MeV·cm2/mg

• No missing pulse SETs and Frequency Deviation

SETs