Hynix HMT351U7CFR8A-PBT0 Benutzerhandbuch

Table below shows the output levels used for measurements of single ended signals.

1. The swing of ±0.1 x V

DDQ

 is based on approximately 50% of the static single ended output high or low swing with 

a driver impedance of 40 Ω  and an effective test load of 25 Ω  to V

TT

 = V

DDQ

 / 2.

Table below shows the output levels used for measurements of single ended signals.

1. The swing of ±0.2 x V

DDQ

 is based on approximately 50% of the static differential output high or low swing with 

a driver impedance of 40 Ω  and an effective test load of 25 Ω  to V

TT

 = V

DDQ

/2 at each of the differential outputs.

V

OH(DC)

DC output high measurement level (for IV curve linearity)

0.8 x V

DDQ

V

V

OM(DC)

DC output mid measurement level (for IV curve linearity)

0.5 x V

DDQ

V

V

OL(DC)

DC output low measurement level (for IV curve linearity)

0.2 x V

DDQ

V

V

OH(AC)

AC output high measurement level (for output SR)

V

TT

 + 0.1 x V

DDQ

V

1

V

OL(AC)

AC output low measurement level (for output SR)

V

TT

 - 0.1 x V

DDQ

V

1

V

OHdiff (AC)

AC differential output high measurement level (for output SR)

+ 0.2 x V

DDQ

V

1

V

OLdiff (AC)

AC differential output low measurement level (for output SR)

- 0.2 x V

DDQ

V

1