9ZXL1930

19-OUTPUT LOW POWER DIFFERENTIAL ZBUFFER FOR PCIE GEN3 AND QPI

IDT®

19-OUTPUT LOW POWER DIFFERENTIAL ZBUFFER FOR PCIE GEN3 AND QPI

7

9ZXL1930

REV C 062614

Electrical Characteristics–DIF Low-Power HCSL Differential Outputs

Electrical Characteristics–Current Consumption

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS NOTES

Slew rate

Trf

Scope averaging on

1

3

4

V/ns

1, 2, 3

Slew rate matching

∆Trf

Slew rate matching, Scope averaging on

7.6

20

%

1, 2, 4

Voltage High

VHigh

660

757

850

1

Voltage Low

VLow

-150

16

150

1

Max Voltage

Vmax

857

1150

1

Min Voltage

Vmin

-300

-36

1

Vswing

Vswing

Scope averaging off

300

mV

1, 2

Crossing Voltage (abs)

Vcross_abs

Scope averaging off

300

469

550

mV

1, 5

Crossing Voltage (var)

∆-Vcross

Scope averaging off

14

140

mV

1, 6

absolute) allowed. The intent is to limit Vcross induced modulation by setting ∆-Vcross to be smaller than Vcross absolute.

mV

Statistical measurement on single-ended signal

using oscilloscope math function. (Scope

averaging on)

Measurement on single ended signal using

absolute value. (Scope averaging off)

mV

trace impedance).

differential 0V.

the average cross point where Clock rising meets Clock# falling. The median cross point is used to calculate the voltage thresholds the

oscilloscope is to use for the edge rate calculations.

edge (i.e. Clock rising and Clock# falling).

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

23

35

mA

1

12

20

mA

1

151

175

mA

1

All differential pairs low/low

2.9

6

mA

1,2

All differential pairs low/low

4.4

6

mA

1,2

All differential pairs low/low

0.05

1.5

mA

1,2

Operating Supply Current

Powerdown Current