NB3W1900LMNG datasheet(8/20 Pages) ONSEMI

Part #	NB3W1900LMNG

Description	3.3 V 100/133 MHz Differential 1:19 HCSL-Compatible Push?륯ull Clock ZDB/Fanout Buffer

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NB3W1900L

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Table 11. ELECTRICAL CHARACTERISTICS − DIF 0.7 V LOW POWER DIFFERENTIAL OUTPUTS

(TA =0°C− 70°C; Supply Voltage VDD/VDDA = 3.3 V ±5%, VDDIO = 1.05 V to 3.3 V ±5%. See Test Loads for Loading Conditions)

(Note 12)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

dV/dt

Slew Rate (Notes 13, 14)

Scope averaging on

1

4

V/ns

DdV/dt

Slew Rate Matching (Notes 13, 15)

Slew rate matching, Scope averaging on

20

%

VHigh

Voltage High

Statistical measurement on single-ended

signal using oscilloscope math function.

(Scope averaging on)

660

850

mV

VLow

Voltage Low

−150

150

Vmax

Max Voltage

Measurement on single ended signal using

Absolute value. (Scope averaging off)

1150

mV

Vmin

Min Voltage

−300

Vswing

Vswing (Note 13)

Scope averaging off

300

mV

Vcross_abs

Crossing Voltage (abs) (Note 16)

Scope averaging off

250

550

mV

DVcross

Crossing Voltage (var) (Note 17)

Scope averaging off

140

mV

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

12. Guaranteed by design and characterization, not tested in production. CL = 2 pF with RS = 33 W for Zo = 50 W (100 W differential trace

impedance).

13. Measured from differential waveform

14. Slew rate is measured through the Vswing voltage range centered around differential 0 V. This results in a ±150 mV window around differential

0 V.

15. Matching applies to rising edge rate for Clock and falling edge rate for Clock#. It is measured using a

±75 mV window centered on 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.

16. Vcross is defined as voltage where Clock = Clock# measured on a component test board and only applies to the differential rising edge

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

17. The total variation of all Vcross measurements in any particular system. Note that this is a subset of Vcross_min/max (Vcross absolute) allowed.

The intent is to limit Vcross induced modulation by setting DVcross to be smaller than Vcross absolute.

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