9ZXL1930 Datasheet, PDF (7/18 Pages) Integrated Device Technology – Fixed feedback path

9ZXL1930
19-OUTPUT LOW POWER DIFFERENTIAL ZBUFFER FOR PCIE GEN3 AND QPI
Electrical Characteristics–DIF Low-Power HCSL Differential Outputs
TA = T_COM; Supply Voltage VDD/VDDA = 3.3 V +/-5%, VDDIO = 1.05 to 3.3V +/-5%. See Test Loads for Loading Conditions
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
Voltage Low
VHigh
VLow
Statistical measurement on single-ended signal _{660 757 850}
1
using oscilloscope math function. (Scope
mV
averaging on)
-150 16 150
1
Max Voltage
Min Voltage
Vmax
Vmin
Measurement on single ended signal using
857 1150 _mV
1
absolute value. (Scope averaging off)
-300 -36
1
Vswing
Vswing
Scope averaging off
300
mV 1, 2
Crossing Voltage (abs)
Crossing Voltage (var)
Vcross_abs
∆_-Vcross
Scope averaging off
Scope averaging off
300 469 550 mV 1, 5
14 140 mV 1, 6
1_{Guaranteed by design and characterization, not 100% tested in production. CL = 2pF with RS = 33Ω for Zo = 50Ω (100Ω differential}
trace impedance).
2 _{Measured from differential waveform}
3 _{Slew rate is measured through the Vswing voltage range centered around differential 0V. This results in a +/-150mV window around}
differential 0V.
4 _{Matching applies to rising edge rate for Clock and falling edge rate for Clock#. It is measured using a +/-75mV 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.
5 _{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).
6 _{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 ∆-Vcross to be smaller than Vcross absolute.
Electrical Characteristics–Current Consumption
TA = T_COM; Supply Voltage VDD/VDDA = 3.3 V +/-5%, VDDIO = 1.05 to 3.3V +/-5%. See Test Loads for Loading Conditions
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Operating Supply Current
I_DDVDD
I_DDVDDA/R
I_DDVDDIO
All outputs @100MHz, C_L = 2pF; Zo=85 Ω
All outputs @100MHz, C_L = 2pF; Zo=85 Ω
All outputs @100MHz, C_L = 2pF; Zo=85 Ω
23
35
mA
12
20
mA
151
175
mA
I_DDVDDPD
All differential pairs low/low
2.9
6
mA
Powerdown Current
I_DDVDDA/RPD
All differential pairs low/low
4.4
6
mA
I_DDVDDIOPD
All differential pairs low/low
1 _{Guaranteed by design and characterization, not 100% tested in production.}
0.05
1.5
mA
2 _{With input clock running. Stopping the input clock will result in lower numbers.}
NOTES
1
1
1
1,2
1,2
1,2
IDT® 19-OUTPUT LOW POWER DIFFERENTIAL ZBUFFER FOR PCIE GEN3 AND QPI
7
9ZXL1930
REV C 062614