Si52112-B3/B4

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

5

Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 31, 2021

Table 3. AC Electrical Specifications

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Crystal

Long-term Accuracy

LACC

Measured at VDD/2 differential

—

—

250

ppm

Clock Input

CLKIN Duty Cycle

TDC

Measured at VDD/2

45

—

55

%

CLKIN Rise and Fall Times

TR/TF

Measured between 0.2 VDD and

0.8 VDD

0.5

—

4.0

V/ns

CLKIN Cycle-to-Cycle Jitter

TCCJ

Measured at VDD/2

—

—

250

ps

CLKIN Long Term Jitter

TLTJ

Measured at VDD/2

—

—

350

ps

Input High Voltage

VIH

XIN/CLKIN pin

2

—

VDD+0.3

V

Input Low Voltage

VIL

XIN/CLKIN pin

—

—

0.8

V

Input High Current

IIH

XIN/CLKIN pin, VIN = VDD

——

35

µA

Input Low Current

IIL

XIN/CLKIN pin, 0 < VIN <0.8

–35

—

—

µA

DIFF Clocks

Duty Cycle

TDC

Measured at 0 V differential

45

—

55

%

Skew

TSKEW

Measured at 0 V differential

—

—

60

ps

Output Frequency

FOUT

VDD = 3.3 V

—

100

—

MHz

Frequency Accuracy

FACC

All output clocks

——

100

ppm

Slew Rate

tr/f2

Measured differentially from

±150 mV

0.6

—

4.0

V/ns

Cycle-to-Cycle Jitter

TCCJ

Measured at 0 V differential

—

28

70

ps

PCIe Gen 1 Pk-Pk Jitter

Pk-PkGEN1

PCIe Gen 1

—24

86

ps

PCIe Gen 2 Phase Jitter

RMSGEN2

10 kHz < F < 1.5 MHz

—

1.35

3.0

ps

1.5 MHz < F < Nyquist

—

1.4

3.1

ps

Crossing Point Voltage at 0.7 V

Swing

VOX

300

—

550

mV

Voltage High

VHIGH

—

—

1.15

V

Voltage Low

VLOW

–0.3

—

—

V

Spread Range

SRNG

Down Spread, -B4 only

—

–0.5

—

%

Modulation Frequency

FMOD

-B4 only

30

31.5

33

kHz

Enable/Disable and Set-up

Clock Stabilization from Power-

up

TSTABLE

——

3

ms

Stopclock Set-up Time

TSS

10.0

—

—

ns

Note: Visit www.pcisig.com for complete PCIe specifications.