ZL40272 datasheet(36/54 Pages) MICROCHIP

36 / 54 page

ZL40272

DS20006408B-page 36



2020 - 2021 Microchip Technology Inc. and its subsidiaries

Additive Jitter as per PCIe 3.0

(PLL_BW = 2 MHz to 5 MHz, CDR

= 10 MHz)

tjPCIe_3.0

—

fsRMS

Input clock:

100 MHz

Additive Jitter as per PCIe 4.0

(PLL_BW = 2 MHz to 5 MHz, CDR

= 10 MHz)

tjPCIe_4.0

—

fsRMS

Input clock:

100 MHz

Additive Jitter as per PCIe 5.0

(PLL_BW = 0.5 MHz to 1.8 MHz,

CDR for 32 GT/s CC)

tjPCIe_5.0

—

fsRMS

Input clock:

100 MHz

Additive Jitter as per Intel QPI

9.6 Gbps

tjQPI

—

fsRMS

Input clock:

100 MHz

Additive RMS Jitter in 1 MHz to

20 MHz Band

tj_1M_20M

—

fsRMS

Input clock:

100 MHz

—

Input clock:

133 MHz

—

Input clock:

400 MHz

Additive RMS Jitter in 12 kHz to

20 MHz Band

tj_12k_20M

—

fsRMS

Input clock:

100 MHz

—

Input clock:

133 MHz

—

Input clock:

400 MHz

Noise Floor

—

–163

–161

dBc/Hz

Input clock:

100 MHz

—

–164

–162

Input clock:

133 MHz

—

–160

–158

Input clock:

400 MHz

Note 1: Values are over Recommended Operating Conditions.

TABLE 4-14: HCSL OUTPUTS (PCIe ELECTRICAL CHARACTERISTICS) FOR VDDO = 2.5V

Note 1

Characteristics

Symbol

Min.

Typ.

Max.

Units

Notes

Rising Edge Rate

Rise_Rate

1.4

1.75

V/ns

Note 3, Note 4

Falling Edge Rate

Fall_Rate

1.4

1.75

V/ns

Note 3, Note 4

Differential High Voltage

VIH

0.6

—

Note 3

Differential Low Voltage

VIL

—

–0.6

Note 3

Single-Ended High Voltage

VSIH

0.65

0.75

0.85

DC Measurement

Single-Ended Low Voltage

VSIL

–20

DC Measurement

Absolute Crossing Voltage

VCROSS

0.25

—

0.55

Note 2, Note 5,

Note 6

Variation of VCROSS over All Rising

Clock Edges

∆VCROSS

—

0.140

Note 2, Note 5,

Note 10

Ringback Voltage Margin

VRB

–0.55

—

0.55

Note 3, Note 12

Time before VRB is Allowed

tSTABLE

4.6

—

Note 3, Note 12

Cycle-to-Cycle Additive Jitter

tJCC

—

4.6

5.8

psPP

Note 3

TABLE 4-13: HCSL (PCIe) JITTER PERFORMANCE FOR VDDO = 3.3V

Note 1

Characteristics

Symbol

Min.

Typ.

Max.

Units

Notes

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