Datasheet > 9FGU0241_16

9FGU0241_16

更新时间： 2022-02-26 10:49:51

品牌	Logo	应用领域
艾迪悌 - IDT		PC
页数	文件大小	规格书
15页	205K
描述
2 O/P 1.5V PCIe Gen1-2-3 Clock Generator

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9FGU0241_16 数据手册

9FGU0241 DATASHEET

Electrical Characteristics–REF

TA = T_AMB;Supply Voltages per normal operation conditions, See Test Loads for Loading Conditions

PARAMETER

Long Accuracy

SYMBOL

ppm

CONDITIONS

see Tperiod min-max values

MIN

TYP

MAX

UNITS Notes

ppm

1,2

Clock period

Rise/Fall Slew Rate

Duty Cycle

T_period

t_rf1

25 MHz output

0.7

1.0

1.3

1.4

47.1

2.0

Byte 3 = 1F, 20% to 80% of VDDREF

Byte 3 = 5F, 20% to 80% of VDDREF

Byte 3 = 9F, 20% to 80% of VDDREF

Byte 3 = DF, 20% to 80% of VDDREF

V_T= VDD/2 V

0.3

0.5

0.77

0.84

1.1

1.6

1.9

2.0

V/ns

t_rf1

1,3

t_rf1

d_t1X

d_tcd

1,4

1,5

Duty Cycle Distortion

V_T= VDD/2 V, when driven by XIN/CLKIN_25 pin

Jitter, cycle to cycle

Noise floor

t_jcyc-cyc

t_jdBc1k

V_T= VDD/2 V

1kHz offset

51.2

-126

-139

250

-105

-110

1,4

dBc

Noise floor

t_jdBc10k

10kHz offset to Nyquist

dBc

(rms)

Jitter, phase

t_jphREF

12kHz to 5MHz

1.11

1,4

¹Guaranteed by design and characterization, not 100% tested in production.

²All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is trimmed to 25.00 MHz

³Default SMBus Value

⁴When driven by a crystal.

⁵X2 should be floating.

Clock Periods–Differential Outputs with Spread Spectrum Disabled

Measurement Window

1 Clock

1us

-SSC

0.1s

- ppm

0.1s

+ ppm

Long-Term Short-Term

Average

Max

1us

+SSC

1 Clock

Center

Freq.

MHz

SSC OFF

-c2c jitter

AbsPer

Min

0 ppm

Period

Nominal

+c2c jitter Units Notes

AbsPer

Max

Short-Term Long-Term

Average

Min

Average

Min

Average

Max

DIF

100.00

9.94900

9.99900

10.00000

10.00100

10.05100

1,2

Clock Periods–Differential Outputs with -0.5% Spread Spectrum Enabled

Measurement Window

1 Clock

1us

-SSC

0.1s

- ppm

0.1s

+ ppm

Long-Term Short-Term

Average

Max

1us

+SSC

1 Clock

Center

Freq.

MHz

SSC ON

-c2c jitter

AbsPer

Min

0 ppm

Period

Nominal

+c2c jitter Units Notes

AbsPer

Max

Short-Term Long-Term

Average

Min

Average

Min

Average

Max

DIF

99.75

9.94906

9.99906

10.02406

10.02506

10.02607

10.05107

10.10107

1,2

¹Guaranteed by design and characterization, not 100% tested in production.

²All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is trimmed to 25.00 MHz

2 O/P 1.5V PCIE GEN1-2-3 CLOCK GENERATOR W/ZO=100OHMS

OCTOBER 18, 2016

1...5 6 789 10 11...15

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