3000 datasheet(30/102 Pages) INTEL

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Electrical Specifications

Dual-Core Intel® Xeon® Processor 3000 Series Datasheet

2.7.9

BCLK[1:0] Specifications (CK410 based Platforms)

Figure 2-5. Differential Clock Crosspoint Specification

Figure 2-6. Differential Measurements

660 670 680 690 700 710 720 730 740 750 760 770 780 790 800 810 820 830 840 850

200

250

300

350

400

450

500

550

600

650

VHavg (mV)

550 mV

300 mV

300 + 0.5 (VHavg - 700)

550 + 0.5 (VHavg - 700)

+150 mV

-150 mV

0.0V

Slew_rise

+150mV

-150mV

V_swing

Slew _fall

Diff

Table 2-19. Front Side Bus Differential BCLK Specifications

Symbol

Parameter

Min

Typ

Max

Unit

Figure

Notes1

Input Low Voltage

-0.150

0.000

N/A

2-4

Input High Voltage

0.660

0.700

0.850

2-4

VCROSS(abs)

Absolute Crossing

Point

0.250

N/A

0.550

2-4, 2-5

2, 3

VCROSS(rel)

Relative Crossing Point

0.250 +

0.5(VHavg – 0.700)

N/A

0.550 +

0.5(VHavg – 0.700)

2-4, 2-5

4, 3, 5

ΔVCROSS

Range of Crossing

Points

N/A

0.140

2-4, 2-5

VOS

Overshoot

N/A

VH + 0.3

2-4

VUS

Undershoot

-0.300

N/A

2-4

VRBM

Ringback Margin

0.200

N/A

2-4

VTM

Threshold Region

VCROSS – 0.100

N/A

VCROSS + 0.100

2-4

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