PD720201 datasheet(24/43 Pages) RENESAS

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μPD720201/μPD720202

3. ELECTRICAL SPECIFICATIONS

R19DS0047EJ0500 Rev. 5.00

Page 24 of 40

Jan. 17, 2013

3.8.6

PCI Express Interface – Differential Receiver (RX) Specifications

(Refer to PCI Express Base Specification Revision 2.0 for more information)

Table 3-16.

PCI Express Interface – Differential Receiver (RX) Specifications

(1/2)

Parameter

Symbol

2.5GT/s

5.0GT/S.

Units

Unit Interval

399.88(min)

400.12(max)

199.94(min)

200.06(max)

Differential Rx peak-peak voltage for

common Reference clock Rx

architecture

RX-DIFF-PP-CC

0.175(min)

1.2(max)

0.120(min)

1.2(max)

Differential Rx peak-peak voltage for

data clocked Rx architecture

RX-DIFF-PP-DC

0.175(min)

1.2(max)

0.100(min)

1.2(max)

Receiver eye time opening

RX-EYE

0.40(min)

Not specified

Max Rx inherent timing error

RX-TJ-CC

Not specified

0.40(max)

Max Rx inherent timing error

RX-TJ-DC

Not specified

0.34(max)

Max Rx inherent deterministic timing

error

RX-DJ-DD-CC

Not specified

0.30(max)

Max Rx inherent deterministic timing

error

RX-DJ-DD-DC

Not specified

0.24(max)

Max time delta between median and

deviation from median

RX-EYE-MEDIAN-to-MAX-

JITTER

0.3(max)

Not specified

Minimum width pulse at Rx

RX-MIN-PULSE

Not specified

0.6(min)

Min/max pulse voltage on

consecutive UI

RX-MAX-MIN-RATIO

Not specified

5(max)

Maximum Rx PLL bandwidth

WRX-PLL-HI

22(max)

16(max)

MHz

Minimum Rx PLL BW for 3dB

peaking

WRX-PLL-LO-3DB

1.5(min)

8(min)

MHz

Minimum Rx PLL BW for 1dB

peaking

WRX-PLL-LO-1DB

Not specified

5(min)

MHz

Rx PLL peaking with 8 MHz min BW

KGRX-PLL1

Not specified

3.0

Rx PLL peaking with 5MHz min BW

KGRX-PLL2

Not specified

1.0

Rx package plus Si differential return

loss

LRX-DIFF

10(min)

10(min) for 0.05 –

1.25GHz

8(min) for 1.25 –

2.5GHz

Common mode Rx return loss

LRX-CM

6(min)

Receiver DC single ended

impedance

RX-DC

40(min)

60(max)

40(min)

60(max)

DC differential impedance

RX-DIFF-DC

80(min)

120(max)

Not specified

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