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Electrical ac characteristics, J8436a-a – Approved Optics Approved HP J8436A User Manual

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J8436A-A

X2-SR 10GB Module
850nm, 300m, MMF, SC RoHS6

_______________________________________________________

Approved Optics, Inc. www.ApprovedOptics.com

Page 3 of 8

Input High Voltage

VIH

0.84

1.5

V

Input Low Voltage

VIL

–0.3

0.36

V

Pull-up Supply Voltage

VPU

0.84

1.2

1.5

V

Input Capacitance

CIN

10

pF

Load Capacitance

CLOAD

470

pF

External Pull-up Resistance

RLOAD

200

1) For 1.8 V CMOS Voh= 1.65 V min., Vol= 0.15 V max., Vih= 1.17 V min., Vil= 0.63 V max.
2) Rpull-up = 10 kΩ to 1.8 V.
3) Vin = 1.8 V.
4) AC coupled.
5) IOL = 100 μA

Electrical AC Characteristics

(VCC5 = 4.75 V to 5.25 V, VCC3 = 3.14 V to 3.47 V, VCCaps= 1.152 V to 1.248 V, TC= 0°C to 70°C)

Parameter

Symbol

Values

Unit

min.

typ.

max.

XAUI Input AC Characteristics (TXLANE[0..3])

Baud Rate

RXAUIIN

Gbit/s

Fibre Channel

3.1875

Ethernet

3.125

Baud Rate Tolerance

RTOLXAUI

–100

100

ppm

Differential Input Impedance

ZINXAUI

80

100

120

Differential Return Loss1)

|S11|

10

dB

Input Differential Skew2)

tSKEWIN

75

ps

Jitter Amplitude Tolerance3)

JXAUITOL

0.65

UIp-p

XAUI Output AC Characteristics (RXLANE[0..3])

Baud Rate Fibre Channel Ethernet

RXAUIOUT

3.1875
3.125

Gbit/s

Baud Rate Variation

RXAUIVAR

–100

100

ppm

XAUI Eye Mask (far-end)

According to IEEE 802.3ae and 10G Fibre Channel

Output Differential Skew

tSKEWOUT

15

ps

Output Differential Impedance

ZOUTXAUI

80

100

120

Differential Output Return Loss1)

|S22|

10

dB

Total Jitter4)

TJXAUI

0.35

UI

Deterministic Jitter4)

DJXAUI

0.37

UI

Power-On Reset AC Characteristics