Finisar FTLX1461E2 manual Electrical AC Characteristics, Xaui Output AC Characteristics RXLANE0..3

FTLX1461E2 Product Specification – October 2008

Electrical AC Characteristics

(VCC5 = 4.75 V to 5.25 V, VCC3 = 3.14 V to 3.47 V, VCC aps = 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		3.125		Gbit/s
Ethernet
Baud Rate Tolerance	RTOLXAUI	–100		100	ppm
Differential Input Impedance	ZINXAUI	80	100	120	Ω
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	RXAUIOUT		3.125		Gbit/s
Ethernet
Baud Rate Variation	RXAUIVAR	–100		100	ppm
XAUI Eye Mask (far-end)		According	to IEEE 802.3ae
Output Differential Skew	tSKEWOUT			15	ps
Output Differential Impedance	ZOUTXAUI	80	100	120	Ω
Differential Output Return Loss1)	S22	10			dB
Total Jitter4)	TJXAUI			0.35	UI
Deterministic Jitter4)	DJXAUI			0.37	UI
Power-On Reset AC Characteristics
Power-On Reset and TX_ONOFF	According to XENPAK MSA Issue 3.0, 2002-9-18
Characteristics
MDIO I/O AC Characteristics (MDIO;	MDC)
MDIO Data Hold Time	tHOLD	10			ns
MDIO Data Setup Time	tSU	10			ns
Delay from MDC Rising Edge to	tDELAY			300	ns
MDIO Data Change
MDC Clock Rate	ƒMAX			2.5	MHz

1)100 MHz to 2.5 GHz.

2)At crossing point.

3)Per IEEE Std 802.3ae.

4)At near-end, No pre-equalization, 1 UI = 320 ps.

© Finisar Corporation – October 2008 Rev B Page 6