SMSC LAN91C111 13.4Twisted Pair Characteristics, Receive

10/100 Non-PCI Ethernet Single Chip MAC + PHY

Datasheet

SYM	PARAMETER	LIMIT			UNIT	CONDITIONS
		MIN	TYP	MAX
TOIR	TP Output Current	0.80		1.2		VDD = 3.3V, Adjustable with RBIAS,
	Adjustment Range					relative to TOIA with RBIAS=11K
		0.86		1.16		VDD = 3.3V, Adjustable with LVL[3:0]
						Relative to Value at TLVL[3:0]=1000
TORA	TP Output Current			+/-50	%	Relative to Ideal Values in Table 3.
	TLVL Step Accuracy					Table 3 Values Relative to Output with
						TLVL[3:0]=1000.
TOR	TP Output		10K		Ohm
	Resistance
TOC	TP Output		15		pF
	Capacitance

13.4Twisted Pair Characteristics, Receive

Unless otherwise noted, all test conditions are as follows:

„Vcc = 3.3V +/-5%

„RBIAS = 11K +/- 1 %, no load

„62.5/10 Mhz Square Wave on TP inputs in 100/10 Mbps

SYM	PARAMETER	LIMIT				UNIT	CONDITIONS
		MIN	TYP		MAX
RST	TP Input Squelch	166			500	mV pk	100 Mbps, RLVL=0
	Threshold
		310			540	mV pk	10 Mbps, RLVL=0
		60			200	mV pk	100 Mbps, RLVL=1
		186			324	mV pk	10 Mbps, RLVL=1
RUT	TP Input Unsquelch	100			300	mV pk	100 Mbps, RLVL=0
	Threshold
		186			324	mV pk	10 Mbps, RLVL=0
		20			90	mV pk	100 Mbps, RLVL=1
		112			194	mV pk	10 Mbps, RLVL=1
	TP Input Open Circuit		VDD- 2.4			Volt	Voltage on Either TPI+ or TPI- with
	Voltage		± 0.2				Respect to GND.
RCMR	TP Input Common		ROCV			Volt	Voltage on TPI± with Respect to
	Mode Voltage Range		± 0.25				GND.
RDR	TP Input Differential				VDD	Volt
	Voltage Range
RIR	TP Input Resistance	5K				Ohm
RIC	TP Input Capacitance		10			pF
SMSC LAN91C111 REV C				109			Revision 1.91 (08-18-08)

DATASHEET