SMSC TMC2005-JT MIN, MAX, PIN, MIN, TYP, MAX, ITEM, UNIT, ITEM, UNIT, SYMBOL, SYMBOL, CONDITION, CONDITION, FIGURE 17 - CLOCK AND RESET, DC CHARACTERISTIC - OUTPUT PIN

ARCNET 5 Port HUB Controller

Datasheet

DC CHARACTERISTIC - OUTPUT PIN

	SYMBOL	ITEM		CONDITION		MIN		MAX	UNIT		PIN
	VOH	High Level Output Voltage		IOH=-4mA		2.4			V	1,9,46,51,
										55,61
	VOH	High Level Output Voltage		IOH=-8mA		2.4			V	11,45,47
	VOL	Low Level Output Voltage			IOL=4mA		0.4		V	1,9,46,51,
										55,61
	VOL	Low Level Output Voltage			IOL=8mA		0.4		V	11,45,47
AC CHARACTERISTIC - CLOCK and RESET
		ITEM	SYMBOL		MIN	TYP		MAX	UNIT		CONDITION
	Generating Static Time		tx					4	mS
	Clock Cycle		tCYC			50			nS		Note 1
	Clock Frequency Deflection		tCDF		-100			100	ppm		Note 1
	Clock Pulse Width		tCW		20				nS		Note 1
	Reset Pulse Width		ttRSW		200				nS		Note 1

Note 1: Use only F=20MHz

Note 2: VDD=4.5V

XTLI

tCW tCW tCYC

nRST

tRSW

FIGURE 17 - CLOCK AND RESET

Revision 1.1 (07-24-07) Page 28 SMSC TMC2005-JT

DATASHEET