SMSC USB2503, USB2503A manual 40

Integrated USB 2.0 Compatible 3-Port Hub

Datasheet

Table 7.1 DC Electrical Characteristics (continued)

PARAMETER	SYMBOL	MIN	TYP	MAX	UNITS	COMMENTS
ICLK Input Buffer
Low Input Level	VILCK			0.8	V	TTL Levels
High Input Level	VIHCK	2.0			V
Input Leakage	IIL	-10		+10	uA	VIN = 0 to VDD33CR
Hysteresis	VHYSC	50		100	mV
O12 and I/O12 Type Buffer
Low Output Level	VOL			0.4	V	IOL = 12mA @ VDD33CR = 3.3V
High Output Level
	VOH	2.4			V	IOH = -4mA @ VDD33CR = 3.3V
Output Leakage
	IOL			+10	uA	VIN = 0 to VDD33CR
						(Note 1)
I/OSD12 Type Buffer
Low Output Level	VOL			0.4	V	IOL = 12 mA @ VDD33CR = 3.3V
Output Leakage	IOL	-10		+10	µA	VIN = 0 to VDD33CR
Hysteresis	VHYSI	250	300	350	mV	(Note 1)
IO-U
(Note 2)
I-R
(Note 3)
Supply Current Unconfig-
ured
High-Speed Host	ICCINIT		100		mA
Full-Speed Host	ICCINIT		95		mA
Supply Current						Total from all supplies
Configured
(High-Speed Host)
2 Ports @ FS/LS	IHCC2		190		mA
2 Ports @ HS	IHCH2		235		mA
1 Port HS, 1 Port FS/LS	IHCH1C1		215		mA
3 Ports @ HS	IHCH3		265		mA

Revision 2.3 (08-27-07)	40	SMSC USB2503/USB2503A
	DATASHEET