SMSC USB2640, USB2640i 9.2Operating Conditions, 9.3DC Electrical Characteristics, MIN, MAX, MIN, TYP, MAX, UNITS, UNITS, SYMBOL, SYMBOL, COMMENTS, COMMENTS, PARAMETER, PARAMETER

Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo

9.2Operating Conditions

PARAMETER	SYMBOL	MIN	MAX	UNITS	COMMENTS
Operating	TA	0	70	°C	Ambient temperature in still air.
Temperature
3.3V supply voltage	VDD33,	3.0	3.6	V	A 3.3V regulator with an output
	VDDA33				tolerance of 1% must be used if
					the output of the internal power
					FET’s must support a 5%
					tolerance.
3.3V supply rise time	tRT	0	400	μs	(Figure 9.1)
1.8V supply rise time	tRT	0	400	μs	(Figure 9.1)
Voltage on		-0.3	5.5	V	If any 3.3V supply voltage drops
USB+ and USB- pins					below 3.0V, then the MAX
					becomes:
					(3.3V supply voltage) + 0.5 ≤ 5.5
Voltage on any signal		-0.3	VDD33	V
pin
Voltage on XTAL1		-0.3	2.0	V
Voltage on XTAL2		-0.3	2.0	V

9.3DC Electrical Characteristics

PARAMETER	SYMBOL	MIN	TYP	MAX	UNITS	COMMENTS
I, IPU, IPD Type Input Buffer
Low Input Level	VILI			0.8	V	TTL Levels
High Input Level	VIHI	2.0			V
Pull Down	PD		72		μA
Pull Up	PU		58		μA
IS Type Input Buffer
Low Input Level	VILI			0.8	V	TTL Levels
High Input Level	VIHI	2.0			V
Hysteresis	VHYSI		420		mV
ICLK Input Buffer
Low Input Level	VILCK			0.5	V
High Input Level	VIHCK	1.4			V
Input Leakage	IIL	-10		+10	μA	VIN = 0 to VDD33

SMSC USB2640/USB2641	55	Revision 2.0 (10-03-08)
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