Datasheet

USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x 7 Revision 1.1 (04-26-10)
DATASHEET
Chapter 1 USB251x Hub Family Differences Overview
Table 1.1 36-pin QFN (6x6x0.5 mm) RoHS Compliant Part Numbers
Table 1.2 48-pin QFN (7x7x0.5 mm) RoHS Compliant Part Numbers
Table 1.3 64-pin QFN (9x9x0.5 mm) RoHS Compliant Part Numbers
Note 1.1 *USB2512A/Ai only uses a single transaction translator, whereas all other parts use a multi
transactions translator.
Part
Number
Down-
stream
ports
True
Speed
Battery
Charging
Lower Power
Consumption
LED Port
Indicators
Clock
(MHz)
0ºC
to
70ºC
0ºC
to
85ºC
-40ºC
to
85ºC
USB2512
USB2512A*
2
24
3
USB2512i
USB2512Ai*
2
24
3
USB2512B
2
33
24
3
USB2512Bi
2
33
24
3
USB2513 3
24
3
USB2513i 3
24
3
USB2513B 3
33
24
3
USB2513Bi
3
33
24
3
USB2514 4
24
3
USB2514i
4
24
3
USB2514B 4
33
24
3
USB2514Bi
4
33
24
3
Part
Number
Down-
stream
ports
True
Speed
Battery
Charging
Lower Power
Consumption
LED Port
Indicators
Clock
(MHz)
0ºC
to
70ºC
0ºC
to
85ºC
-40ºC
to
85ºC
USB2513 3
3324/48 3
USB2513i 3
3324/48 3
USB2514 4
3324/48 3
USB2514i 4
3324/48 33
Part
Number
Down-
stream
ports
True
Speed
Battery
Charging
Lower Power
Consumption
LED Port
Indicators
Clock
(MHz)
0ºC
to
70ºC
0ºC
to
85ºC
-40ºC
to
85ºC
USB2517 7
3324 3
USB2517i
7
3324 3