USB 2.0 Hi-Speed Hub Controller
Datasheet
Chapter 1 USB251x Hub Family Differences Overview
Table 1.1 36-pin QFN (6x6x0.5 mm) RoHS Compliant Part Numbers
Part
Number
Down-
stream
ports
Default
TT
True
Speed
Battery
Charging
LED Port
Indicators
Clock
(MHz)
0ºC
to
70ºC
-40ºC
to
85ºC
24
24
USB2512
USB2512A
USB2512B
multi**
multi**
2
3*
3*
3
USB2512i
USB2512Bi
USB2512Ai
2
3
3
24
24
24
24
USB2513
USB2513B
multi
multi
multi
multi
3*
3*
3*
3*
3
3
USB2513i
USB2513Bi
3
4
3
3
USB2514
USB2514B
USB2514i
USB2514Bi
4
Table 1.2 48-pin QFN (7x7x0.5 mm) RoHS Compliant Part Numbers
Part
Number
Down-
stream
ports
Default
TT
True
Speed
Battery
Charging
LED Port
Indicators
Clock
(MHz)
0ºC
to
70ºC
-40ºC
to
85ºC
USB2513
USB2514
3
4
multi
multi
3
3
3
3
24/48
24/48
3
3
Table 1.3 64-pin QFN (9x9x0.5 mm) RoHS Compliant Part Numbers
Part
Number
Down-
stream
ports
Default
TT
True
Speed
Battery
Charging
LED Port
Indicators
Clock
(MHz)
0ºC
to
70ºC
-40ºC
to
85ºC
USB2517
USB2517i
7
7
multi
multi
3
3
3
3
24
24
3
3
Note 1.1 *Battery charging enable is only available on USB251x/xBi products.
Note 1.2 **USB2512A/Ai only uses a single transaction translator.
SMSC USB251x
7
Revision 1.0 (3-11-09)
DATASHEET
SMSC [ SMSC CORPORATION ]
