USB2517-JZX Standard Microsystems (SMSC), USB2517-JZX Datasheet - Page 11

• Manufacturer Part Number: USB2517-JZX
• Description: USB HUB
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2517-JZX

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / RoHS Status: Compliant

USB 2.0 Hi-Speed Hub Controller
Datasheet
Chapter 4 Block Diagram
SMSC USB251x
3.3 V
Note 4.1
Note 4.2
V
The ‘x’ indicates the number of available downstream ports: 2, 3, 4, or 7.
To Upstream
Regulator
Detect/
bus
Power
Bus-
V
Pulse
BUS
CRFILT
USB2512A/USB2512Ai only supports a single transaction translator.
The LED port indicators only apply to USB2513/13i/14/14i (48QFN only) and USB2517/17i.
Routing & Port Re-Ordering Logic
Downstream
USB Data
PHY#1
Upstream
Figure 4.1 USB251x Hub Family Block Diagram
Repeater
USB Data
Upstream
PHY
Switch/
Drivers
Sense
Switch Driver/
LED
LED Drivers
OC
OC Sense
Port #1
3.3 V
Power
DATASHEET
Port
Regulator
11
...
Interface
Engine
Serial
TT
#1
Downstream
USB Data
PHY#x
...
24 MHz
Crystal
PLL
Switch/
Drivers
Sense
LED
OC
Switch Driver/
LED Drivers
OC Sense
Port #x
TT
#x
Power
Port
Controller
Interface
To EEPROM or
SMBus Master
Controller
Serial
SDA
Revision 1.1 (04-26-10)
Port
SCL