USB2503A-HZH SMSC, USB2503A-HZH Datasheet - Page 8

• Manufacturer Part Number: USB2503A-HZH
• Description: IC HUB 3PORT USB COMPATBL 48-QFN
• Manufacturer: SMSC
• Type: Integrated USB Compatible 3 Port Hubr

Specifications of USB2503A-HZH

• Controller Type: USB Hub
• Interface: Serial EEPROM
• Voltage - Supply: 1.62 V ~ 3.6 V
• Current - Supply: 100mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-QFN
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1030

Chapter 3 Pin Configuration 3-Port Hub
Revision 2.3 (08-27-07)
ATEST/REG_EN
XTAL1/CLKIN
VDDA18PLL
VDDA33PLL
VDD33CR
RESET_N
VDD18
XTAL2
RBIAS
VSS
VSS
VSS
37
38
39
40
41
42
43
44
45
46
47
48
Indicates pins on the bottom of the device.
(Top View QFN-48)
(must be connected to VSS)
Figure 3.1 3-Port 48-Pin QFN
USB2503A
DATASHEET
USB2503
Thermal Slug
SMSC
&
8
Integrated USB 2.0 Compatible 3-Port Hub
24
23
22
21
20
19
18
17
16
15
14
13
SMSC USB2503/USB2503A
TEST0
VDD18
VSS
GR1/NON_REM0
GANG_EN
GR2/NON_REM1
PRTPWR_POL
GR3/PRT_DIS0
PRTPWR2
OCS3_N
PRTPWER3
VDDA33
Datasheet