USB2601-NU-05 Standard Microsystems (SMSC), USB2601-NU-05 Datasheet - Page 20

• Manufacturer Part Number: USB2601-NU-05
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2601-NU-05

• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

Revision 1.6 (06-20-08)
6.2
3.3V Analog Power
Voltage Regulator
1.8V Digital Core
3.3v Power & &
No Connect
BUFFER
Ground
NAME
Power
I/O8PU
I/O8PD
OCLKx
Input
O8PU
O8PD
ICLKx
I/O12
I/O-U
I/O8
IPU
IPD
AIO
O8
IS
Buffer Type Descriptions
I
Notes:
Hot-insertion capable card connectors are required for all flash media. It is required for SD
connector to have Write Protect switch. This allows the chip to detect MMC card.
nMCE is normally asserted except when the 8051 is in standby mode.
Input
Input with internal weak pull-up resistor.
Input with internal weak pull-down resistor.
Input with Schmitt trigger
Input/Output buffer with 8mA sink and 8mA source.
Input/Output buffer with 8mA sink and 8mA source, with an internal weak pull-up resistor.
Input/Output buffer with 8mA sink and 8mA source, with an internal weak pull-down
resistor.
Input/Output, 12mA
Output buffer with 8mA sink and 8mA source.
Output buffer with 8mA sink and 8mA source, with an internal weak pull-up resistor.
Output buffer with 8mA sink and 8mA source, with an internal weak pull-down resistor.
XTAL clock input
XTAL clock output
Analog Input/Output Defined in USB specification
Analog Input/Output
SYMBOL
VDDA33
VDD18
VDD33
Table 6.1 USB2601/USB2602 Buffer Type Descriptions
VSS
DIGITAL POWER, GROUNDS, and NO CONNECTS
NC
BUFFER
4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs & HS Hub
TYPE
DATASHEET
20
3.3v Analog PHY Power
+1.8V Core power
All VDD18 pins must be connected together on the
circuit board.
3.3V Power & Regulator Input.
Pin 87 supplies 3.3V power to the internal 1.8V
regulator.
Ground Reference
No Connect. No trace or signal should be
routed/attached to these pins.
DESCRIPTION
DESCRIPTION
SMSC USB2601/USB2602
Datasheet