USB2231 Datasheet, PDF (21/26 Pages) SMSC Corporation – 5th GENERATION HI-SPEED USB FLASH MEDIA AND CIR CONTROLLER WITH INTEGRATED CARD POWER FETs

5th Generation Hi-Speed USB Flash Media and CIR Controller with Integrated Card Power FETs
Datasheet
Chapter 7 DC Parameters
7.1
Maximum Guaranteed Ratings
Operating Temperature Range ............................................................................................0^oC to +70^oC
Storage Temperature Range............................................................................................. -55^o to +150^oC
Lead Temperature Range (soldering, 10 seconds) ...................................................................... +325^oC
Positive Voltage on GPIO3, with respect to Ground......................................................................... 5.5V
Positive Voltage on any signal pin, with respect to Ground ............................................................. 4.6V
Positive Voltage on XTAL1, with respect to Ground ......................................................................... 4.0V
Positive Voltage on XTAL2, with respect to Ground ......................................................................... 2.5V
Negative Voltage on GPIO8, 10 & 11, with respect to Ground (see Note 7.2)............................... -0.5V
Negative Voltage on any pin, with respect to Ground ..................................................................... -0.5V
Maximum V_DD18, V_DD18PLL .............................................................................................................. +2.5V
Maximum V_DD33, V_DDA33 ................................................................................................................. +4.6V
*Stresses above the specified parameters could cause permanent damage to the device. This is a
stress rating only and functional operation of the device at any other condition above those indicated
in the operation sections of this specification is not implied.
Note 7.1
When powering this device from laboratory or system power supplies, it is important that
the Absolute Maximum Ratings not be exceeded or device failure can result. Some power
supplies exhibit voltage spikes on their outputs when the AC power is switched on or off.
In addition, voltage transients on the AC power line may appear on the DC output. When
this possibility exists, it is suggested that a clamp circuit be used.
Note 7.2
When internal power FET operation of these pins is enabled, these pins may be
simultaneously shorted to ground or any voltage up to 3.63V indefinitely, without damage
to the device as long as V_DD33 and V_DDA33 are less than 3.63V and T_A is less than 70°C.
7.2
DC Electrical Characteristics
(T_A = 0°C - 70°C, V_DD33, V_DDA33 = +3.3 V ± 0.3 V, V_DD18, V_DD18PLL = +1.8 V ± 10%,)
PARAMETER
I,IPU & IPD Type Input Buffer
Low Input Level
High Input Level
Pull Down
Pull Up
SYMBOL
V_ILI
V_IHI
PD
PU
MIN TYP MAX UNITS
COMMENTS
0.8
2.0
72
58
V
TTL Levels
V
µA
µA
SMSC USB2231/USB2232
21
DATASHEET
Revision 1.3 (07-12-05)