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Static Electrical Characteristics – Supply Pins

TUSB1105, TUSB1106

ADVANCED UNIVERSAL SERIAL BUS TRANSCEIVERS

SCAS818D – MAY 2006 – REVISED FEBRUARY 2008

over recommended ranges of operating free-air temperature and supply voltage (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

UNIT

Regulated

Vreg(3.3)

Internal regulator option, Iload ≤ 300 µA

(1) (2)

3.3

3.6

supply-voltage output

Full-speed transmitting and receiving at 12 Mbit/s,

ICC

Operating supply current

CL = 50 pF on D+ and D–

(3)

ICC(I/O)

Operating I/O supply current

Full-speed transmitting and receiving at 12 Mbit/s(3)

2.3

2.5

Full-speed idle:

Supply current during

VD+ > 2.7 V, VD– < 0.3 V

ICC(idle)

500

µA

full-speed idle and SE0

SE0:

VD+ < 0.3 V, VD– < 0.3 V

(4)

ICC(I/O)(static)

Static I/O supply current

Full-speed idle, SE0 or suspend

µA

ICC(susp)

Suspend supply current

SUSPND = HIGH(4)

µA

ICC(dis)

Disable-mode supply current

VCC(I/O) not connected

(4)

µA

Sharing-mode I/O

ICC(I/O)(sharing)

VCC(5.0) or Vreg(3.3) not connected

µA

supply current

Sharing-mode load current

VCC(5.0) or Vreg(3.3) not connected,

IDx(sharing)

µA

on D+ and D–

SOFTCON = LOW, VDx = 3.6 V

Supply lost

0.8

during power down

Regulated supply-voltage

1.65 V

≤ VCC(I/O) ≤ Vreg(3.3),

Vreg(3.3)th

detection threshold

2.7 V

≤ Vreg(3.3) ≤ 3.6 V

Supply detect

2.4

during power up(5)

Regulated supply-voltage

Vreg(3.3)hys

VCC(I/O) = 1.8 V

0.45

detection hysteresis

Supply lost

0.5

during power down

I/O supply-voltage

VCC(I/O)th

Vreg(3.3) = 2.7 V to 3.6 V

detection threshold

Supply detect

1.4

during power up

I/O supply-voltage

VCC(I/O)hys

Vreg(3.3) = 3.3 V

0.45

detection hysteresis

(1)

Iload includes the pullup resistor current via Vpu(3.3).

(2)

In suspend mode, the typical voltage is 2.8 V.

(3)

Maximum value is characterized only, not tested in production.

(4)

Excluding any load current and Vpu(3.3)/Vsw source current to the 1.5-kΩ and 15-kΩ pullup and pulldown resistors (200 µA typ)

(5)

When VCC(I/O) < 2.7 V, the minimum value for Vreg(3.3)th (present) is 2 V.

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