ISP1521 datasheet(34/53 Pages) PHILIPS

34 / 53 page

Philips Semiconductors

ISP1521

Hi-Speed USB hub controller

Product data

Rev. 03 — 24 November 2004

34 of 53

9397 750 13702

13. Limiting values

[1]

Valid only when supply voltage is present.

[2]

Test method available on request.

[3]

Equivalent to discharging a 100 pF capacitor via a 1.5 k

Ω resistor (Human Body Model).

14. Recommended operating conditions

[1]

All internal pull-up resistors are connected to this voltage.

Table 34:

Absolute maximum ratings

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VCC

supply voltage 3.3 V

−0.5

+4.6

VREF(5V0)

input reference voltage 5.0 V

−0.5

+6.0

VI(5V0)

input voltage on 5 V buffers

3.0 V < VCC < 3.6 V

[1]

−0.5

+6.0

VI(3V3)

input voltage on 3.3 V buffers

3.0 V < VCC < 3.6 V

−0.5

+4.6

VO(3V3)

output voltage on 3.3 V buffers

−0.5

+4.6

Ilu

latch-up current

VI < 0 or VI >VCC

100

Vesd

electrostatic discharge voltage

on pins DM1 to DM7, DP1 to DP7,

OC1_N to OC7_N, and all

VREF(5V0) and GND pins; ILI <1 µA

[2][3]

−4000

+4000

on all other pins; ILI <1 µA

[2][3]

−2000

+2000

Tstg

storage temperature

−40

+125

°C

Table 35:

Recommended operating ranges

Symbol

Parameter

Min

Typ

Max

Unit

VCC

supply voltage 3.3 V

3.0

3.3

3.6

VREF(5V0)

input reference voltage 5.0 V

[1] 4.5

5.0

5.5

VI(3V3)

input voltage on 3.3 V pins

VCC

VI(5V0)

input voltage on 5 V tolerant pins

VREF(5V0) V

Tamb

ambient temperature

−40

+70

°C

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