UCS81003 datasheet(7/108 Pages) MICROCHIP

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 2014 Microchip Technology Inc.

DS20005334A-page 7

UCS81003

Propagation Delay Skew

t

—25

—

RTERM =50, CLOAD =5 pF

Rise/Fall Time

tF/R

—10

—

RTERM =50, CLOAD =5 pF

DP – DM Crosstalk

XTALK

—-40

—

RTERM =50, CLOAD =5 pF

Off Isolation

OIRR

—-30

—

RTERM =50, CLOAD =5 pF,

f= 240 MHz

-3 dB Bandwidth

—

1100

—

MHz

RTERM =50, CLOAD =5 pF,

VDPOUT =VDMOUT =350 mV DC

Total Jitter

—200

—

RTERM =50, CLOAD =5 pF,

Rise Time = Fall Time = 500 ps

at 480 Mbps (PRBS = 215 –1)

Skew of Opposite

Transitions of the Same

Output

tSK(P)

—20

—

RTERM =50, CLOAD =5 pF

Port Power Switch

Port Power Switch - DC Parameter

Overvoltage Lockout

VS_OV

—6

—

On Resistance

RON_PSW

—55

—



4.75V < VS < 5.25V

VS Leakage Current

ILEAK_VS

—

2.22

—

µA

Sleep state into VS pin

Back-Voltage Protection

Threshold

VBV_TH

—150

—

VBUS > VS,

VS > VS_UVLO

Back-Drive Current

IBD_1

—0

µA

VDD < VDD_TH,

Any powered power pin to any

unpowered power pin. Current

out of unpowered pin (Note 3).

IBD_2

—0

µA

VDD < VDD_TH,

Any powered power pin to any

unpowered power pin, except

for VDD to VBUS in Detect

power state and VS to VBUS in

Active Power state. Current

out of unpowered pin (Note 3).

TABLE 1-2:

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: Unless otherwise specified, VDD = 4.5V to 5.5V, VS = 2.9V to 5.5V, VPULLUP = 3V to 5.5V,

TJ = -40°C to +125°C; all Typical values at VDD = VS = 5V, TJ = +27°C.

Characteristic

Sym.

Min.

Typ.

Max.

Unit

Conditions

Note 1:

For split supply systems using the Attach Detection feature, VS must not exceed VDD +150 mV.

This parameter is ensured by design and is not 100% tested.

This parameter is characterized, but not 100% production tested.

The current measurement full-scale range maximum value is 3.0A. However, the UCS81003 cannot report

values above ILIM (if IBUS_R2MIN  ILIM) or above IBUS_R2MIN (if IBUS_R2MIN > ILIM and ILIM 1.68A).

The Minimum and Maximum values represent the boundaries of a programmable range. Each value in the

range is typical.

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