STHDLS101 datasheet(14/25 Pages) STMICROELECTRONICS

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Maximum ratings

STHDLS101

14/25

5.1

Recommended operating conditions

5.1.1

Power supply and temperature range

5.1.2

Differential inputs (IN_D signals)

Table 7.

Power supply and temperature range

Symbol

Parameter

Comments

Min

Typ

Max

Unit

VCC33

3.3 V power supply

3.0

3.3

3.6

ICC

Maximum power supply current

Total current from VCC

3.3 V power supply

100

Operating temperature range

-40

Table 8.

Differential input characteristics for IN_D signals

Symbol

Parameter

Comments

Min

Typ

Max

Unit

Tbit

Unit interval

Tbit is determined by the

display mode. Nominal bit

rate ranges from 250 Mbps

to 2.5 Gbps per lane.

Nominal Tbit at

2.5 Gbps = 400 ps. 360 ps

= 400 ps – 10%

360

VRX-DIFFp-p

Differential input peak to peak

voltage

VRX-DIFFp-p=2*|VRX-D+ -

VRX-D-|. Applies to IN_D

signals.

0.175

1.2

TRX-EYE

Minimum eye width at IN_D input

pair

The level shifter may add a

maximum of 0.02UI jitter

0.8

Tbit

VCM-AC-pp

AC peak common mode input

voltage

VCM-AC-pp=|VRX-D+ +

VRX-D-|/2 – VRX-CM-DC.

VRX-CM-DC=DC(avg) of

|VRX-D+ + VRX-D-|/2

VCM-AC-pp includes all

frequencies above 30 kHz.

100

ZRX-DC

DC single-ended input impedance

Applies to IN_D+ as well as

IN_D- pins

(50

Ω ± 20% tolerance)

VRX-Bias

RX input termination voltage

Intended to limit power-up

stress on chipset’s PCIE

output buffers

ZRX-HIGH-Z

Single-ended input resistance for

IN_Dx when inputs are in high-Z

state

Differential inputs must be

in a high impedance state

100

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