UPD720122GC-9EU Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD720122GC-9EU

USB2.0 Generic Device Controller

NEC => Renesas Technology 

µPD720122

2.5 DC Characteristics

The DC characteristics are classified into those of the USB interface and those of the BIU block.

2.5.1 DC characteristics of USB interface

Parameter

Symbol

Conditions

Serial resistor between DP (DM) and RSDP (RSDM)

RS

Driver output resistance

(also serves as high-speed termination)

ZHSDRV Includes RS resistor

Bus pull-up resistor on upstream facing port

RPU

Termination voltage for upstream facing port pull-up

(full-speed)

VTERM

Input levels for full-speed:

High-level input voltage (driven)

VIH

High-level input voltage (floating)

VIHZ

Low-level input voltage

VIL

Differential input sensitivity

VDI

 (D+) − (D−) 

Differential common mode range

VCM Includes VDI range

Output levels for full-speed:

High-level output voltage

Low-level output voltage

VOH

RL of 14.25 kΩ to VSS

VOL RL of 1.425 kΩ to 3.6 V

SE1

VOSE1

Output signal crossover voltage

VCRS

Input levels for high-speed:

High-speed squelch detection threshold (differential

signal amplitude)

VHSSQ

High-speed disconnect detection threshold

(differential signal amplitude)

VHSDSC

High-speed data signaling common mode voltage

range (guideline for receiver)

VHSCM

High-speed differential input signaling level

See Figure 2-4

Output levels for high-speed:

High-speed idle level

VHSOI

High-speed data signaling high

VHSOH

High-speed data signaling low

VHSOL

Chirp J level (different voltage)

VCHIRPJ

Chirp K level (different voltage)

VCHIRPK

Min. Max. Unit

35.64 36.36

Ω

40.5 49.5

Ω

1.425 1.575

Ω

3.0

3.6

V

2.0

V

2.7

3.6

0.8

V

0.2

V

0.8

2.5

V

2.8

3.6

V

0.0

0.3

V

0.8

V

1.3

2.0

V

100

150

mV

525

625

mV

−50

500

mV

−10.0

10

mV

360

440

mV

−10.0

10

mV

700

1100

mV

−900 −500

mV

14

Data Sheet S16685EJ2V0DS

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