SMSC USB2507 Manuel d'utilisateur télécharger pdf (Page 41)

Integrated USB 2.0 Compatible 7-Port Hub

Datasheet

SMSC USB2507 41 Revision 2.3 (08-27-07)

DATASHEET

ICLK Input Buffer

Low Input Level

High Input Level

Input Leakage

Hysteresis

ILCK

IHCK

HYSC

2.0

-10

0.8

+10

100

TTL Levels

= 0 to V

DD33

O12 and I/O12 Type Buffer

Low Output Level

High Output Level

Output Leakage

2.4

0.4

+10

= 12mA @ V

DD33

= 3.3V

= -4mA @ V

DD33

= 3.3V

= 0 to V

DD33

(Note 1)

OD12 Type Buffer

Low Output Level

Output Leakage

-10

0.4

+10

µA

= 12mA @ V

DD33

= 3.3V

= 0 to V

DD33

(Note 1)

I/OSD12 Type Buffer

Low Output Level

Output Leakage

Hysteresis

HYSI

-10

250 300

0.4

+10

350

µA

= 12 mA @ V

DD33

= 3.3V

= 0 to V

DD33

(Note 1)

IO-U

(Note 2)

I-R

(Note 3)

Supply Current Unconfig-

ured

High-Speed Host

Full-Speed Host

CCINIT

100

Supply Current

Configured

(High-Speed Host)

2 Ports @ FS/LS

2 Ports @ HS

1 Port HS, 1 Port FS/LS

4 Ports @ HS

7 Ports @ HS

HCC2

HCH2

HCH1C1

HCC4

HCC7

180

240

225

300

360

Total from all supplies

Table 7.1 DC Electrical Characteristics (continued)

PARAMETER SYMBOL MIN TYP MAX UNITS COMMENTS

1 2 ... 36 37 38 39 40 41 42 43 44

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SMSC USB2507 Manuel d'utilisateur Page 41

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