MIC2551A-2.5(2006) Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

MIC2551A-2.5
(Rev.:2006)

USB Transceiver

Micrel 

MIC2551A-2.5

Timing Diagrams

Test Circuits

OE#

VP/VM

D+/D–

TRANSMIT

tPVZ

tPZD

RECEIVE

tPDZ

tPZV

Figure 1. Enable and Disable Times

Differential

Data Lines

Rise Time

Fall Time

90%

10%

tR

90%

10%

tF

Figure 2. Rise and Fall Times

D+

VCRS

Differential

Data Lines

D–

VOH

tPLH

VCRS

tPHL

VOL

VSS

Figure 3. Receiver Propagation Delay

VOH

VOL

D+

tPLH

VCRS

Differential

Data Lines

D–

tPHL

VCRS

Figure 4. Driver Propagation Delay

D.U.T.

25pF

Figure 5. Load for VP, VM, RCV

VTRM

1.5k

D.U.T.

20

15k

CL

Figure 6. Load for D+, D–

M9999-031306

6

Micrel, Inc.

March 2006

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