USB97CFDC2-01 查看數據表（PDF） - SMSC -> Microchip

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USB97CFDC2-01

USB Floppy Disk Controller

SMSC -> Microchip 

TPERIOD

Differential

Data Lines

TJR

TJR1

TJR2

Consecutive

Transitions

N * TPERIOD + TJR1

Paired

Transitions

N * TPERIOD + TJR2

FIGURE 8 - RECEIVER JITTER TOLERANCE

Table 5 - Full Speed (12Mbps) Source Electrical Characteristics

CONDITIONS

PARAMETER

SYM

(NOTE 1, 2, 3)

MIN TYP

MAX

Driver Characteristics

Transition Time:

Note 4,5 and

FIGURE 5

Rise Time

TR

CL = 50 pF

4

20

Fall Time

Rise/Fall Time Matching

Output Signal

Crossover Voltage

Drive Output Resistance

Data Source Timing

Full Speed Data Rate

TF

TRFM

VCRS

ZDRV

TDRATE

Frame Interval

Source Differential

Driver Jitter

To next Transition

For Paired Transitions

Source EOP Width

Differential to EOP

transition Skew

Receiver Data Jitter

Tolerance

TFRAME

TDJ1

TDJ2

TEOPT

TDEOP

CL = 50 pF

(TR/TF)

Steady State Drive

Ave. Bit Rate

(12 Mb/s +/-

0.25%) Note 8

1.0 ms +/- 0.05%

Note 6, 7 and

FIGURE 6

Note 7 and

FIGURE 7

Note 7 and

FIGURE 7

Note 7 and

FIGURE 8

4

90

1.3

28

11.95

0.999

5

-3.5

-4.0

160

-2

20

110

2.0

43

12.03

1.0005

3.5

4.0

175

5

To next Transition

For Paired Transitions

TJR1

TJR2

-18.5

18.5

-9

9.0

EOP Width at receiver

Note 7 and

FIGURE 7

Must reject as EOP

Must Accept

TEOPR1

40

TEOPR2

82

SMSC DS – USB97CFDC2-01

Page 22

DATASHEET

UNIT

ns

ns

%

V

Ω

Mbs

ms

ns

ns

ns

ns

ns

ns

ns

ns

Rev. 02-27-07

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