15

Integrated

Circuit

Systems, Inc.

ICS950202

0461L—05/28/03

Electrical Characteristics - VCH, 48MHz DOT, 48MHz, USB

TA = 0 - 70C; VDD = 3.3V +/-5%; CL= 10-30pF (unlessotherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Frequency

VO = VDD*(0.5)

48.008

MHz

Output Impedance

1

VO = VDD*(0.5)

12

55

Ω

Output High Voltage

2.4

3.1

V

Output Low Voltage

0.19

0.55

V

-29

-42

-6

-23

mA

29

56

24

27

mA

48DOT Rise Time

1

0.5

0.93

1

ns

48DOT Fall Time

1

0.5

0.81

1

ns

Duty Cycle-48 DOT

1

45

52.4

55

%

VCH 48 USB -Rise Time

1

1

1.7

2

ns

VCH 48 USB -Fall Time

1

1

1.4

2

ns

Duty Cycle-48 USB

1

45

52.9

55

%

48 DOT to 48 USB Skew

1

187

1

ns

Jitter

1

207

350

ps

1Guarenteed by design, not 100% tested.

Output High Current

Output Low Current

Electrical Characteristics- REF

TA = 0 - 70C; VDD = 3.3V+/- 5%; CL= 10-30pF (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Frequency

14.318

MHz

Output Impedance

1

20

60

Ω

Output High Voltage

2.4

V

Output Low Voltage

0.17

0.55

V

Output High Current

=3.135V

-33

-33

mA

30

60

23

38

mA

Rise Time

1

1.7

2

ns

Fall Time

1

1.4

2

ns

Duty Cycle

45

54.5

55

%

Jitter

400

1000

ps

Output Low Current