ICS952621 参数 Datasheet PDF下载

Integrated

Circuit

Systems, Inc.

ICS952621

Electrical Characteristics - 3V66 Mode: 3V66 [3:0]

T

A

= 0 - 70°C; V

DD

= 3.3V +/-5%; C

L

= 10-30 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

Long Accuracy

ppm

see Tperiod min-max values

66.66MHz output nominal

T

period

Clock period

66.66MHz output spread

I

OH

= -1 mA

V

OH

Output High Voltage

V

OL

I

OL

= 1 mA

Output Low Voltage

V

OH

= 1.0 V

I

OH

Output High Current

V

OH

= 3.135 V

V

OL

= 1.95 V

I

OL

Output Low Current

V

OL

= 0.4 V

Edge Rate

Rising edge rate

Edge Rate

Falling edge rate

V

OL

= 0.4 V, V

OH

= 2.4 V

t

r1

Rise Time

t

f1

V

OH

= 2.4 V, V

OL

= 0.4 V

Fall Time

d

t1

V

T

= 1.5 V

Duty Cycle

Skew

Jitter

1

2

MIN

-300

14.9955

14.9955

2.4

TYP

MAX

300

15.0045

15.0799

0.55

-33

-33

30

1

1

0.5

0.5

45

38

4

4

2

2

55

250

250

1.78

1.72

49.9

80

172

UNITS

ppm

ns

ns

V

V

mA

mA

mA

mA

V/ns

V/ns

ns

ns

%

ps

ps

Notes

1,2

2

2

1

1

1

1

1

1

1

t

sk1

t

jcyc-cyc

V

T

= 1.5 V

V

T

= 1.5 V 3V66

Guaranteed by design, not 100% tested in production.

All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at

14.31818MHz

Electrical Characteristics - PCICLK

T

A

= 0 - 70°C; V

DD

= 3.3V +/-5%; C

L

= 10-30 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

Long Accuracy

ppm

see Tperiod min-max values

-300

29.9910

33.33MHz output nominal

T

period

Clock period

29.9910

33.33MHz output spread

V

OH

I

OH

= -1 mA

Output High Voltage

2.4

V

OL

I

OL

= 1 mA

Output Low Voltage

V

OH

= 1.0 V

I

OH

Output High Current

V

OH

= 3.135 V

-33

V

OL

= 1.95 V

30

I

OL

Output Low Current

V

OL

= 0.4 V

Edge Rate

Edge Rate

Rise Time

Fall Time

Duty Cycle

Skew

Jitter

1

2

TYP

MAX

300

30.0090

30.1598

0.55

-33

t

r1

t

f1

d

t1

t

sk1

t

jcyc-cyc

Rising edge rate

Falling edge rate

V

OL

= 0.4 V, V

OH

= 2.4 V

V

OH

= 2.4 V, V

OL

= 0.4 V

V

T

= 1.5 V

V

T

= 1.5 V

V

T

= 1.5 V 3V66

1

1

0.5

0.5

45

1.78

1.72

51.2

59

140

38

4

4

2

2

55

500

250

UNITS

ppm

ns

ns

V

V

mA

mA

mA

mA

V/ns

V/ns

ns

ns

%

ps

ps

Notes

1,2

2

2

1

1

1

1

1

1

1

Guaranteed by design, not 100% tested in production.

All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at

14.31818MHz

0756A—09/10/04

6