Philips Semiconductors

Product specification

PCK2020

CK00 (100/133MHz) spread spectrum

differential system clock generator

2000 Nov 13

9

AC CHARACTERISTICS

HOST CLOCK OUTPUTS (SEE FIGURE 1 FOR WAVEFORMS AND FIGURE 6 FOR TEST SETUP)

SYMBOL

PARAMETER

LIMITS

UNITS

NOTES

SYMBOL

PARAMETER

133 MHz MODE

100 MHZ MODE

UNITS

NOTES

MIN

MAX

MIN

MAX

HOST CLK period

7.5

7.65

10.0

10.2

ns

11, 14, 20

AbsMinPeriod

Absolute Minimum Host CLK Period

7.35

N/A

9.85

N/A

ns

11, 14, 20

HOST CLK rise time

175

700

175

700

ps

11, 15, 20

HOST CLK fall time

175

700

175

700

ps

11, 15, 20

HOST CLK cycle-to-cycle jitter

200

200

ps

11, 12, 14, 20

DUTY CYCLE

Output duty cycle

45

55

45

55

%

11, 14, 20

HOST CLK pin-to-pin skew

150

150

ps

11, 14, 20

Rise/Fall Matching

Rise and fall time matching

35%

35%

11, 16, 20

Vcrossover

V

11, 14, 20

MREF OUTPUTS

SYMBOL

PARAMETER

LIMITS

UNITS

NOTES

SYMBOL

PARAMETER

133 MHz MODE

100 MHz MODE

UNITS

NOTES

MIN

MAX

MIN

MAX

MREF period

15.0

15.3

20.0

20.4

ns

2, 9, 20

MREF HIGH time

5.25

N/A

7.5

N/A

ns

5, 10, 20

MREF LOW time

5.05

N/A

7.3

N/A

ns

6, 10, 20

MREF rise time

0.5

2.0

0.5

2.0

ns

8, 20

MREF fall time

0.5

2.0

0.5

2.0

ns

8, 20

Cycle-to-cycle jitter

250

250

ps

18, 20

DUTY CYCLE

Output Duty Cycle

45

55

45

55

%

18, 20

3V66 OUTPUTS

SYMBOL

PARAMETER

LIMITS

UNIT

NOTES

SYMBOL

PARAMETER

133 MHz MODE

100 MHz MODE

UNIT

NOTES

MIN

MAX

MIN

MAX

3V66 period

15.0

16.0

15.0

16.0

ns

2, 4, 9, 20

3V66 HIGH time

5.25

N/A

5.25

N/A

ns

5, 10, 20

3V66 LOW time

5.05

N/A

5.05

N/A

ns

6, 10, 20

3V66 rise time

0.5

2.0

0.5

2.0

ns

8, 20

3V66 fall time

0.5

2.0

0.5

2.0

ns

8, 20

Cycle-to-cycle jitter

300

300

ps

18, 20

DUTY CYCLE

Output Duty Cycle

45

55

45

55

%

18, 20

Pin-to-pin skew

250

250

ps

20