5

ICS9178-03

AC Characteristics

Note 1: Parameter is guaranteed by design and characterization. Not tested 100% in production.

Note 2: For 70Ω Load, 2XPCLK level may be pulled-up with a 390Ω resistor to meet minimum pulse width requirements

at both 1.8V and 0.6V at 240 MHz.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNITS

Input Frequency (Note 1)

fi

8

40.0

50.0

MHz

Input Clock Rise time (Note 1)

ICLKr

-

-

3

ns

Input Clock Fall time (Note 1)

ICLKf

-

-

3

ns

Output Frequency (2XPCLK)

fo2XPCLK

6X mode, 8X mode

75

245

MHz

4X mode

75

240

Output Rise time, 0.8 to 2.0V 20%

to 80% (Note 1)

tr2XPCLK

15pF load

0.8 to 2.0V

-

-

1.0

ns

20% to 80%

-

-

1.5

Fall time 2.0 to 0.8 80% to 20%

(Note 1)

tf2XPCLK

15pF load

2.0 to 0.8V

-

-

1.0

ns

80% to 20%

1.5

Output Rise time 80% to 20%

(Note 1)

t(TTL)r

15pF load

-

-

3.0

ns

Output Fall time 80% to 20%

(Note 1)

t(TTL)f

15pF load

-

-

2.0

ns

Duty cycle 2XPCLK (Note 1)

dt1

200 to 240 MHz @ 1.4V 110

ohm, 15pF load

42.5

50

57.5

%

Pulse Width, High, 2XPCLK

(Note 1, 2)

Tpwr

@ 1.8V, 110

1.2

-

-

ns

Pulse Width, Low, 2XPCLK

(Note 1, 2)

Tpwr

@ 0.6V, 110

1.0

-

-

ns

Duty cycle ABCLK (Note 1)

dt3

15pF load @ 1.4V (8X mode)

70

75

80

%

Duty cycle ABCLK (Note 1)

dt4

15pF load @ 1.4V 6X mode

61

66

71

%

15pF load @ 1.4V 4X mode

45

50

55

Duty cycle TTL (other clocks)

(Note 1)

dt5

15pF load @ 1.4V

45

50

55

%

Jitter 1 Sigma 2XPCLK (10,000

samples) (Note 1)

Tj1s1

for 200 to 240 MHz on

2XPCLK

-40

-

ps

Jitter 1 Sigma 1XPCLK B & D

(10,000 samples) (Note 1)

Tj1s2

for 200 to 240 MHz on

2XPCLK

-50

-

ps

Jitter 1 Sigma AB clock (10,000

samples) (Note 1)

Tj1s3

for 200 to 240 MHz on

2XPCLK

-60

-

ps

Jitter Absolute 2XPCLK (Note 1)

Tjabs1

for 200 to 240 MHz on

2XPCLK

-150

80

+150

ps

Jitter Absolute 1XPCLK, B, D

clocks (Note 1)

Tjabs2

for 200 to 240 MHz on

2XPCLK

-200

110

+200

ps

Jitter Absolute AB clock (Note 1)

Tjabs3

for 200 to 240 MHz on

2XPCLK

-250

120

+250

ps