13

ICS9LPRS355

Datasheet

1205—06/24/14

AC Electrical Characteristics - Input/Common Parameters

PARAMETER

SYMBOL

CONDITIONS

MIN

MAX

UNITS

Notes

Clk Stabilization

T

STAB

From VDD Power-Up or de-

assertion of PD# to 1st clock

1.8

ms

1

Tdrive_SRC

T

DRSRC

SRC output enable after

PCI_STOP# de-assertion

15

ns

1

Tdrive_PD#

T

DRPD

Differential output enable after

PD# de-assertion

300

us

1

Tdrive_CPU

T

DRSRC

CPU output enable after

CPU_STOP# de-assertion

10

ns

1

Tfall_PD#

T

FALL

5ns

1

Trise_PD#

T

RISE

5ns

1

Fall/rise time of PD#, PCI_STOP#

and CPU_STOP# inputs

AC Electrical Characteristics - Low Power Differential Outputs

PARAMETER

SYMBOL

CONDITIONS

MIN

MAX

UNITS

NOTES

Rising Edge Slew Rate

t

SLR

Differential Measurement

2.5

8

V/ns

1,2

Falling Edge Slew Rate

t

FLR

Differential Measurement

2.5

8

V/ns

1,2

Slew Rate Variation

t

SLVAR

Single-ended Measurement

20

%

1

Maximum Output Voltage

V

HIGH

Includes overshoot

1150

mV

1

Minimum Output Voltage

V

LOW

Includes undershoot

-300

mV

1

Differential Voltage Swing

V

SWING

Differential Measurement

300

mV

1

Crossing Point Voltage

V

XABS

Single-ended Measurement

300

550

mV

1,3,4

Crossing Point Variation

V

XABSVAR

Single-ended Measurement

140

mV

1,3,5

Duty Cycle

D

CYC

Differential Measurement

45

55

%

1

CPU Jitter - Cycle to Cycle

CPUJ

C2C

Differential Measurement

85

ps

1

SRC Jitter - Cycle to Cycle

SRCJ

C2C

Differential Measurement

125

ps

1

DOT Jitter - Cycle to Cycle

DOTJ

C2C

Differential Measurement

250

ps

1

CPU[1:0] Skew

CPU

SKEW10

Differential Measurement

100

ps

1

CPU[2_ITP:0] Skew

CPU

SKEW20

Differential Measurement

150

ps

1

SRC[10:0] Skew

SRC

SKEW

Differential Measurement

TBD

ps

1

Electrical Characteristics - 27MHz_Spread / 27MHz_NonSpread

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Notes

-50

50

1,2

-15

15

1,2,3

Clock period

T

peri od

27.000MHz output nominal

37.0365

37.0376

Output High Voltage

V

OH

I

OH = -1 mA

2.4

V

1

Output Low Voltage

V

OL

I

OL = 1 mA

0.55

V

1

V

OH @MIN = 1.0 V

-29

mA

1

V

OH@MAX = 3.135 V

-23

mA

1

V

OL @ MIN = 1.95 V

29

mA

1

V

OL @ MAX = 0.4 V

27

mA

1

Edge Rate

t

slewr/f

Rising/Falling edge rate

1

4

V/ns

1

Rise Time

t

r1

V

OL = 0.4 V, VOH = 2.4 V

0.5

2

ns

1

Fall Time

t

f1

V

OH = 2.4 V, VOL = 0.4 V

0.5

2

ns

1

Duty Cycle

d

t1

V

T = 1.5 V

45

55

%

1

t

ltj

Long Term (10us)

800

ps

1

t

jpk-pk

-200

200

ps

1

t

jcyc-cyc

V

T = 1.5 V

200

ps

1

Long Accuracy

ppm

see Tperiod min-max values

ppm

Output High Current

I

OH

Output Low Current

I

OL

3 At nominal voltage and temperature

Jitter

*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 20 pF with Rs = 7

Ω

1Guaranteed by design and characterization, not 100% tested in production.

2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz