8

ICS951403

0486B—02/23/04

Electrical Characteristics - REF

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output High

Voltage

VOH5

IOH = -18mA

2.4

V

Output Low Voltage

VOL5

IOL = 18mA

0.4

V

Output High Current

IOH5

V OH = 2.0 V,

-19

mA

Output Low Current

IOL5

VOL = 0.8V

19

mA

Rise Time

tr5

VOL = 0.4 V, VOH = 2.4 V

0.85

4

ns

Fall Time

tf5

VOH = 2.4 V, VOL = 0.4 V

1.03

4

ns

Duty Cycle

dt1

1

VT = 50%

45

54

55

%

Jitter

tjcyc-cyc5

VT = 1.5 V

521

1000

ps

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

Electrical Characteristics - CPU (Open Drain)

TA = 0 - 70°C; VDD=3.3V +/-5%; CL = 2pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Impedance

Zo

VO = Vx

Ω

Output High

Voltage

VOH2B

Termination to Vpull_up (external)

1

1.2

V

Output Low

Voltage

VOL2B

Termination to Vpull_up (external)

0.4

Output Low

Current

IOL2B

VOL = 0.3V

18

mA

Fall Time

tf2B

VOH = 1.2V VOL = 0.3V

0.8

0.9

ps

Differential

voltage_AC

VDIF

Note 2

Vtpullup

(external)+0

.6

ps

Differential

voltage_DC

VDIF

Note 2

Vtpullup

(external)+0

.6

ps

Differential

Crossover Voltage

VX

True rise to compl. Fall

1.37

1.5

V

Duty Cycle

dt2B

VT = 50%

45

49.3

55

%

Skew

tsk2B

VT = 50%

48

200

ps

Jitter, Cycle to cycle

tjcyc-cyc

1

VT = Vx

130

250

ps

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

2 V

DIF specifies the minimum input differential voltages (VTR-VCP) required for switching, where VTR is the "true"

input level and VCP is the "complement" input level.