3

ClockWorks™

PRELIMINARY

SY89801A

Micrel

PECL DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Min.

Typ.

Max.

Unit

Condition

Output HIGH Voltage

—

V

Output LOW Voltage

—

V

Input HIGH Voltage

—

V

Input LOW Voltage

—

V

PECL Threshold

—

—

V

Symbol

Parameter

Min.

Typ.

Max.

Unit

Condition

Power Supply Voltage

3.0

—

3.6

V

—

250

321

mA

3.3V DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Min.

Typ. Max. Min.

Typ. Max. Min.

Typ. Max. Unit

Condition

Maximum VCO Frequency

1320

—

—

1320

—

—

1320

—

—

MHz

Maximum PCLK Output Frequency

264

—

—

264

—

—

264

—

—

MHz

Maximum RCLK Output Frequency

132

—

—

132

—

—

132

—

—

MHz

PCLK to PCLK

—

—

±50

—

—

±50

—

—

±50

ps

Measured at

RCLK to RCLKLV

—

—

±100

—

—

±100

—

—

±100

ps

differential

PCLK to RCLK

—

—

±100

—

—

±100

—

—

±100

ps

crossover

PCLK (neg.) to USYNC

—

—

±500

—

—

±500

—

—

±500

ps

tpe

Phase Error

—

—

±250

—

—

±250

—

—

±250

ps

RCLK to REF_CLK

Output Jitter

–50

—

+50

–50

—

+50

–50

—

+50

ps

Peak to Peak,

Cycle to Cycle

Output Duty Cycle

49

—

51

49

—

51

49

—

51

%

tr

Rise/Fall Times

100

—

800

100

—

800

100

—

800

ps

tf

(20% to 80%)

NOTES:

1. All HSTL outputs terminated into 50 ohms in parallel with 3pf to GND.

(2)

HSTL DC ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Min.

Typ.

Max.

Unit

Condition

Output HIGH Voltage

—

V

Output LOW Voltage

—

V