Micrel, Inc.

SY69753AL

August 2007

5

M9999-082107-E

hbwhelp@micrel.com or (408) 955-1690

AC Electrical Characteristics

VCC = VCCO = VCCA = 3.3V ±5%; TA = –40°C to +85°C, unless otherwise noted.

Symbol

Parameter

Condition

Min

Typ

Max

Units

fVCO

VCO Center Frequency

fREFCLK x Byte Rate

720

1250

MHz

∆fVCO

VCO Center Frequency

Tolerance

Nominal

5

%

tACQ

Acquisition Lock Time

50Ω to VCC-2V

15

µs

tCPWH

REFCLK Pulse Width HIGH

50Ω to VCC-2V

4

ns

tCPWL

REFCLK Pulse Width LOW

VIN = VIL (Min)

4

ns

tir

REFCLK Input Rise Time

0.5

2

ns

tODC

Output Duty Cycle (RCLK/TCLK)

45

55

% of

UI

tr, tf

ECL Output Rise/Fall Time

(20% to 80%)

50Ω to VCC-2

100

400

ps

tSKEW

Recovered Clock Skew

-200

+200

ps

tDV

Data Valid

1/(2xfRCLK) -200

ps

tDH

Data Hold

1/(2xfRCLK) -200

ps

Timing Waveforms