Micrel, Inc.

SY89228U

August 2007

M9999-080707-A

6

AC Electrical Characteristics

(8)

Symbol

Parameter

Condition

Min

Typ

Max

Units

Maximum Input Operating

Frequency

1.0

1.5

GHz

tw

Minimum Pulse Width

IN, /IN

400

ps

Differential Propagation Delay

In-to-Q

900

1150

1500

ps

In-to-Q

800

1050

1400

ps

/MR(H-L)-to-Q

350

570

850

ps

Reset Recovery Time

/MR(L-H)-to-IN

300

ps

Set-up Time

EN-to-IN Note 10

300

ps

Hold Time

IN-to-EN Note 10

800

ps

Part-to-Part Skew

Note 10

450

ps

Clock

Random Jitter

Note 11

1

Cycle-to-Cycle Jitter

Note 12

1

Total Jitter

Note 13

10

Output Rise/Fall Time (20% to

80%)

At full output swing.

100

270

ps

Output Duty Cycle(÷ 3)

Duty Cycle(input): 50%; f ≤1GHz;

Note 14

46

54

%

Output Duty Cycle(÷ 5)

Duty Cycle(input): 50%; f ≤1GHz;

Note 14

47

53

%

Notes:

8. High-frequency AC-parameters are guaranteed by design and characterization.

for details.

10. Set-up and hold times apply to synchronous applications that intend to enable/disable before the next clock cycle. For asynchronous

applications, set-up and hold do not apply.

output signal.

than the specified peak-to-peak jitter value.

14. For Input Duty Cycle different from 50%, see “Output Duty Cycle Equation” in “Functional Description” subsection.