HC2509C

March 1999

5

Table 6. Switching Characteristics Over Recommended Ranges of Supply

Vcc = 3.3V

±0.165V

Vcc =

3.3V

±0.3V

Parameter

From(Input)

TO(Output)

Min

Typ

Max

Min Typ Max

Unit

66MHz < CLKIN

↑<

100MHz

FBIN

↑

-150

-150

ps

♣

(normalized)

CLKIN

↑ = 100MHz

FBIN

↑

-50

50

ps

Any Y of FBOUT

Any Y or

FBOUT

200

ps

CLKIN

> 66MHz

Any Y or

FBOUT

-100

100

ps

Duty Cycle

CLKIN

> 66MHz

Any Y or

FBOUT

45

55

%

Any Y or

FBOUT

1.3

1.9

0.8

2.1

ns

Any Y or

FBOUT

1.7

2.5

1.2

2.7

ns

♣ Phase error does not include jitter.

Figure 1. Load Circuit and Voltage Waveforms

Notes: 1. All input pulses are supplied by generators having

the following characteristics: PRR

≤ 100MHz, Z

o

=50

Ω, t

2.The outputs are measured one at a time with one

transition per measurement.

30pF

500§Ù

From Output Under Test

Input

Output

50% V

cc

50% V

cc

3V

0V

tpd

0.4V

0.4V

tr

tf

2V

2V

Load Circuit For Outputs

Voltage Waveforms

Propagation Delay Times