Ultra Low Power 32.768KHz

MEMS Oscillator

2 of 5

CMC208-SERIES

R A L T R O N E L E C T R O N I C S

phone: +1-305-593-6033  fax: +1-305-594-3973  e-mail: sales@raltron.com  internet: http://www.raltron.com

PARAMETER

SYMBOL

CONDITION

VALUE

Min

Typ.

Max

UNIT

Output Levels

0.9 Vs

V

0.1Vs

V

Duty Cycle

DC

48

52

%

Rise/ Fall Time

Tr/ Tf

10-90% Vs, 15 pF Load, Vs=1.5V to 3.63V

10-

90% Vs, 5 pF Load, Vs≥1.62V

100

200

50

ns

ns

PARAMETER

SYMBOL

CONDITION

VALUE

Min

Typ.

Max

UNIT

Output Levels

DC bias programmable output voltage

High range

See Table 1

0.6 to 1.225

V

DC bias programmable output voltage

Low range

See Table 1

0.35 to 0.80

V

Duty Cycle

DC

48

52

%

Rise/ Fall Time

Tr/ Tf

30-70%(

200

ns

AC- couple Programmable

Output Swing

V sw

Vs= 1.5V ~ 3.63V, 10 pF Load ,

This output is intended for a receiver that

is AC- coupled, see table 1

0.20 to 0.80

V

Programmable Output Voltage Swing

Tolerance

-0.055

0.055

V

Period Jitter RMS

J p

35

ns

Swing ( mV )

D26

1.2

0.6

600±55

1.8V logic compatible

D14

1.1

0.4

700±55

1.8V logic compatible

D74

0.7

0.4

300±55

XTAL compatible

AA3

-

-

300±55

XTAL compatible

OUTPUT CHARACTERISTICS