CMC20218CU2N-32.768MHZ datasheet, PDF

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CMC20218CU2N-32.768MHZ: DescriptionHCMOS Output Clock Oscillator; CategoryPassive components oscillator; File Size727KB，6 Pages; ManufacturerRaltron; Websitehttp://www.raltron.com/; Environmental Compliance

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CMC20218CU2N-32.768MHZ Overview

HCMOS Output Clock Oscillator

CMC20218CU2N-32.768MHZ Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	7112566828
package instruction	SMD, 4 PIN
Reach Compliance Code	compliant
Frequency Adjustment - Mechanical	NO
frequency stability	50%
Installation features	SURFACE MOUNT
Nominal operating frequency	32.768 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-20 °C
Oscillator type	LVCMOS
Output load	15 pF
physical size	2.0mm x 1.6mm x 0.75mm
Maximum supply voltage	1.89 V
Minimum supply voltage	1.71 V
Nominal supply voltage	1.8 V
surface mount	YES
maximum symmetry	55/45 %

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MEMS Standard

Frequency Oscillator

Page 1 of 6

CMC202-SERIES

■ Low Power Consumption of 3.5mA typical at 1.8V

■ 52 Standard frequencies between 3.57MHz and 77.760 MHz

■ HCMOS/ LVCMOS compatible output

■ SMD package 2.0 x 1.6 mm

ELECTRICAL SPECIFICATIONS

PARAMETER

SYMBOL

CONDITION

Min.

VALUE

Typ.

Max.

77.760

3.3

3.5

3.7

3.8

-20

-40

4.1

4.2

4.5

+70

+85

+20

+25

+50

UNIT

Frequency Range

Supply Voltage

52 standard frequencies between

3.57MHz and 77.760MHz

Vs ±5%

Vs = 1.8V,

=20MHz, no load

Vs = 2.5V,

=20MHz, no load

Vs = 2.8V,

=20MHz, no load

Vs = 3.3V,

=20MHz, no load

3.57

1.8

MHz

C

°C

ppm

Supply Current

Operating Temperature

Including First Year aging, initial

frequency tolerance at 25°C,

Frequency stability over

temperature range, supply variation,

load variation

Enable = Open or“1”(V

≥0.75Vs)

( output signal active )

Disable = GND or “0”(V

<0.25Vs )

( output high impedance, oscillator

operates )

Standby = GND or “0” V

<0.25Vs )

( output weakly pulled down,

oscillator sleep mode )

Frequency Stability

Δf/f

-20

-25

-50

0.75Vs

0.25Vs

Enable / Disable/ Standby Function

E/D/St

0.25Vs

Enable / Disable Time

E/D

=110MHz

Vs=1.8V, E/D =GND

Vs=2.5V to 3.3V, E/D =GND

Output in high impedance state

STBY=GND,Vs=1.8V

STBY=GND,Vs=2.5V

STBY=GND,Vs=2.8V to 3.3V

Output is weakly pulled down

0.2

1.1

2.1

1.3

2.5

4.3

130

4.0

4.2





Enable / Disable Current

E/D

Standby Current

Istby

Startup Time

RMS Phase Jitter

RMS Period Jitter

Peak to Peak Period Jitter

PK-PK

=75MHz,BW 900KHz to 7.5MHz

=75MHz,BW 12KHz to 20MHz

=75MHz

=75MHz,Vs=2.5 to 3.3V

=75MHz, Vs=1.8V

0.5

1.3

1.8

0.9

2.0

RALTRON ELECTRONICS



10400 N.W . 33



Miam i, Florida 33172



U.S.A.

phone: +1-305-593-6033



fax: +1-305-594-3973



e-mail: sales@raltron.com



internet: http://www.raltron.com

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