32.7680KHZXO2520-25-B datasheet, PDF

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32.7680KHZXO2520-25-B: DescriptionCMOS Output Clock Oscillator, 0.032768MHz Nom,; CategoryPassive components oscillator; File Size207KB，1 Pages; ManufacturerEuroquartz; Websitehttp://www.euroquartz.co.uk/

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32.7680KHZXO2520-25-B Overview

CMOS Output Clock Oscillator, 0.032768MHz Nom,

32.7680KHZXO2520-25-B Parametric

Parameter Name	Attribute value
Maker	Euroquartz
Reach Compliance Code	compli
Other features	ENABLE/DISABLE FUNCTION
maximum descent time	6 ns
Frequency Adjustment - Mechanical	NO
frequency stability	25%
Installation features	SURFACE MOUNT
Nominal operating frequency	0.032768 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	CMOS
Output load	15 pF
physical size	2.5mm x 2.0mm x 0.9mm
longest rise time	6 ns
Maximum supply voltage	2.625 V
Minimum supply voltage	2.375 V
Nominal supply voltage	2.5 V
surface mount	YES
maximum symmetry	55/45 %

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EURO

QUARTZ

Low Power AT-Cut Clock Oscillator

FEATURES

AT-Cut crystal for excellent temperature stability

Low power consumption: 80µA typical at 15pF load

Wide supply voltage: +1.8 V to 5.0 Volts

Stability ±20ppm, 25ppm or ±30ppm

Fast start-up time

Micro-miniature 2.5mm x 2.0mm package

XO2520 OSCILLATOR

32.768kHz

OUTLINE & DIMENSIONS

DESCRIPTION

XO2520 oscillators utilise AT-Cut crystals providing much improved,

tight frequency stability as opposed to that stabiity provided by

32.768kHz oscillators using the more usual X-Cut (tuning fork)

crystals. The tight control of frequency provided by these oscillators

results in a typical variation of 52 seconds for one month of

continuous operation as against 260 seconds over the same period

for oscillators that use tuning fork crystals.Other benefits include low

supply current consumption coupled with quick start-up times.

SPECIFICATION

Frequency:

Frequency stability*

Operating Temperature Range:

Storage Temperature Range:

Input Voltage:

Input Current:

Output Symmetry:

Rise/Fall Times:

Logic Low '0' Level (Vol):

Logic High '1' Level (Voh):

Output Load:

Start-up Time:

Ageing:

Enable/Disable Delay Time*:

NOTE

32.7680kHz

±20ppm, ±25ppm, ±30ppm

(Overall conditions)

-40° to +85°C

-55° to +125°C

+1.8 Volts to 5.0 Volts ±5%

100µA maximum (80µA typical)

45% to 55% at ½ Vdd level

6ns maximum (10% to 90%Vdd)

10% Vdd maximum

90% Vdd minimum

CMOS 15pF maximum

1ms maximum

±3ppm max. at 25±3°C 1st year

100ns maximum

INPUT CURRENT vs. VDD

STABILITY OVER TEMPERATURE

(High stability over -40° to +85°C for XO2025 AT-Cut Type)

PART NUMBERS

XO2520 oscillators part numbers are ordered as follows:

32.7680kHz XO2520 - 25 - B

Frequency

32.768kHz

Model Number

XO2520

Stability in ppm

20, 25 or 30ppm

Supply Voltage

Blank = 5.0 Volts

A = 3.3 Volts

B = 2.5 Volts

C = 1.8 Volts

EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk

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Description	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	CMOS Output Clock Oscillator, 0.032768MHz Nom,	Oscillator, 0.032768MHz Nom,	Oscillator, 0.032768MHz Nom,
Maker	Euroquartz	Euroquartz	Euroquartz	Euroquartz	Euroquartz	Euroquartz	Euroquartz	Euroquartz	Euroquartz	Euroquartz
Reach Compliance Code	compli	compli	compli	compli	compli	compli	compli	compli	compli	compli
Installation features	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT	SURFACE MOUNT
Nominal operating frequency	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz	0.032768 MHz
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Nominal supply voltage	2.5 V	5 V	3.3 V	2.5 V	1.8 V	5 V	3.3 V	1.8 V	5 V	2.5 V
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES	YES
Other features	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	ENABLE/DISABLE FUNCTION	-	-
maximum descent time	6 ns	6 ns	6 ns	6 ns	6 ns	6 ns	6 ns	6 ns	-	-
Frequency Adjustment - Mechanical	NO	NO	NO	NO	NO	NO	NO	NO	-	-
frequency stability	25%	20%	20%	20%	20%	25%	25%	25%	-	-
Oscillator type	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	-	-
Output load	15 pF	15 pF	15 pF	15 pF	15 pF	15 pF	15 pF	15 pF	-	-
physical size	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	2.5mm x 2.0mm x 0.9mm	-	-
longest rise time	6 ns	6 ns	6 ns	6 ns	6 ns	6 ns	6 ns	6 ns	-	-
Maximum supply voltage	2.625 V	5.25 V	3.465 V	2.625 V	1.89 V	5.25 V	3.465 V	1.89 V	-	-
Minimum supply voltage	2.375 V	4.75 V	3.135 V	2.375 V	1.71 V	4.75 V	3.135 V	1.71 V	-	-
maximum symmetry	55/45 %	55/45 %	55/45 %	55/45 %	55/45 %	55/45 %	55/45 %	55/45 %	-	-

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