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32.7680KHZXO2520-20-C

Description
CMOS Output Clock Oscillator, 0.032768MHz Nom,
CategoryPassive components    oscillator   
File Size207KB,1 Pages
ManufacturerEuroquartz
Websitehttp://www.euroquartz.co.uk/
Download Datasheet Parametric Compare View All

32.7680KHZXO2520-20-C Overview

CMOS Output Clock Oscillator, 0.032768MHz Nom,

32.7680KHZXO2520-20-C Parametric

Parameter NameAttribute value
MakerEuroquartz
Reach Compliance Codecompli
Other featuresENABLE/DISABLE FUNCTION
maximum descent time6 ns
Frequency Adjustment - MechanicalNO
frequency stability20%
Installation featuresSURFACE MOUNT
Nominal operating frequency0.032768 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeCMOS
Output load15 pF
physical size2.5mm x 2.0mm x 0.9mm
longest rise time6 ns
Maximum supply voltage1.89 V
Minimum supply voltage1.71 V
Nominal supply voltage1.8 V
surface mountYES
maximum symmetry55/45 %
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

32.7680KHZXO2520-20-C Related Products

32.7680KHZXO2520-20-C 32.7680KHZXO2520-20 32.7680KHZXO2520-20-A 32.7680KHZXO2520-20-B 32.7680KHZXO2520-25 32.7680KHZXO2520-25-A 32.7680KHZXO2520-25-B 32.7680KHZXO2520-25-C 32.768KHZXO2520-25 32.768KHZXO2520-25-B
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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 1.8 V 5 V 3.3 V 2.5 V 5 V 3.3 V 2.5 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 20% 20% 20% 20% 25% 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 1.89 V 5.25 V 3.465 V 2.625 V 5.25 V 3.465 V 2.625 V 1.89 V - -
Minimum supply voltage 1.71 V 4.75 V 3.135 V 2.375 V 4.75 V 3.135 V 2.375 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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