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Part: EG-2021CA
Category:
Timing Circuits
-> Oscillators
Description: 2.5V Lvcmos Output Oscillator
Company: Epson Electronics America, Inc.
Datasheet: Download EG-2021CA datasheet File size : 71 kB
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Datasheet text preview:
EG-2021CA
2.5V LVCMOS Output Oscillator
Features · Generates high frequency clock from a high stability SAW (Surface Acoustic Wave) resonator. · 2.5V-CMOS output. · Very low jitter/low phase noise. · Small SMD in 7x5mm, Max1.4mm height, ceramic package. Applications · Ethernet, Fibre channel, InfiniBand, PCI-Express, RapidIO, Hypertransport, SONET etc. Absolute Maximum Ratings Item Supply Voltage Storage temperature Solder heat resistance Operating range Item Supply voltage Operating temperature Output load Frequency characteristics Item Output frequency Range Frequency Stability
Preliminary
Symbol VCC Tstg Tsol
Unit
MIN.
TYP.
MAX. +4.0 +100
Condition VDD GND Stored as bare product.
V -0.5 °C -40 Max. 240°C x Max. 10s x 2 times
Symbol VDD Topr CL
Unit V °C pF
MIN. 2.375 0 -5
TYP. 2.5
MAX. 2.625 +70 +85 15 P version R version
Condition
Symbol fosc df/f0
Unit MHz ppm
MIN. 62.5
TYP.
(VDD=2.375 to 2.625,GND=0.0V,Load=Max,) MAX. Condition
170 +/-100 H stability, *1 +/-50 G stability, *1 *1 This includes initial frequency tolerance, temperature, supply voltage variation and loading variation. Electrical characteristics Item Start up time Current consumption (VDD=2.375 to 2.625,GND=0.0V,Load=Max) MAX. Condition 10 TBD TBD 0.6 TBD TBD 55 t=0 at VDD=2.375V CL=15pF No Load OE=GND 20-80% of (VOH-VOL) 80-20% of (VOH-VOL) at 50% VDD IOH=-8mA IOL=8mA OE Terminal OE Terminal RMS, @62.5 to 170MHz RMS, @125MHz of Random Jitter Peak to Peak of jitter distribution of Total jitter distribution
Symbol Tosc I OP
Unit ms mA mA mA ns ns
MIN.
TYP. 20 15
Output disable current IOE Rise time t T LH 1.0 Fall time tTHL 1.0 Duty tw/t 45 High level output voltage VO H V VDD -0.4 Low level output voltage VOL V 0.4 High level input voltage VIH V 0.7VDD Low level input voltage VI L V 0.3VDD -3 Phase Jitter *2 tPJ UI 0.027x10 12KHz to 20MHz offset ps 0.21 Period Jitter *3 tRJ ps 3 4 n=50000 samples tp-p ps 25 40 Accumulated Jitter *3 tacc ps 4 5 n=2 to 50000 cycles *2 Measured by SSB phase noise test equipment. *3 Measured by Time interval analyzer or oscilloscope.
EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com
EG2021 Rev.0.6 35I
Test circuit
IOUT A By-pass capacitor Power Supply OE Input OE
1 4 3
Test Point
VDD
OU T CL=MAX Probe Cap. included GND
2
OE High or Open Low
Out Enable Disable
Timing chart
t TL H tTHL VDD 80%VDD 50%VDD 20%VDD VOH VOL t Duty=tw/t x 100% GND
tw
External Dimensions ( Unit : mm ) ç ç
7.0±0.2 #4 #3
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5.08
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4 - 1.10
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ç Recommended solder pattern
1.2± 0.2 #3
#4
1 .8
E EG-2021 125.000C O HPA21MA
#1 #2 #2
5.0 ±0.2
#4
#3
2 - 2.60
#1
4 .2
4-1.4
4-(0.65)
No. #1 #2 #3 #4
Pin Name OE GND OUT VDD
#1 5 .0 8
#2 Unit: mm
EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com
EG2021 Rev.0.6 35I
2 .0
Part Numbering Guide *4 EG-2021CA - (Frequency)M - C H P A Stability condition Temperature Range Frequency Stability Output Output Frequency *4: *5: CGRA is not available. CGxx and CxRx are not available below 100MHz. A: Including 10yrs Aging P: 0 to +70C H: +/-100ppm N: Excluding Aging
R: - 5 to +85C G: +/-50ppm
C: 2.5V LVCMOS : see Standard frequency list (4-Digit accuracy)
Developed Frequency List and Available Part No. Combinations: Frequency 62.5000 64.0000 66.4063 66.5000 66.6667 71.5000 75.0000 77.7600 78.1250 80.0000 80.5664 83.0000 83.3143 87.5000 90.0000 98.3040 100.0000 106.2500 108.0000 125.0000 128.0000 132.8125 133.0000 133.3333 143.0000 150.0000 155.5200 156.2500 159.3750 160.0000 161.1328 164.3555 166.0000 166.6286 167.3316 Part No. Suffix Available CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN CHPA, CHPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN CHPA, CHPN CHPA, CHPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN CHPA, CHPN CHPA, CHPN, CHRA, CHRN, CGPN CHPA, CHPN, CHRA, CHRN, CGPN
EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com
EG2021 Rev.0.6 35I
Others parts begin by eg
EG-1 EG-2
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