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Datasheet: EG-2021CA (Epson Company)

2.5V Lvcmos Output Oscillator

 

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Epson Company
EG2021 Rev.0.6 35I
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 Symbol
Unit
MIN.
TYP.
MAX. Condition
Supply Voltage
V
CC
V -0.5 +4.0
V
DD
GND
Storage temperature
Tstg
C
-40
+100
Stored as bare product.
Solder heat resistance
Tsol
Max. 240
C x Max. 10s x 2 times
Operating range
Item Symbol
Unit
MIN.
TYP.
MAX. Condition
Supply voltage
V
DD
V 2.375 2.5 2.625
0 +70
P
version
Operating temperature
Topr
C
-5 +85
R
version
Output load
CL
pF
15
Frequency characteristics (V
DD
=2.375 to 2.625,GND=0.0V,Load=Max,)
Item Symbol
Unit
MIN.
TYP.
MAX. Condition
Output frequency Range
fosc
MHz
62.5
170
+/-100
H stability, *1
Frequency Stability
df/f0
ppm
+/-50
G stability, *1
*1 This includes initial frequency tolerance, temperature, supply voltage variation and loading variation.
Electrical characteristics (V
DD
=2.375 to 2.625,GND=0.0V,Load=Max)
Item Symbol
Unit
MIN.
TYP.
MAX. Condition
Start up time
Tosc
ms
10
t=0 at V
DD
=2.375V
mA 20 TBD
CL=15pF
Current consumption
I
OP
mA 15 TBD
No
Load
Output disable current
I
OE
mA
0.6
OE=GND
Rise time
t
TLH
ns
1.0
TBD
20-80% of (VOH-VOL)
Fall time
t
THL
ns
1.0
TBD
80-20% of (VOH-VOL)
Duty
tw/t
45
55
at 50% V
DD
High level output voltage
V
OH
V V
DD
-0.4
IOH=-8mA
Low level output voltage
V
OL
V
0.4
IOL=8mA
High level input voltage
V
IH
V 0.7V
DD
OE
Terminal
Low level input voltage
V
IL
V
0.3V
DD
OE
Terminal
UI
0.027x10
-3
RMS, @62.5 to 170MHz
Phase Jitter *2
12KHz to 20MHz offset
t
PJ
ps 0.21
RMS,
@125MHz
t
RJ
ps
3
4
of Random Jitter
Period Jitter *3
n=50000 samples
tp-p
ps
25
40
Peak to Peak of jitter distribution
Accumulated Jitter *3
n=2 to 50000 cycles
tacc ps
4
5
of Total jitter distribution
*2 Measured by SSB phase noise test equipment. *3 Measured by Time interval analyzer or oscilloscope.
EPSON ELECTRONICS AMERICA, INC.
www.eea.epson.com
Preliminary
EG2021 Rev.0.6 35I
Test circuit
Timing chart
External Dimensions ( Unit : mm )
Recommended solder pattern







4-1.4
E EG-2021
125.000C
O HPA21MA
No.
#1
#2
#3
#4
Pin Name
OE
GND
OUT
V
DD
7.0
0.2
5.08
1.2
0.2
5.
0
0.
2
4
-(0
.
6
5
)
2
-

2.
60
4 -

1
.
10
#4
#3
#1
#2
#2
#1
#4
#3
#4
#1
#2
2.
0
5.08
1.8
#3
4.
2
Unit: mm
OE Input
By-pass
capacitor
Power
Supply
OUT
I
OUT
OE
3
4
2
1
GND
VDD
CL=MAX
Probe Cap. included
Test Point
A
OE Out
High or Open Enable
Low Disable
50%V
DD
80%V
DD
20%V
DD
V
DD
V
OL
V
OH
GND
t
tw
t
THL
t
TLH
Duty=tw/t x 100%
EPSON ELECTRONICS AMERICA, INC.
www.eea.epson.com
EG2021 Rev.0.6 35I
Part Numbering Guide *4
EG-2021CA - (Frequency)M - C H P A
Stability condition A: Including 10yrs Aging N: Excluding Aging

Temperature Range P: 0 to +70C R: - 5 to +85C

Frequency Stability H: +/-100ppm G: +/-50ppm

Output C: 2.5V LVCMOS

Output Frequency : see Standard frequency list (4-Digit accuracy)

*4: CGRA is not available.
*5: CGxx and CxRx are not available below 100MHz.

Developed Frequency List and Available Part No. Combinations:
Frequency
Part No. Suffix Available
62.5000 CHPA,
CHPN
64.0000 CHPA,
CHPN
66.4063 CHPA,
CHPN
66.5000 CHPA,
CHPN
66.6667 CHPA,
CHPN
71.5000 CHPA,
CHPN
75.0000 CHPA,
CHPN
77.7600 CHPA,
CHPN
78.1250 CHPA,
CHPN
80.0000 CHPA,
CHPN
80.5664 CHPA,
CHPN
83.0000 CHPA,
CHPN
83.3143 CHPA,
CHPN
87.5000 CHPA,
CHPN
90.0000 CHPA,
CHPN
98.3040 CHPA,
CHPN
100.0000
CHPA, CHPN, CHRA, CHRN, CGPN
106.2500
CHPA, CHPN, CHRA, CHRN, CGPN
108.0000 CHPA,
CHPN
125.0000
CHPA, CHPN, CHRA, CHRN, CGPN
128.0000 CHPA,
CHPN
132.8125 CHPA,
CHPN
133.0000
CHPA, CHPN, CHRA, CHRN, CGPN
133.3333 CHPA,
CHPN
143.0000 CHPA,
CHPN
150.0000 CHPA,
CHPN
155.5200
CHPA, CHPN, CHRA, CHRN, CGPN
156.2500
CHPA, CHPN, CHRA, CHRN, CGPN
159.3750
CHPA, CHPN, CHRA, CHRN, CGPN
160.0000 CHPA,
CHPN
161.1328
CHPA, CHPN, CHRA, CHRN, CGPN
164.3555 CHPA,
CHPN
166.0000 CHPA,
CHPN
166.6286
CHPA, CHPN, CHRA, CHRN, CGPN
167.3316
CHPA, CHPN, CHRA, CHRN, CGPN
EPSON ELECTRONICS AMERICA, INC.
www.eea.epson.com
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