EG-2021CA159.375MCHRA [SEIKO]
CRYSTAL OSCILLATOR, CLOCK, 159.375 MHz, LVCMOS OUTPUT;型号: | EG-2021CA159.375MCHRA |
厂家: | SEIKO EPSON CORPORATION |
描述: | CRYSTAL OSCILLATOR, CLOCK, 159.375 MHz, LVCMOS OUTPUT 输出元件 |
文件: | 总3页 (文件大小:49K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
EG-2021CA
Preliminary
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
Symbol
Unit
MIN.
TYP.
MAX.
Condition
VCC
Tstg
Tsol
V
°C
-0.5
-40
+4.0
+100
VDD – GND
Stored as bare product.
Max. 240°C x Max. 10s x 2 times
♦ Operating range
Item
Symbol
Unit
MIN.
TYP.
2.5
MAX.
Condition
Supply voltage
Operating temperature
VDD
Topr
V
°C
2.375
0
-5
2.625
+70
+85
15
P version
R version
Output load
CL
pF
♦ Frequency characteristics
(VDD=2.375 to 2.625,GND=0.0V,Load=Max,)
Item
Symbol
Unit
MIN.
62.5
TYP.
MAX.
170
Condition
Output frequency Range
Frequency Stability
fosc
df/f0
MHz
ppm
+/-100
+/-50
H stability, *1
G stability, *1
*1 This includes initial frequency tolerance, temperature, supply voltage variation and loading variation.
♦ Electrical characteristics
(VDD=2.375 to 2.625,GND=0.0V,Load=Max)
Item
Symbol
Unit
MIN.
TYP.
MAX.
Condition
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
Start up time
Tosc
IOP
ms
mA
mA
mA
ns
10
Current consumption
20
15
TBD
TBD
0.6
TBD
TBD
55
Output disable current
Rise time
IOE
tTLH
tTHL
tw/t
VOH
VOL
VIH
VIL
1.0
1.0
Fall time
Duty
ns
45
VDD -0.4
High level output voltage
Low level output voltage
High level input voltage
Low level input voltage
Phase Jitter *2
V
V
V
0.4
0.7VDD
OE Terminal
OE Terminal
V
0.3VDD
tPJ
UI
ps
ps
ps
ps
0.027x10-3
RMS, @62.5 to 170MHz
RMS, @125MHz
σ of Random Jitter
Peak to Peak of jitter distribution
σ of Total jitter distribution
12KHz to 20MHz offset
0.21
3
25
4
Period Jitter *3
n=50000 samples
tRJ
tp-p
tacc
4
40
5
Accumulated Jitter *3
n=2 to 50000 cycles
*2 Measured by SSB phase noise test equipment. *3 Measured by Time interval analyzer or oscilloscope.
EG2021 Rev.0.6 35I
EPSON ELECTRONICS AMERICA, INC.
www.eea.epson.com
♦ Test circuit
IOUT
A
Test Point
4
3
By-pass
capacitor
VDD
OUT
Power
Supply
CL=MAX
Probe Cap. included
OE Input
OE
1
GND
2
OE
Out
High or Open Enable
Low
Disable
♦ Timing chart
tTLH
tTHL
VDD
80%VDD
50%VDD
20%VDD
GND
VOH
tw
VOL
t
Duty=tw/t x 100%
♦ External Dimensions ( Unit : mm )
♦ Recommended solder pattern
7.0±0.2
1.2± 0.2
5.08
#4
#3
#4
#3
1.8
#4
#3
E EG-2021
125.000C
O HPA21MA
#1
#2
#1
#2
4-1.4
No. Pin Name
#1
#2
#3
#4
OE
GND
OUT
VDD
#1
#2
Unit: mm
5.08
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
: see Standard frequency list (4-Digit accuracy)
Output Frequency
*4:
*5:
CGRA is not available.
CGxx and CxRx are not available below 100MHz.
♦ Developed Frequency List and Available Part No. Combinations:
Part No. Suffix Available
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
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
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