Actual size
Crystal oscillator
Specifications (characteristics)
►Differential LV-PECL Output
Item
Symbol
EG-2121CA
EG-2102CA
LV-PECL
Output frequency range
f0
53.125 MHz to 500 MHz
100 MHz to 700 MHz
Supply voltage
VCC
2.5 V 0.125 V
3.3 V 0.3 V
Storage temperature
T_stg
-40 C to +100 C
Operating temperature
T_use
P:0 C to +70 C ,R:-5 C to +85 C ,S:-20 C to +70 C
Frequency tolerance
f_tol
G: 50 10-6 ,H: 100 10-6
Current consumption
ICC
80 mA Max.
100 mA Max.
Disable current
I_dis
20 mA Max.
32 mA Max
Symmetry
SYM
P:40 % to 60 %
(f0 > 350 MHz)
P:45 % to 55 %
P:45 % to 55 %
(f0 350 MHz)
D:48 % to 52 %
(f0 175 MHz)
D:48 % to 52 %
(f0 350 MHz)
Output voltage
VOH
1.55 V Typ.
2.35 V Typ.
VCC-1.025 V to VCC-0.88 V
VOL
0.8 V Typ.
1.6 V Typ.
VCC-1.81 V to VCC-1.62 V
Output load condition (ECL)
L_ECL
50
Input voltage
VIH
70 % VCC Min.
VIL
30 % VCC Max.
Rise time / Fall time
tr / tf
400 ps Max.
Start-up time
t_str
10 ms Max.
Phase Jitter
tPJ
0.8 ps Max.
f0 100 MHz
Offset frequency: 12 kHz to
20 MHz
0.5 ps Max.
100 MHz f0 200 MHz
0.3 ps Max.
200 MHz f0
Frequency aging
f_aging
10 10-6 / year Max.
►LVDS Output
Item
Symbol
EG-2121CA
EG-2102CA
LVDS
Output frequency range
f0
53.125 MHz to 700 MHz
Supply voltage
VCC
2.5 V 0.125 V
3.3 V 0.3 V
Storage temperature
T_stg
-40 C to +100 C
Operating temperature
T_use
P:0 C to +70 C ,R:-5 C to +85 C ,S:-20 C to +70 C
Frequency tolerance
f_tol
G: 50 10-6 ,H: 100 10-6
Current consumption
ICC
30 mA Max
45 mA Max.
Disable current
I_dis
20 mA Max
30 mA Max.
Symmetry
SYM
L:40 % to 60 %
(f0 > 350 MHz)
L:40 % to 60 %
(f0 > 350 MHz)
L:45 % to 55 %
(f0 350 MHz)
L:45 % to 55 %
(f0 350 MHz)
V:48 % to 52 %
(f0 175 MHz)
V:48 % to 52 %
(f0 175 MHz)
Output voltage
VOD
350 mV Typ. 247 mV to 454 mV
VOD1, VOD2
DC characteristics
dVOD
50 mV Max.
dVOD = VOD1-VOD2
VOS
1.25 V Typ. 1.125 V to 1.375 V
VOS1, VOS2
dVOS
150 mV Max.
dVOS = VOS1-VOS2
Output load condition (LVDS)
L_LVDS
100
OUT
Input voltage
VIH
70 % VCC Min.
VIL
30 % VCC Max.
Rise time / Fall time
tr / tf
400 ps Max.
Start-up time
t_str
10 ms Max.
Phase Jitter
tPJ
0.8 ps Max.
f0 100 MHz
Offset frequency: 12 kHz to
20 MHz
0.5 ps Max.
100 MHz f0 200 MHz
0.3 ps Max.
200 MHz f0
Frequency aging
f_aging
10 10-6 / year Max.
EG-2102CA
EG-2121CA
LOW-JITTER SAW OSCILLATOR (SPSO)
OUTPUT : LV-PECL, LVDS, HCSL
EG - 2121 / 2102CA
Frequency range : 53.125 MHz to 700 MHz
Supply voltage : 2.5 V  EG-2121CA
: 3.3 V  EG-2102CA
Output : LV-PECL or LVDS or HCSL
Function : Output enable (OE)
External dimensions : 7.0 × 5.0 × 1.2 mm
Very low jitter and low phase noise by SAW unit.
Product Number (please contact us)
EG-2121CA: Q3805CAx0xxxx00
: X1M000101xxxx00
EG-2102CA: Q3806CA00xxxx00
: X1M000091xxxx00
Crystal oscillator
►HCSL Output
Item
Symbol
EG-2121CA
EG-2102CA
Conditions / Remarks
HCSL
Output frequency range
f0
100 MHz to 350 MHz
Please contact us about available frequencies.
Supply voltage
VCC
2.5 V 0.125 V
3.3 V 0.3 V
Storage temperature
T_stg
-40 C to +125 C
Storage as single product.
Operating temperature
T_use
P:0 C to +70 C ,R:-5 C to +85 C ,S:-20 C to +70 C
Frequency tolerance
f_tol
G: 50 10-6 ,H: 100 10-6
Current consumption
ICC
80 mA Max.
85 mA Max.
OE=VCC,L_HCSL=50
Disable current
I_dis
20 mA Max.
35 mA Max
OE=GND
Symmetry
SYM
45 % to 55 %
at outputs crossing point
Output Voltage
VOH
0.75 V Typ.
DC characteristics
VOL
-0.3 V Typ.
Output load condition (HCSL)
L_HCSL
50
Terminated to GND
Input voltage
VIH
70 % VCC Min.
OE terminal
VIL
30 % VCC Max.
Rise time / Fall time
tr / tf
500 ps Max.
Between 0.175 V and 0.525 V of output
Start-up time
t_str
10 ms Max.
Time at minimum supply voltage to be 0 s
Phase Jitter
tPJ
0.8 ps Max.
f0 100 MHz
Offset frequency: 12 kHz to
20 MHz
0.5 ps Max.
100 MHz f0 200 MHz
0.3 ps Max.
200 MHz f0
Frequency aging *2
f_aging
10 10-6 / year Max.
+25 C, First year, VCC=2.5 V,3.3 V
Product Name EG-2121 CA 250.000000MHz P G P A
(Standard form) ① ② ③ ④⑤⑥⑦
①Model ②Package type ③Frequency
④Output/Symmetry ⑤Frequency tolerance ⑥Operating temperature
⑦Frequency aging (A*1: Frequency tolerance include aging, N*2: Frequency tolerance exclude aging)
*1 This includes initial frequency tolerance, temperature variation, supply voltage variation, reflow drift, and aging(+25 C,10 years).
*2 This includes initial frequency tolerance, temperature variation, supply voltage variation, and reflow drift(except aging).
(⑤⑥⑦: GRA, GSA are not available)
(⑤⑥: As for LV-PECL and LVDS output, for 53.125 MHz f0 < 100 MHz only HP is available)
Table 2 Jitter
Item
Symbol
Specifications
Remarks
Jitter *
tDJ
0.2 ps Typ.
Deterministic Jitter
tRJ
3 ps Typ.
Random Jitter
tRMS
3 ps Typ.
(RMS of total distribution)
tp-p
25 ps Typ.
Peak to Peak
tacc
4 ps Typ.
Accumulated Jitter() n=2 to 50000 cycles
* Tested using a DTS-2075 Digital timing system made by WAVECREST with jitter analysis software VISI6. : Differential LV-PECL, LVDS output
* Based on SIA-3100C signal integrity analyzer made from WAVECREST. : HCSL output
External dimensions
(Unit:mm)
Footprint (Recommended)
(Unit:mm)
④
Output
Symmetry
Symbol
EG-2121CA
EG-2102CA
P
LV-PECL
40 % to 60 %(f0 > 350 MHz)
45 % to 55 %(f0 350 MHz)
45 % to 55 %
D
LV-PECL
48 % to 52 %(f0 175 MHz)
48 % to 52 %(f0 350 MHz)
L
LVDS
40 % to 60 %(f0 > 350 MHz)
45 % to 55 %(f0 350 MHz)
V
LVDS
48 % to 52 %(f0 175 MHz)
H
HCSL
45 % to 55 %
⑤Frequency tolerance
G
±50 × 10-6
H
±100 × 10-6
⑥Operating temperature
P
0 to +70°C
R
-5 to +85°C
S
-20 to +70°C
Pin map
Pin
Connection
1
OE
2
N.C.
3
GND
4
OUT
5
OUT
6
VCC
#3 is connected to the cover.
5.08
1.2±0.2
5.08
#4
#3
#2
#1
1.4
2.6
1.1
#5
#6
2.54
5.0±0.2
7.0±0.2
#1
#2
#4
#6
E EG-2121
GPA 282A
250.000H
#3
#5
OE pin = HIGH : Specified frequency output.
OE pin = LOW : Output is high impedance
5.08
1.6
1.5
3.9
2.54
To maintain stable operation, provide a 0.01uF to
0.1uF by-pass capacitor at a location as near as
possible to the power source terminal of the
crystal product (between Vcc - GND).