Actual size
http://www.epsontoyocom.co.jp
Crystal oscillator Epson Toyocom
S
p
ecifications
(
characteristics
)
Item Symbol EG-2121CA EG-2102CA Remarks
HCSL
Output frequency range f0 100 MHz to 350 MHz Please contact us for inquiries regarding
available frequencies.
Supply voltage VCC 2.5 V ±0.125 V 3.3 V ±0.3 V
Temperature
range
Storage
temperature T_stg -40 °C to +125 °C Store as bare product after unpacking
Operating
temperature T_use P:0 °C to +70 °C ,R:-5 °C to +85 °C ,S:-20 °C to +70 °C
Frequency tolerance *1 f_tol G: ± 50 × 10-6 ,H: ±100 × 10-6
Current consumption ICC 80 mA Max. 85 mA Max. OE=VCC,L_HCSL=50 Ω
Disable current I_dis 20 mA Max. 35 mA Max OE=GND
Symmetry SYM 45 % to 55 % at outputs crossing point
High output volt age VOH 0.75 V Typ.
DC characteristics
Low output Voltage VOL -0.3 V Typ.
Output load condition L_HCSL 50 Ω Terminated to GND
Output enable input voltage VIH 70 % VCC Min. OE terminal
Output disable input voltage VIL 30 % VCC Max. OE terminal
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
Jitter *2
tDJ 0.2 ps Typ. Deterministic Jitter
tRJ 3 ps Typ. Random Jitter
tRMS 3 ps Typ. σ (RMS of total distribution)
tp-p 25 ps Typ. Peak to Peak
tacc 4 ps Typ. Accumulated Jitter(σ) n=2 to 50000 cycles
Phase Jitter tPJ 1 ps Max. Offset frequency: 12 kHz to 20 MHz
Frequency aging f_aging ± 10 × 10-6 / year Max. +25 °C,First year,VCC=2.5 V,3.3 V
*1 This includes initial fr equency tolerance, temperature variation, supply voltage variation, and reflow drift(except aging).
*2 Based on SIA-3100C signal integrity analyzer made from WAVECREST.
External dimensions
(
Unit:mm
)
Foot
p
rint
(
Recommended
)
(
Unit:mm
)
EG-2102CA
EG-2121CA
CRYSTAL OSCILLATOR
LOW-JITTER SAW OSCILLATOR
EG - 2121 / 2102CA series
•Frequency range : 100 MHz to 350 MHz
•Supply voltage : 2.5 V (EG-2121CA)
: 3.3 V (EG-2102CA)
•Output : HCSL
•Function : Output enable(OE)
•External dimensions : 7.0 × 5.0 × 1.4 t (mm)
•Application : PCI ExpressTM2.0, FB-DIMM
•Very low jitter and low phase noise by SAW unit.
Product Number (please contact us)
EG-2121CA:X1M000101xxxx00
EG-2102CA:X1M000091xxxx00
5.08
5.08
#4
#
3
#2 #1
1.4 Max.
1.4
2.6 1.1
#5 #6
Pin map
Pin Connection
1 OE
2 N.C.
3 GND
4 OUT
5 OUT
6 VCC
5.0±0.2
7.0±0.2
#1
#
2
#4
#6
E EG-2121
GPA 282A
250.000H
#3
#5
2.54
Note.
OE pin = HIGH : Specified frequency output.
OE pin = LOW : Output is high impedance, oscillation stops.
#3 is connected to the cover.
5.08
1.6
1.5
3.9
2.54
To maintain stable operation, provide by-pass capacitor
with more than 0.1 μF at a location as near as possible to
the power source terminal of the crystal products
(between VCC - GND).
