FUNDAMENTAL FREQUENCY, LOW JITTER 5.0V or 3.3Vdc FULL-SIZE DIP
CRYSTAL CLOCK OSCILLATORS
ACPE and ACPEL
20 x 12.6 x 7.2 mm
FEATURES:
• Low jitter PECL logic.
• Tight overall frequency stability.
• Fast rise and fall times.
• Complementary output.
• Wide frequency range.
APPLICATIONS:
• Gigabit ethernet.
• xDSL, Stratum IV.
• SONET/SDH.
• Data telecommunications and networking.
STANDARD SPECIFICATIONS
Frequency Range
PARAMETERS
3.5 MHz - 25 MHz
ACPE
ACPEL
STANDARD SPECIFICATIONS
Operation Mode
Fundamental, AT
Frequency Range
(F )
10.00MHz - 200MHz
o
Operating Temperature
-10°C to + 60° C (See Options)
Operating Temperature (TOPR
)
0°C to +70°C (see options)
Storage Temperature
Storage Temperature
-55°C to + 125° C
(TSTO
)
-55°C to +105°C
@
(
Frequency Tolerance 25°C
Frequency Stability F/ F
Frequency Stability over Temp.
Supply Voltage (Vcc
±50 ppm max. (See Options)
∆
o)
±100ppm max. (See Options)
±50 ppm max. (See Options)
)
+5Vdc ±5%
+3.3Vdc ±5%
Equivalent Series Resistance
200 Ω for 3.5 MHz < F < 4.0 MHz
Supply Current
(ESR) Maximum
(Idd)
100mA max.
150 Ω for 4.0 MHz < F < 6.0 MHz
100 Ω for 6.0 MHz < F < 10.0 MHz
Duty cycle or Symmetry
40/60% max. measured 50% waveform
80 Ω for 10 MHz < F < 14.0 MHz
Rise and Fall times
(Tr/Tf)
2ns max. measured at 20% to 80% level
_
50 Ω for 14 MHz < F < 25 MHz
Output
PECL square wave 10KH compatible
Shunt Capacitance C0
7 pF max.
Output and E/D options (pin 1)
Load Capacitance CL
Output load
No connection or Complementary output or E/D
16pF (See Option)
50Ω
terminated into 3VDC or Thevenin equivalent
Drive Level
100µΩ max.
Output voltage
VOH = Vcc -1.025V min., Vcc - 0.74V max.
@
Aging 25° C First Year
± 5 ppm max.
VOL = Vcc -1.95V min., Vcc - 1.60V max.
Dimensions: Inches (mm)
Insulation Resistance
Period Jitter
500 MΩ min. at 100 Vdc ± 15V
3.5ps RMS max.
VIL= Vcc -1.62V max., VIH = Vcc -1.025V min.
(Output is in “0” state when disabled)
10ms max.
PIN
FUNCTION
NUMBER
Enable/Disable option (pin 1)
1
7
NC or Q or E/D
GND / Case
Output
Start-up time
8
* Output must be terminated into 50
Environmental and mechanical specifications, see appendix C. Group 1.
Value added, see appendix D.
Ω to +3VDC or Thevenin equivalent.
14
V
cc
Teat circuit and waveforms, see appendix B
Thevenin equivalent
Marking, see appendix G. Recommended handling, see appendix F.
Application notes, see appendix A.
ORDERING OPTIONS
ACPEX - Frequency - Temperature - Overall Frequency Stability
-
Pin 1 option
-
Value Added
Blank
or L
XX.XXXX MHz
-Y for ± 10ppm max.
-J for ± 20ppm max.
-R for ± 25ppm max.
-K for ± 30ppm max.
-H for ± 35ppm max.
-C for ± 50ppm max.
-Blank = N/C
-QBAR = Complementary output
-D for -10°C to + 60°C
-E for -20°C to + 70°C
-F for -30°C to + 70°C
-N for -30°C to + 85°C
-L for -40°C to + 85°C
-A
= Enable/Disable
Vdd
R1
R2
-G
Gull Wing
5.0V
3.3V 130Ω
82Ω
130Ω
82Ω
-QXX (Trimmed Leads)
ABRACON
NOTE: Left blank if standard • All specifications and markings subject to change without notice
®
ABRACON IS
29 Journey • Aliso Viejo, CA 92656 • USA
ISO 9001 / QS 9000
CERTIFIED
(949) 448-7070
•
FAX: (949) 448-8484
58
E-MAIL: abinfo
@abracon.com • INTERNET ADDRESS: www.abracon.com
C O R P O R A T I O N