RASCO PLUS Series
5V Crystal Clock Oscillators
4-pin Package, Compatible with 14-pin DIL
1.25MHz to 20MHz Frequency Range
TTL/CMOS Compatible
Tight Symmetry (45/55%) Available
Tri-State Option Available
ax.
mM
,8 m
20
LUS
ax.
mM
,2 m
13
E
CO P Z
RAS .440 MH E COD
19 TI DAT
C
±100ppm Stability Standard
m
2m
6,2
x.
Ma
Tighter Stabilities Available
±50ppm Stability:- RASCO PLUS5
Case Ground for EMI Protection
PIN 1
Not Recommended for New Designs. Refer
to K1100F Series as an Alternative.
E L E C T R I C A L S P E C I F I C AT I O N S
MODEL
RASCO PLUS
Frequency Range (MHz)
1.25 to 20
Frequency Stability (ppm)
Overall
Inclusive of calibration, temperature, voltage, load, shock,vibration, aging
0°C to 70°C
±50, ±100
OBSOLETE
-40°C to 85°C
±150
Temperature Range (°C)
Operating
-40°C to +85°C
Storage
-55°C to +125°C
Supply Voltage (V)
+5.0 ±10%
Supply Current (mA)
<20
Output TTL/CMOS
“0” Level (VOL)
0.9 VCC
“1” Level (VOH)
0.1 VCC
Load
50pF/10TTL Gates
TR & TF (ns)
<5
Symmetry (%)
40/60
Jitter (Typical)
5ps RMS @ 20MHz
Start up Time (ms)
<5
PA R T N U M B E R I N G G U I D E
RASCO PLUS XXXX- Specify Frequency
“Blank” = 0oC to 70oC Operating Temperature
“M” = -40oC to 85oC Operating Temperature
“Blank” = Fixed Frequency
“E” = Tri-State
“Blank” = 40/60% Symmetry
“S” = 45/55% Symmetry
“Blank” = ±100ppm Frequency Stability
“5” = ±50 ppm Frequency Stability
2553 N. Edgington Street, Franklin Park, IL 60131
Phone: 847.451.1000
800-888-1499 or www.champtech.com
1
Fax: 847.451.7585
