RASCO PLUS

SERIES CLOCK OSCILLATORS

Rasco Plus Image

MECHANICAL DIMENSIONS

ELECTRICAL SPECIFICATIONS
MODEL RASCO PLUS
Frequency Range (Mhz) 1.25 to 50
Frequency Stability (ppm) Inclusive of calibration, temperature, voltage, load, aging
0C to 70C 100, 50ppm option available
Temperature Range (C) .
Operating -40C to +85C
Storage -55C to +125C
Input Voltage (V) +5.0 +/-10%
Input Current (mA)( See Chart ) .
Current Output Shorted -30min., -140 max.
Output (Cl =15pF) Refer to appendix A-1, Table 1, Figure 1
Symmetry (%) CMOS 40/60 @ .5 Vcc
Symmetry (%) TTL 40/60 @ 1.4V*
"0" Level (VoL) +0.5V @ IoL = 16mA
"1" Level (VoH) Vcc Vcc -0.4V min. @ IoH=-1mA
High or Low Level .
Output Current (mA) +/-20 Absolute max. value
Output Voltage -0.5V to Vcc +0.5V
Start Up Time (ms) <5
Output Load 10 TTL Gates; CMOS Compatible
Load Stability (CL=15pf) <+/-2ppm typical
Enable/ Disable PdLH 1 usec. max.; PdHL 1 usec. max.
Test Circuit Diagram Refer to Appendix A-1, Figure 2

Freq. (Mhz) Icc (mA) max. CL =15pF
<10 13
10.01 to 20 17
20.01 to 30 31
30.01 to 40 34
40.01 to 52.0 40

OUTPUT RISE AND FALL T(R) ns T(F) ns
1.25-20 Mhz
(15pF)
CMOS: 20% to 80% Vcc
TTL: 0.5V to 2.5V
5
4
5
4
20-52 MHz
(15pF)
CMOS: 20% to 80% Vcc
TTL: 0.5V to 2.5V
4
3.5
3
2.5
20-52 MHz
(50pF)
CMOS: 20% to 80% Vcc
TTL: 0.5V to 2.5V
7
6
5
4

Ordering Information

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