EQHM8 Group ‘R’ Low EMI Oscillators
8 pin Dual-in-Line Spread Spectrum Clock Ocillator
Page 2 of 2
SPECIFICATION
Model No:
Frequency Range:
Spread Types:
EMI Reduction*:
3EQHM14 (Group ‘R’)
3.5MHz to 165.0MHz
See table below
-7dBc min. 100MHz at C0.25**
-9dBc min. 100MHz at C0.5**
-15dBc min. 100MHz at C1.5**
With reference to dB level at no
modulation.
6.9kHz min, 55.5kHz max.
Frequency dependent
Call for details
CMOS
Vdd = +3.3VDC ±5%
±25ppm (Spec. code = ‘A’)
±50ppm (Spec. code = ‘B’)
±100ppm (Spec. code = ‘C’)
±25ppm (Spec. code = ‘D’)
±50ppm (Spec. code = ‘E’)
±100ppm (Spec. code = ‘F’)
2.0V min., 3.2V typ. (90%Vdd)
0.8V max., 0.2V typ. (10%Vdd)
4ns max, (frequency dependant)
15pF
2ms typical, 5ms max.
-65° to +150°C
10mA typical
18mA typical
50%±5% (CL=15pF, 50%Vdd)
±250ps typ. ±300ps max.
40 Ohms typical
>2000V (per MIL STD 833)
±5ppm /year max at Ta=25°C
EIA 16mm tape and reel, 1k per.
Output Enable/Disable. Output is
high impedance when taken low
Output enable time 100ms max.
OUTLINE & DIMENSIONS
Modulation Carrier Frequency:
Output Logic:
Input Voltage:
Frequency Stability***
Commercial (0~70°C):
Industrial (-40~+85°C):
Output Voltage HIGH ‘1’:
Output Voltage LOW ‘0’:
Rise/fall Times:
Load:
Start-up Time:
Storage Temperature:
Current Consumption:
10 ~ 50MHz:
50 ~ 125MHz:
Duty Cycle:
Cycle to Cycle Jitter:
Output Impedance:
Static Discharge Voltage:
Ageing:
Packaging:
Pad 1 Option:
Notes:
*
EMI reduction is applied to the entire frequency spectrum
** dBc: with respect to no modulation. Frequency and total %
spread dependant.
*** Frequency Stability parameter excludes modulation.
PART NUMBER CONFIGURATION
‘T’ for Tristate option; Blank if Tristate not required
Group ‘R’
AVAILABILITY OF SPREAD TYPES AND MODULATION RATES
SPREAD TYPES and % MODULATION
3EQHM8-BT-32.768R-C0.5
3EQHM18 for SMD version
Frequency (MHz)
Frequency Stability Code
‘A’ to ‘F’. See specification above
DOWN SPREAD
D1.0
D3.0
CENTRE SPREAD
C0.5
C1.5
±0.5%
±1.5%
-1%
-3%
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk
www.euroquartz.co.uk
EUROQUARTZ [ EUROQUARTZ LIMITED ]
