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參數(shù)資料
| 型號(hào)： | 3EQHM18-C-32.768R-D1.0 |
| 廠商： | EUROQUARTZ LTD |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 32.768 MHz, CMOS OUTPUT |
| 封裝： | ROHS COMPLIANT, MINIATURE, SMD, DIP-8/4 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 367K |
| 代理商： | 3EQHM18-C-32.768R-D1.0 |
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
Low EMI Oscillators
OUTLINE & DIMENSIONS
3EQHM8-BT-32.768R-C0.5
SPECIFICATION
Page 2 of 2
PART NUMBER CONFIGURATION
‘T’ for Tristate option; Blank if Tristate not required
Frequency Stability Code
‘A’ to ‘F’. See specification above
Frequency (MHz)
Group ‘R’
3EQHM18 for SMD version
EQHM8 Group ‘R’
8 pin Dual-in-Line Spread Spectrum Clock Ocillator
SPREAD TYPES and % MODULATION
DOWN SPREAD
D1.0
-1%
D3.0
-3%
CENTRE SPREAD
C0.5
±0.5%
C1.5
±1.5%
AVAILABILITY OF SPREAD TYPES AND MODULATION RATES
Model No:
3EQHM14 (Group ‘R’)
Frequency Range:
3.5MHz to 165.0MHz
Spread Types:
See table below
EMI Reduction*:
-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.
Modulation Carrier Frequency:
6.9kHz min, 55.5kHz max.
Frequency dependent
Call for details
Output Logic:
CMOS
Input Voltage:
Vdd = +3.3VDC ±5%
Frequency Stability***
Commercial (0~70°C):
±25ppm (Spec. code = ‘A’)
±50ppm (Spec. code = ‘B’)
±100ppm (Spec. code = ‘C’)
Industrial (-40~+85°C):
±25ppm (Spec. code = ‘D’)
±50ppm (Spec. code = ‘E’)
±100ppm (Spec. code = ‘F’)
Output Voltage HIGH ‘1’:
2.0V min., 3.2V typ. (90%Vdd)
Output Voltage LOW ‘0’:
0.8V max., 0.2V typ. (10%Vdd)
Rise/fall Times:
4ns max, (frequency dependant)
Load:
15pF
Start-up Time:
2ms typical, 5ms max.
Storage Temperature:
-65° to +150°C
Current Consumption:
10 ~ 50MHz:
10mA typical
50 ~ 125MHz:
18mA typical
Duty Cycle:
50%±5% (CL=15pF, 50%Vdd)
Cycle to Cycle Jitter:
±250ps typ. ±300ps max.
Output Impedance:
40 Ohms typical
Static Discharge Voltage:
>2000V (per MIL STD 833)
Ageing:
±5ppm /year max at Ta=25°C
Packaging:
EIA 16mm tape and reel, 1k per.
Pad 1 Option:
Output Enable/Disable. Output is
high impedance when taken low
Output enable time 100ms max.
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.
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相關(guān)代理商/技術(shù)參數(shù) |
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| 3EQHM42-AT-32.768R-C0.5 | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:11.4 x 9.6 x 2.5mm SMD Spread Spectrum Clock Ocillator |
| 3EQHM42-AT-32.768R-C1.5 | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:11.4 x 9.6 x 2.5mm SMD Spread Spectrum Clock Ocillator |
| 3EQHM42-AT-32.768R-D1.0 | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:11.4 x 9.6 x 2.5mm SMD Spread Spectrum Clock Ocillator |
| 3EQHM42-AT-32.768R-D3.0 | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:11.4 x 9.6 x 2.5mm SMD Spread Spectrum Clock Ocillator |
| 3EQHM42-BT-32.768R-C0.5 | 制造商:EUROQUARTZ 制造商全稱:EUROQUARTZ limited 功能描述:11.4 x 9.6 x 2.5mm SMD Spread Spectrum Clock Ocillator |
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