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參數資料
| 型號： | QCC570-20MHZ |
| 廠商： | Q-TECH CORP |
| 元件分類： | XO, clock |
| 英文描述： | CRYSTAL OSCILLATOR, CLOCK, 20 MHz, HCMOS/TTL OUTPUT |
| 封裝： | SURFACE MOUNT PACKAGE-4 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 86K |
| 代理商： | QCC570-20MHZ |
QCC570 SERIES
5 x 7mm SURFACE MOUNT CLOCK OSCILLATORS
_______________________________________________________________________________________
FEATURES
Broad frequency range from 1.544MHz to
156.25MHz.
Supply voltages 5V, 3.3V, 2.5V, 1.8Vdc.
HCMOS/TTL compatible or LVHCMOS.
Built-in tri-state function.
Reflow capable.
Tape and Reel packaging.
ELECTRICAL CHARACTERISTICS
PARAMETERS
QCC570L
(3.3Vdc)
Output frequency range (Fo)
Supply voltage (Vdd)
3.3Vdc ± 10%
Frequency stability (DF/Fo)
Operating temperature (Topr)
Storage temperature (Tsto)
Operating supply current (Idd)
20 mA max. (1.54MHz ~ 32.0MHz)
30 mA max. (> 32.0MHz ~ 85.0MHz)
40 mA max. (> 85.0MHz ~ 156.25MHz)
Symmetry (Sym) (measured at 0.5*Vdd)
45/55% max. (1.54MHz ~ 10MHz); 40/60% max. (> 10MHz ~ 156.25MHz)
Rise and Fall times (Tr/Tf)
(measured between 10% to 90% level)
5ns max. (>20MHz ~ 156.25MHz)
Output current (IOH/IOL)
±8mA
Output load (CL)
30pF (< 35MHz)
15pF (35MHz-156.25MHz)
Start-up time (Tstup)
Output voltage (Voh/Vol)
Enable/Disable Tristate function
Pin 1 VIH = 2.2V Oscillation; VIL = 0.8V High Impedance
Output Enable/Disable time (Ten/Tdis)
PARAMETERS
QCC570R
(1.8Vdc)
Output frequency range (Fo)
1.544MHz – 70.000MHz
Supply voltage (Vdd)
1.8Vdc ± 10%
Frequency stability (DF/Fo)
Operating temperature (Topr)
Storage temperature (Tsto)
Operating supply current (Idd)
4 mA max. (1.54MHz ~ 40MHz)
8 mA max. (>40.0MHz ~ 50MHz)
10 mA max. (>50MHz ~ 70MHz)
Q-Tech Corporation
10150 West Jefferson Blvd. Culver City, CA 90232
Tel (310) 836 - 7900 Fax (310) 836 – 2157
Doc#570-0000 (ECO#8299)
Rev. C (06/2005)
www.q-tech.com
Page 1 of 3
QCC570
(5Vdc)
1.544MHz – 156.25MHz
5.0Vdc ± 10%
± 50ppm max. (see options)
- 40°C to +85°C
-55°C to +125°C
25 mA max. (1.54MHz ~ 32.0MHz)
35 mA max. (> 32.0MHz ~ 85.0MHz)
45mA max. (> 85MHz ~ 156.25MHz)
8ns max. (1.54MHz to 20MHz)
10ns max. (1.54MHz to 20MHz)
7ns max. (>20MHz ~ 156.25MHz)
±16mA
30pF (< 50MHz)
15pF (50MHz-156.25MHz)
10ms max.
0.9*Vdd min. ; 0.1*Vdd max.
100ns max.
QCC570N
(2.5Vdc)
1.544MHz – 110.00MHz
2.5Vdc ± 10%
± 50ppm max. (see options)
- 40°C to +85°C
-55°C to +125°C
8 mA max. (1.54MHz ~ 34.99MHz)
20 mA max. (35.0MHz ~ 69.99MHz)
25 mA max. (70MHz ~ 110MHz)
Symmetry (Sym) (measured at 0.5*Vdd )
Rise and Fall times (Tr/Tf) 20% to 80%
Output current (IOH/IOL)
Output load (CL)
Start-up time (Tstup)
Output voltage (Voh/Vol)
Enable/Disable Tristate function
Output Enable/Disable time (Ten/Tdis)
45/55% max. (1.54MHz ~ 10MHz); 40/60% max. (F > 10MHz)
6 ns max. (15pF load)
± 6mA
15pF max.
10ms max.
0.9*Vdd min. ; 0.1*Vdd max.
Pin 1 VIH = 0.7*Vdd Oscillation; VIL = 0.3*Vdd High Impedance
200ns max.
100ns max.
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