參數(shù)資料
型號： ACO-21.500000MHZ-S-A-G
廠商： ABRACON CORP
元件分類： XO, clock
英文描述： CRYSTAL OSCILLATOR, CLOCK, 21.5 MHz, HCMOS/TTL OUTPUT
封裝： ROHS COMPLIANT, DIP-14/4
文件頁數(shù)： 1/1頁
文件大?。?/td> 474K
代理商： ACO-21.500000MHZ-S-A-G
5Vdc HCMOS/ TTL COMPATIBLE FULL-SIZE DIP
CRYSTAL CLOCK OSCILLATORS
ACO
ACO - Frequency - Temperature - Overall Frequency Stability - Duty Cycle - Tristate - 50 - Value Added - Packaging
XX.XXXX MHz or kHz
-Y for ± 10ppm max**
-J for ± 20ppm max
-R for ± 25ppm max
-K for ± 30ppm max
-H for ± 35ppm max
-C for ± 50ppm max
- A for Tristate E/D
-S for 45 /55% @ 1
/2Vdd
-T for 47.5 /52.5% @ 1
/2Vdd
-S1 for 45 /55% @ 1.4Vdc
-T1 for 47.5 /52.5% @ 1.4Vdc
-G Gull Wing
-GHT Gull Wing Reflow capable
-QXX (Trimmed Leads)
-D for -10°C to + 60°C
-E for -20°C to + 70°C
-F for -30°C to + 70°C
-N for -30°C to + 85°C
-L for -40°C to + 85°C
ORDERING OPTIONS
* Pin 1 has internal pull-up resistor which allows Pin 1 to be left floating (enable high) Option A
** Higher Frequencies available. Recommended handling, see appendix F.
Test circuit, waveforms, see appendix B. Reflow profile, see appendix E.
Environmental and mechanical specifications, see appendix C. Group 1. Marking, see appendix G.
Application notes, see appendix A. Value added, see appendix D.
** Standard Operating Temperature Only Frequency 50 MHz max
PIN
FUNCTION
NUMBER
1
NC or Tristate E/D
7
GND / Case
8
Output
14
Vdd
APPLICATIONS:
Provide clock signals for microprocessors and digital circuits.
High output drive capability applications.
FEATURES:
Wide frequency range.
HCMOS and TTL compatible.
Tight symmetry option.
Tristate Enable / Disable options.
Fast rise and fall times.
Anti-Static packaging tube.
Dimensions: Inches (mm)
Frequency Range
3.5 MHz - 25 MHz
Operation Mode
Fundamental, AT
Operating Temperature
-10°C to + 60° C (See Options)
Storage Temperature
-55°C to + 125° C
Frequency Tolerance @ 25°C
±50 ppm max. (See Options)
Frequency Stability over Temp.
±50 ppm max. (See Options)
Equivalent Series Resistance
200 W for 3.5 MHz < F < 4.0 MHz
(ESR) Maximum
150 W for 4.0 MHz < F < 6.0 MHz
100 W for 6.0 MHz < F < 10.0 MHz
80 W for 10 MHz < F < 14.0 MHz
50 W for 14 MHz < F <_ 25 MHz
Shunt Capacitance C0
7 pF max.
Load Capacitance CL
16pF (See Option)
Drive Level
100W max.
Aging @ 25° C First Year
± 5 ppm max.
Insulation Resistance
500 MW min. at 100 Vdc ± 15V
PARAMETERS
SPECIFICATIONS
STANDARD SPECIFICATIONS
Frequency Range
(Fo)
500Hz - 200MHz**
Operating Temperature (TOPR)
0°C to +70°C
Storage Temperature
(TSTO)
-55°C to +125°C
Frequency Stability
(DF/ Fo)
±100ppm max. (See Options)
Supply Voltage
(Vdd)
5Vdc ±10%
Input Current
(Idd)
Duty Cycle
45 / 55% max. for F < 50MHz @ 1/2Vdd (See Options)
or Symmetry
40 / 60% max. for F >_ 50MHz @ 1/2Vdd (See Options)
Rise and Fall Times (TR / TF)
10ns max. for F <_ 24MHz
5ns max. for F > 24MHz
Output Load
10TTL or 15pF (50pF max.) for Fo < 80MHz
5TTL or 15pF for (Fo) >_ 80MHz
Output Voltage
0.9*Vdd min. (VOH) ; 0.4Vdc max. (VOL)
Start-up Time
(TOSC)
10ms max.
Tristate Function
(VIH)
(Option -A Only)
(VIL )
Output Disable / Enable Time
100ns max. (for Option “- A” ONLY)
“1” or Open: Oscillation
>_ 2.2V
“0”:Output disabled in high impedance (HiZ) < 0.8V
30mA max. for F< 24MHz
70mA max. for F< 80MHz
45mA max. for F< 50MHz
85mA max. for F>_ 80MHz
50 pF load
output drive
20.2 x12.6 x 5.08 mm
-TY for Tray packing
29 Journey Aliso Viejo, CA 92656 USA
(949) 448-7070
FAX: (949) 448-8484
E-MAIL:
abinfo@abracon.com INTERNET ADDRESS: www.abracon.com
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard
All specifications and markings subject to change without notice
ABRACON
C O R P O R A T I O N 51
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