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參數資料
| 型號： | ACH-21.5000MHZ-A-50-G-T |
| 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： | DIP-8/4 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 433K |
| 代理商： | ACH-21.5000MHZ-A-50-G-T |
5Vdc HCMOS/ TTL COMPATIBLE HALF-SIZE DIP
CRYSTAL CLOCK OSCILLATORS
ACH
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 function.
Fast rise and fall times.
Anti-Static packaging tube.
ORDERIING OPTIONS
* Pin 1 has internal pull-up resistor which allows Pin 1 to be left floating (enable high) Option A.
Test circuit, waveforms, see appendix B..
Environmental and mechanical specifications, see appendix C. Group 1.
Marking, see appendix G. Recommended handling, see appendix F.
Application notes, see appendix A. Reflow profile see appendix E.
PIN
FUNCTION
NUMBER
1
NC or Tristate E/D
4
GND / Case
5
Output
8
Vdd
ACH - 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
-G2
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
** Standard Operating Temperature Only Frequency 50 MHz max.
Dimensions: Inches (mm)
PARAMETERS
SPECIFICATIONS
STANDARD SPECIFICATIONS
Frequency Range
(Fo)
32.768kHz - 200MHz
Operating Temperature (TOPR)
0°C to +70°C (See Options)
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)
30mA max. for F< 24MHz
70mA max. for F< 80MHz
45mA max. for F< 50MHz
85mA max. for F>_ 80MHz
“1” or Open: Oscillation
>_ 2.2V
“0”:Output disabled in high impedance (HiZ) < 0.8V
50pF load
output drive
- T for tape and reel
-TY for Tray packing
12.7 x 12.7 x 5.6 mm
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
NOTE: Left blank if standard
All specifications and markings subject to change without notice
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
ABRACON
C O R P O R A T I O N
54
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