5Vdc • TTL OUTPUT • FULL-SIZE AND HALF-SIZE DIP
CRYSTAL CLOCK OSCILLATORS
ACT and AHT
20.2 x 12.6 x 5.08 mm
FEATURES:
• Hermetically sealed metal package. • TTL output.
• Case ground for EMI protection.
• Tristate Enable/Disable options.
APPLICATIONS:
• Provide clock signals for microprocessors and digital circuits.
• TTL output for low EMI applications.
STANDARD SPECIFICATIONS
PARAMETERS
SPECIFICATIONS
STANDARD SPECIFICATIONS
Package Type
ACT (14 DIP) and AHT (8 DIP)
500kHz - 70MHz
Frequency Range
(F )
o
Operating Temperature (TOPR
Storage Temperature (TSTO
)
0°C to +70°C (See Options)
-55°C to +125°C
)
ACT
(14DIP)
Frequency Stability
Supply Voltage
(∆
F F )
±100ppm max. (See Options)
5Vdc ±10%
/
o
(V
)
dd
<_
30mA max. F
25MHz (Without Load)
o
o
Input Current
(I
)
dd
Dimensions: Inches (mm)
70mA max. F ~ 25.01MHz - 70MHz
<_
Duty Cycle or Symmetry
(at 1.4 Vdc)
45/ 55% max. for F 8.0MHz
40/ 60% max. for F > 8.0MHz (See Options)
<_
10ns max. for F 30MHz
Rise and Fall
Times
(TR / TF)
6ns max. for F 30MHz (See Options)
>
Output Load
Output Voltage
10TTL max.
(VOH
)
2.4
V
dc
V
dc
min.
max.
(VOL
0.4
)
Start-up Time
(TOSC
(VIH
(VIL
)
10ms max.
“1” or Open: Oscillation
“0”:Output disabled in high impedance (HiZ) < 0.8V
>_ 2.2V
)
)
Tristate Function
(Option “-A” ONLY)
Output Disable/ Enable Time
100ns max. (for Option “- A” ONLY)
* 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. Recommended handling, see appendix F.
Environmental and mechanical specifications, see appendix C. Group 1.
Marking, see appendix G. Value added, see appendix D.
Application notes, see appendix A. Reflow profile, see appendix E. Packaging, see appendix H
.
AHT
(8 DIP)
ORDERING OPTIONS
AXT - Frequency - Temperature - Overall Frequency Stability - Duty Cycle - Tristate - Value Added - Packaging
-T Tape and reel
C or H
-S for 45 /55%
-T for 47.5 /52.5%
- A
-TY tray packing
Tristate E/D
XX.XXXXXMHz
PIN # PIN #
FUNCTION
ACT AHT
-J for ± 20ppm max
-D for -10°C to + 60°C
-G
Gull Wing*
1
7
1
4
5
8
NC or Tristate E/D
GND / Case
Output
-R for ± 25ppm max
-K for ± 30ppm max
-H for ± 35ppm max
-C for ± 50ppm max
-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
-G2 Gull Wing (AHT)
-GHT Gull Wing
reflow capable*
8
Leads)*
-QXX (Trimmed
14
V
dd
ABRACON
NOTE: Left blank if standard • All specifications and markings subject to change without notice
®
ABRACON IS
ISO 9001 / QS 9000
CERTIFIED
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070
•
FAX: (949) 448-8484
55
E-MAIL: abinfo
@abracon.com • INTERNET ADDRESS: www.abracon.com
C O R P O R A T I O N