T TL OUTPUT • FULL-SIZE AND HALF-SIZE DIP
CRYSTAL CLOCK OSCILLATORS
ACT and AHT
FEATURES:
• Her metically sealed metal package.
• Case Ground for EMI protection.
• TTL output.
• Tristate enable / disable options.
APPLICATIONS:
• Provide Clock Signals for Microprocessors and Digital Circuits.
• TTL output for low EMI applications.
STANDARD SPECIFICATIONS
PARAMETERS
Package Type
Frequency Range
(F
o
)
SPECIFICATIONS
ACT (14 DIP)
and
AHT (8 DIP)
500 k Hz - 70 MHz
Operating Temperature (T
OPR
)
Storage Temperature (T
STO
)
(
∆F
/ F
o
)
Frequency Stability
Supply Voltage
(V
dd
)
0°C to + 70°C
(See Options)
-55°C to +125°C
± 100 ppm max.
(See Options)
5 Vdc ± 10%
_
30 m A max. Fo < 25 MHz (Without Load)
Input Current
(I
dd
)
70 m A max. Fo ~ 25.01 MHz - 70 MHz
_
Duty Cycle or Symmetry
45/ 55% max. for F < 8.0 MHz
(at 1.4 Vdc)
40/ 60% max. for F > 8.0 MHz
(See Options)
_
Rise and Fall
10 ns max. for F < 30 MHz
Times
(T
R
/
T
F
)
6 ns max. for F> 30 MHz
(See Options)
Output Load
10TTL max.
Output Voltage
(V
OH
)
2.4 V
dc
min.
(V
OL
)
0.4 V
dc
max.
Start-up Time
(T
OSC
)
10 ms max.
“1” or Open: Oscillation
> 2.2V
_
(V
IH
)
Tristate Function
“0”:Output disabled in high impedance (Hi Z) < 0.8V
(Option “-A” ONLY) (V
IL
)
Output Disable / Enable Time
100 ns max. (for Option “- A” ONLY)
ACT
(14 DIP)
Dimensions: Inches (mm)
(
*
) Pin 1 has internal pull-up resistor which allows Pin 1 to be left floating (enable high) Option A
For test circuit, waveforms, please see page 67.
Environmental and mechanical specifications on page 68, Group 1. Marking, see page 79.
ORDERING OPTIONS
AX T - Frequency - Temperature - Overall Frequency Stability
-
Duty Cycle - Tristate - Value Added
C or H
AH T
( 8 DIP)
XX.XXXXX MHz
-D for -10°C
-E for -20°C
-F for -30°C
-N for -30°C
-L for -40°C
to
to
to
to
to
+ 60°C
+ 70°C
+ 70°C
+ 85°C
+ 85°C
-J
-R
-K
-H
-C
-S for 45 / 55%
-T for 47.5 / 52.5%
for ± 20 ppm max
for ± 25 ppm max
for ± 30 ppm max
for ± 35 ppm max
for ± 50 ppm max
-G
-G2
-A
Tristate E/D
PIN # PIN #
ACT AHT
Gull Wing*
Gull Wing *
(AHT Only)
-QXX (Trimmed Leads)*
* Found on Page 73.
FUNCTION
1
7
8
14
1
4
5
8
NC or Tristate E/D
GND / Case
Output
V
dd
ABRACON
- 44 -
®
NOTE: Left blank if standard
•
All specifications and markings subject to change without notice
C O R P O R AT I O N
29 Journey • Aliso Viejo, CA 92656 • USA
(949) 448-7070
•
F
AX
: (949) 448-8484
E-
MAIL
:
abinfo
@
abracon.com •
I
NTERNET
A
DDRESS
:
www.abracon.com
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