APPLICATIONS:

• Provide clock signals for microprocessors and digital circuits.

• TTL output for low EMI applications.

S

S

T

T

A

A

N

N

D

D

A

A

R

R

D

D

S

S

P

P

E

E

C

C

I

I

F

F

I

I

C

C

A

A

T

T

I

I

O

O

N

N

S

S

AXT - Frequency - Temperature - Overall Frequency Stability - Duty Cycle - Tristate - Value Added - Packaging

XX.XXXXXMHz

-J for ± 20ppm max

-R for ± 25ppm max

-K for ± 30ppm max

-H for ± 35ppm max

-C for ± 50ppm max

- A

Tristate E/D

-S for 45 /55%

-T for 47.5 /52.5%

-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 # PIN #

FUNCTION

ACT AHT

1

1

NC or Tristate E/D

7

4

GND / Case

8

5

Output

14

8

Package Type

ACT (14 DIP) and AHT (8 DIP)

Frequency Range

500kHz - 70MHz

Storage Temperature

-55°C to +125°C

Frequency Stability

Supply Voltage

5Vdc ±10%

Input Current

30mA max. Fo <_ 25MHz (Without Load)

70mA max. Fo ~ 25.01MHz - 70MHz

Duty Cycle or Symmetry

45/ 55% max. for F <_ 8.0MHz

(at 1.4 Vdc)

Rise and Fall

10ns max. for F <_ 30MHz

Times

Output Load

10TTL max.

Output Voltage

Start-up Time

10ms max.

Tristate Function

(Option “-A” ONLY)

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

PARAMETERS

SPECIFICATIONS

Dimensions: Inches (mm)

ACT

(14DIP)

AH T

(8 DIP)

FEATURES:

• Hermetically sealed metal package. • TTL output.

• Case ground for EMI protection.

• Tristate Enable / Disable options.

-G

Gull Wing*

-G2 Gull Wing (AHT)

-GHT Gull Wing

reflow capable*

-QXX (Trimmed Leads)*

C or H

-T Tape and reel

-TY tray packing

5Vdc • TTL OUTPUT • FULL-SIZE AND HALF-SIZE DIP

CRYSTAL CLOCK OSCILLATORS

ACT and AHT

20.2 x 12.6 x 5.08 mm

* 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.

29 Journey • Aliso Viejo, CA 92656 • USA

(949) 448-7070

•

ABRACON IS

ISO 9001 / QS 9000

CERTIFIED

NOTE: Left blank if standard

• All specifications and markings subject to change without notice

ABRACON

®