ABRACON ASM User Manual

5.0Vdc • HCMOS/TTL COMPATABLE • J-LEADED • PLASTIC MOLDED • SURFACE MOUNT

CRYSTAL CLOCK OSCILLATORS

ASM

ASM - Frequency - Temperature - Frequency Stability - Duty Cycle - Packaging

ORDERING OPT ONS

ORDERING OPT ONS

Note1:Option -S (Symmetry level measured at 1/2 Vdd for HCMOS, and

at 1.4 Vdc for TTL.

Note2: Pin 1 has internal pull-up resistor which allows pin 1 to be left floating (enable high)

Connect a By-Pass capacitor 0.01 m F between Vdd and GND.

Test circuit, waveforms, see appendix B. Recommended handling, see appendix F.
Environmental and mechanical specifications, see appendix C. Group 2.
Marking, see appendix G. Tape and Reel, see appendix H.(1,000 pcs./ reel).
Application notes, see appendix, A. Reflow profile, see appendix E.

1Tristate E/D
7GND / Case
8 Output

14 V

dd

SSTTAANNDDAARRDD SSPPEECCIIFFIICCAATTIIOONNS

S

SSTTAANNDDAARRDD SSPPEECCIIFFIICCAATTIIOONNS

S

PARAMETERS ASM ASMT ASMH

10TTL 10TTL (for F<_50 MHz) 15 pF (50 pF max.)

15 pF 5TTL (for F> 50 MHz) 15 pF (30 pF max.

(50 pF max.) for F > 50 MHz)

0.9 *

V

dd min. 2.4 Vdc min. 0.9

*

V

dd min.

0.4

V

dc max. 0.4 Vdc max. 0.1

*

V

dd max.

Dimensions: Inches (mm)

FEATURES:

•Industry standard J-leaded terminals. • Plastic molded SMD.

• HCMOS and TTL compatible.•Tristate Enable/Disable.

•Extended temperature -40°C to +85°C option.

Frequency Range 3.5MHz - 25 MHz
Operation Mode Fundamental, AT
Operating Temperature -10°C to + 60° C (See Options)
Storage Temperature -55°C to + 125° Cance @25°C 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 100µW max.
Aging @25° C First Year ± 5 ppm max.

XX.XX

XXX MHz

-R for

± 25

ppm max.

-K for

± 30

ppm max.

-H for

± 35

ppm max.

-C for

± 50

ppm max.

- T

(Tape & Reel)

-S for 45 /55%

@ 1

/2 Vdd

-S1 for 45 / 55% @1.4 Vdc

-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

FUNCTION

NUMBER

1Tristate E/D
2GND / Case
3 Output
4V

dd

PARAMETERS SPECIFICATIONS

APPLICATIONS:

•Wide range of applications in dialing communication equipment, AV / OA equipment, Measuring equipment.

STANDARD SPECIFICATIONS

14.0 x 8.95 x 4.7 mm

Frequency Range (Fo) 1.00MHz - 70.000MHz

Operating Tempature (T

OPR

) 0°C to +70°C (See Options)

Storage Temperature (T

STO

) -40°C to +85°C

Frequency Stability (DF/Fo)

±100ppm max. (See Options)

Supply Voltage (Vdd) 5Vdc ±10%

Input Current

(Idd)

25mA max. (F< 30MHz); 35mA max. (F> 30MHz)

Duty Cycle or Symmetry

45/55% max. for F<_10 MHz

40 / 60% max. for F > 10 MHz

(See Options & Note 1)

Rise and Fall Times (T

R / TF

) 8ns max. (F < 40MHz) ; 6ns max. (F > 40MHz)
Output Load
Output Voltage

(VOH)

2.4

Vdc min. (TTL) ;

0.9*Vdd min.(HCMOS)

(VOL) 0.4Vdc max. (TTL) ;

0.1*Vdd max.(HCMOS)

Start-up Time (T

OSC

) 10 ms max.
Output Disable /
Enable

Disabled current (I

DIS

) 28mA max

Aging ±5ppm / Year max.

10TTL max., 50 pF max. (F < 50MHz); 15pF (F > 50MHz)

100 ns max. “1” or Open: Oscillation VIH >_ 2.0V

“0”: Output disabled in high impedance (Hi Z) VIL< 0.8V

29 Journey • Aliso Viejo, CA 92656 • USA

[phone] • FAX: [phone]

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

®

CORPORATION

47

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