Frequency Motional Resistance

Motional Capacitance Shunt Capacitance

Quality Factor

Load Capacitance

Turnover Temp.

Range

R1 @ 25°C

C1 @ 25°C

C0 @ 25°C

Q @ 25°C

CL Load

(To) (°C)

Drive Level

530 kHz to 500 Ω @ 1.0 MHz

2.0 fF @ 1.0 MHz

1.1 pF @ 1.0 MHz

190 K @ 1.0 MHz

CX1HT EXT 2.1 MHz

300 Ω @ 1.8432 MHz

2.8 fF @ 1.8432 MHz 1.3 pF @ 1.8432 MHz 110 K @ 1.8432 MHz 7 pF

35°C

3 µW MAX.

600 kHz to 300 Ω @ 600 kHz

2.3 fF @ 32.768 kHz

18 K @ 32.768 kHz

CX4HT EXT 2.5 MHz

500 Ω @ 1.8432 MHz

1.0 fF @ 100 kHz

2.0 pF MAX.

31 K @ 100 kHz

9pF

35°C

3 µW MAX.

10185 Rev B

STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com

ABSOLUTE MAXIMUM RATINGS

Storage Temperature

Maximum Process Temperature

“S” if special or

custom design.

Blank if Std.

Frequency

M = MHz

K = kHz

Calibration

Tolerance

(in ppm)

SPECIFICATIONS

Specifications are subject to change without notice.

Frequency Range

See Specifications Table below

500 ppm (0.05%)

1000 ppm (0.1%)

10000 ppm (1.0%)

Drive Level

3 µW MAX

7 pF

Temperature Coefficient (k)

Function Mode

Extensional

Aging, first year

5 ppm MAX

Typical Expected Lifetime

Shock, survival

Vibration, survival

10 g RMS, 20-1,000 Hz random

Operating Temp. Range

1. Tighter tolerances available.

2. Other values available.

+

_

+

_

+

_

PACKAGING OPTIONS

CX1HT EXT, CX4HT EXT

- Tray Pack

- 16 mm tape, 7” or 13” reels

Per EIA 481 (see Tape and Reel data sheet # 10109)

Terminations*

Blank = SM1

= Gold Plated

SM5 = Solder Dipped

(Lead Free)

Temp. Range:

S = Customer

Specified Temp.

Range

CX1

CX4

CX1

HT

S

SM5

1.8432 M,

500

/

H

HOW TO ORDER CX1HT EXT and CX4HT EXT CRYSTALS

=

2

1. For more detailed specifications on low frequency crystals, refer to standard crystal datasheets (CX1 EXT and CX4 EXT.)

HT = High

Temperature

*Other terminations available. Contact factory.

CONVENTIONAL CMOS

PIERCE OSCILLATOR CIRCUIT