357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881

www.nelfc.com

SC-B1440 Series

Continued

LVCMOS

Operating Conditions and Output Characteristics

Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typical

Max

Frequency

-----

-----

220.0MHz

-----

250.0MHz

Duty Cycle

-----

@ V

45/55%

-----

55/45%

Logic 0

V

OL

@ 600µA

-----

-----

0.2V

Logic 1

V

OH

@ 600µA

V

-----

-----

Rise & Fall Time

tr,tf

10-90%V

O

-----

-----

2.0 ns

Jitter, RMS

(2)

-----

Overtone

-----

-----

3 psec

T

pz

-----

-----

-----

-----

100 ns

Enable Voltage

-----

-----

1.6V

-----

-----

Disable Voltage

-----

-----

-----

-----

0.4V

Frequency Stability

(1)

dF/F

Overall conditions including:

-100ppm

-----

+100ppm

voltage, calibration, temp.,

10 yr aging, shock, vibration

General Characteristics

Parameter

Symbol

Conditions

Min

Typical

Max

Supply Voltage

(3)

V

DD

-----

2.375V

2.5V

2.625V

Supply Current

I

DD

No Load

0.0 mA

85 mA

110 mA

Output current

I

O

Low level Output Current 0.0 mA

-----

±25.0 mA

Operating temperature

T

A

------

0°C

-----

70°C

Storage temperature

T

S

-----

-55°C

-----

125°C

Power Dissipation

P

D

-----

-----

-----

158 mW

Lead temperature

T

L

Soldering, 10 sec.

-----

-----

300°C

Load

-----

-----

-----

-----

15pf

Start-up Time

t

s

-----

-----

-----

10 ms

Environmental and Mechanical Characteristics

Mechanical Shock

Per MIL-STD-202, Method 213, Condition E

Thermal Shock

Per MIL-STD-833, Method 1011, Condition A

Vibration

0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz

Soldering Condition

300°C for 10 seconds

Hermetic Seal

Leak rate less than 1 x 10

Footnotes:

1) Standard frequency stability (±20,±25,±50ppm & others available)

2) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.

RMS jitter bandwidth of 12kHz to 20MHz.

3) Internal high frequency power source decoupling.

Test Load:

Rev. -

CRYSTAL CLOCK OSCILLATORS

SC - B144X - FREQ

Package Code

Tolerance/Performance

SC

4 pad 5x7mm SMD

0 ±100ppm 0-70°C

1 ±50ppm 0-70°C

7 ±25ppm 0-70°C

Input Voltage

9 Customer Specific

Code

Specification

A ±20ppm 0-70°C

A

3.3V

B ±50ppm -40 to +85°C

B

2. 5V

C ±100ppm -40 to +85°C

5V

Creating a Part Number

Data Sheet 0540B