ECS 3961, 3963 Data Sheet

 3.3 or 5.0V version
 3.2 x 5 mm Footprint
 Low current consumption
 Pb Free/RoHS Compliant

ECS-3961/3963

SMD CLOCK OSCILLATOR

ECS-3961 (5V) and ECS-3963 (3.3V) miniature SMD
crystal controlled oscillators. Package is seam welded
with a metal lid.

OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS

PARAMETERS CONDITIONS

Frequency Range

Operating Temperature

Storage Temperature
Supply Voltage

Frequency Stability *

Input Current

Output Symmetry

Rise and Fall Times
"0" level
"1" level
Output Load
Startup time

Extended (N Option)

1.544 to 9.999 MHz

10.0 to 34.999 MHz

35.0 to 49.999 MHz

50.0 to 125 MHz
@ 50%Vcc level

@ 50%Vcc level (T Option)

10% Vdd to 90% level

Standard

Option A
Option B
Option C

VOL

VOH

HCMOS

ECS-3961 (+5V) ECS-3963 (+3.3V)

MIN MINTYP TYPMAX MAX

125.000

-10

-40

-55

+4.5

90% Vdd 90% VDD90% VDD

+5.0

+70
+85

+125

+5.5

± 100

± 50
± 25

15
20
35

40
40/60
45/55

5

10% Vdd 10% Vdd

30

10

1.0001.544

-10

-40

-55

+2.7

90% Vdd

+3.3

125.000
+70
+85

+125

+3.6

± 100

± 50
± 25

8
10
25
35

40/60
45/55

5

15
10

UNITS

MHz

°C
°C

°C
VDC
ppm
ppm
ppm

mA
mA
mA
mA

%
%

ns
VDC
VDC

pF

ms

* Note: Inclusive of 25°C tolerance, operating temperature,input voltage change, load change, shock and vibration.

DIMENSIONS (mm)

Pin Connections

Pin #1
Pin #2
Pin #3
Pin #4

Tri-State Control Voltage

Pad 1

Figure 1) Top, Side and Bottom
views

Figure 2) Suggested Land Pattern

PART NUMBERING GUIDE: Example ECS-3963-200-BN-TR

ECS - Series - Frequency Abbreviation - Stability Temperature Symmetry - Packaging

Open

70% Vdd Min.

30% Vdd Max.

** Note: Internal pullup resistor from
pin 1 to 4 allows active output if pin
1 is left open.

Tri-State **

Ground

Output

VDD

Pad 3
Oscillation
Oscillation

No Oscillation

3961 = +5.0V

3963 = +3.3V

1105 South Ridgeview Road z Olathe, KS 66062 z Phone: [phone] z Fax: [phone] z www.ecsxtal.com

200 = 20.000 MHz

See Frequency

Abbreviations

A = ± 100 ppm
B = ± 50 ppm
C = ± 25 ppm

Blank = -10 ~ +70°C
M = -20 ~ +70°C
N = -40 ~ +85°C
U = -55 ~ +125°C

Blank = 40/60

T = 45/55

TR = Tape & Reel
1K/Reel