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.
1105 South Ridgeview Road z Olathe, KS 66062 z Phone: 913.782.7787 z Fax: 913.782.6991 z www.ecsxtal.com
PARAMETERS CONDITIONS
ECS-3961 (+5V) ECS-3963 (+3.3V)
MIN MINTYP TYPMAX MAX
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
UNITS
HCMOS
VOH
VOL
@ 50%Vcc level
@ 50%Vcc level (T Option)
10% Vdd to 90% level
Option C
1.544 to 9.999 MHz
10.0 to 34.999 MHz
35.0 to 49.999 MHz
50.0 to 125 MHz
Option A
Option B
Standard
Extended (N Option)
Startup time
"1" level
"0" level
Input Current
Frequency Range
Operating Temperature
Storage Temperature
Supply Voltage
Frequency Stability *
Output Symmetry
Rise and Fall Times
Output Load
1.0001.544
-10
-40
-55
+4.5
90% Vdd 90% VDD90% VDD
MHz
°C
°C
°C
VDC
ppm
ppm
ppm
mA
mA
mA
mA
%
%
ns
VDC
VDC
pF
ms
125.000
+70
+85
+125
+5.5
± 100
+3.3
-10
90% Vdd
+70
+85
+125
+3.6
± 100
± 50
± 25
8
10
25
35
45/55
40/60
5
125.000
15
10
-40
-55
+2.7
± 50
± 25
15
20
35
40
40/60
45/55
5
10% Vdd 10% Vdd
30
10
DIMENSIONS (mm)
** Note: Internal pullup resistor from
pin 1 to 4 allows active output if pin
1 is left open.
* Note: Inclusive of 25°C tolerance, operating temperature,input voltage change, load change, shock and vibration.
Figure 1) Top, Side and Bottom
views
Figure 2) Suggested Land Pattern
PART NUMBERING GUIDE: Example ECS-3963-200-BN-TR
Pin Connections
Tri-State Control Voltage
Pin #1
Pin #2
Pin #3
Pin #4
Pad 1
Open
70% Vdd Min.
30% Vdd Max.
Oscillation
No Oscillation
Oscillation
Pad 3
3.3 or 5.0V version
3.2 x 5 mm Footprint
Low current consumption
Pb Free/RoHS Compliant
ECS - Series - Frequency Abbreviation - Stability Temperature Symmetry - Packaging
3961 = +5.0V
3963 = +3.3V
Blank = 40/60
T = 45/55
TR = Tape & Reel
1K/Reel
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
Tri-State **
Ground
Output
VDD
+5.0
