ECS-3951C/3953C
SMD Clock Oscillator
The ECS-3951C (5V) and ECS-3953C (3.3V) miniature SMD
crystal controlled, low current clock oscillator in an all ceramic
SMD package.
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OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECS-3951C (+5V)
MIN
1.000
Standard
Extended (N Option)
0
-40
-55
+4.5
Standard
Frequency Stability*
Option B
Option C
•
•
•
•
1.8 ~ 30.0 MHz
3.3 or 5.0V version
5 x 7 mm Footprint
Low Power Consumption
RoHS Compliant (Note 7
Exemption)
30.1 ~ 35.0 MHz
Input Current
35.1 ~ 50.0 MHz
50.1 ~ 66.0 MHz
66.1 ~ 80.0 MHz
Output Symmetry
Rise and Fall Times
“0” Level
“1” Level
Output Load
Startup Time
@50% VDD Level
10% VDD to 90% Level
VOL
VOH
HCMOS
1.8 ~ 36.0 MHz
36.1 ~ 80.0 MHz
VOL=0.5V/0.33V
VOL=4.5V/2.97V
90%* VCC
15
5
10
4
-4
100
+5.0
TYP
MAX
80.000
+70
+85
+125
+5.5
±100
±50
±25
10
15
30
30
50
40/60
10
10%* VCC
90%* VCC
15
5
10
4
-4
150
ECS-3953C (+3.3V)
MIN
1.000
0
-40
-55
+3.0
+3.3
TYP
MAX
125.000
+70
+85
+125
+3.6
±100
±50
±25
8
8
12
15
30
40/60
15
10%* VCC
ECS-3951C/3953C
Parameters
Frequency Range
Operating
Temperature
Storage Temperature
Supply Voltage
Conditions
Units
MHz
°C
°C
°C
VDC
PPM
PPM
PPM
mA
mA
mA
mA
%
%
ns
VDC
VDC
pF
ms
ms
mA
mA
ns
Output Current
Enable/Disable Time
* Note: Inclusive of 25°C tolerance, operating temperature, input voltage change, load change, shock and vibration.
Part Numbering Guide: Example ECS-3951C-500-B-TR
ECS
-
Series
-
Frequency Abbreviations
-
Stability Tolerance
- Temperature
-
Packaging
ECS
3951C +5V
3953C +3.3V
500 = 50 MHz
Blank = ±100 ppm
B = ±50 ppm
C = ±25 ppm
Blank = 0 ~ 70°C
M = -20 ~ +70°C
N = -40 ~ +85°C
TR = Tape & Reel
1K/Reel
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com
ECS-3951C/3953C
SMD Clock Oscillator
Package Dimensions (mm)
Figure 2)
Land Pattern
Figure 1)
Top, Side, and Bottom views
Pin Connections
#1
#2
#3
#4
Tri-State**
Ground
Output
VCC
Pad 1
Open
Tri-State Control Voltage
Pad 3
Oscillation
Oscillation
VCC x 0.9 Min.
VCC x 0.1 Max.
No Oscillation
** Note: Internal pullup resistor from pin 1 to 4
allows active output if pin 1 is left open
ECS-3953C is also compatible with a supply
voltage of +3.0V DC ±0.3V
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com