Low current consumption
Built in divider circuit
8-pin DIP Package
ECS-300C
DUAL OUTPUT CMOS CLOCK OSCILLATOR
The ECS-300C utilizes a built in divider circuit to provide
a second divided output. The CMOS based oscillator
features low current consumption in a standard 8-pin
DIP package.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Stability *
Operating Temperature
Storage Temperature
Input Voltage
Input Current
Output Symmetry
Rise and Fall Times
Output Voltage
Output Load
Startup time
VOL
VOH
CMOS
V
cc
x 0.9
CONDITIONS
Primary Output
Divided Output
All Conditions
ECS-300C
MIN
12.000
0.048875
-10
-55
+3.0
40/60
48/52
TYP
MAX
24.000
12.000
± 100
+70
+125
+5.5
20
60/40
52/48
15
V
cc
x 0.1
UNITS
MHz
MHz
ppm
°C
°C
VDC
mA
%
%
ns
VDC
VDC
pF
ms
V
cc
Primary Output
Divided Output
+5.0
50
1.5
POSSIBLE FREQUENCY DIVISIONS BY PART NUMBER
ECS PART NUMBER
ECS-300C-120
ECS-300C-160
ECS-300C-240
f
o CLOCK
Pin 1
�½*
1
12.000 MHz
16.000 MHz
24.000 MHz
6.000 MHz
8.000 MHz
�½*
2
3.000 MHz
4.000 MHz
f
o/2ⁿ (Divided Output) PIN 2
�½*
3
�½*
4
�½*
5
�½*
6
1.500 MHz
2.000 MHz
3.000 MHz
750 KHz
1.000 MHz
1.500 MHz
375 KHz
500 KHz
750 KHz
187.5 KHz
250 KHz
375 KHz
�½*
7
93.75 KHz
125 KHz
187.5 KHz
�½*
8
46.875 KHz
62.5 KHz
93.75 KHz
12.000 MHz 6.000 MHz
DIMENSIONS (mm)
#1
#2
#3
#4
#5
#6
#7
#8
Pin Connections
Output
Divided Output
Standby
Ground
A (Divider selection)
B (Divider selection)
C (Divider selection)
V
CC
C
L
L
L
L
H
H
H
H
X
Input
Divider Selection
B
L
L
H
H
L
L
H
H
X
A
L
H
L
H
L
H
L
H
X
Output
ST
H
H
H
H
H
H
H
H
L
Pin 1
(Primary Output)
fo clock
fo clock
fo clock
fo clock
fo clock
fo clock
fo clock
fo clock
L
Pin 2
(Divided Output)
fo �½ *
1
clock
fo �½ *
2
clock
fo �½ *
3
clock
fo �½ *
4
clock
fo �½ *
5
clock
fo �½ *
6
clock
fo �½ *
7
clock
fo �½ * clock
L
STANDARD FREQUENCIES
12.000 MHz, 12.288 MHz, 12.800 MHz,
14.31818 MHz, 14.7456 MHz, 15.9744 MHz,
16.000 MHz, 16.384 MHz, 17.734476 MHz,
18.432 MHz, 19.6608 MHz, 20.000 MHz,
and 24.000 MHz
Figure 1) Top, Side and End views
Figure 2) Block Diagram
PART NUMBERING GUIDE: Example ECS-300C-120
ECS
-
Series
300C
-
Frequency Abbreviation
120 = 12.000 MHz
* Note: Inclusive of 25°C tolerance, operating temperature,input voltage change, load change, shock and vibration.
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
ECS [ ECS, INC. ]
