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ECS-3951C Schematic ( PDF Datasheet ) - ECS

Teilenummer ECS-3951C
Beschreibung (ECS-3951C / ECS-3953C) SMD CLOCK OSCILLATOR
Hersteller ECS
Logo ECS Logo 




Gesamt 1 Seiten
ECS-3951C Datasheet, Funktion
www.DataSheet4U.com
ECS-3951C/3953C SERIES SMD CLOCK OSCILLATOR
The ECS-3951C (5V) and ECS-3953C (3.3V)
Series are miniature, crystal controlled, low
current clock oscillator in a ceramic SMD
package. The low profile package is ideal
for today’s advanced portable PC and
instrumentation designs.
FEATURES
• 3.3 or 5.0V version
• Miniature profile
• Low power consumption
• Standby function
• Tape & Reel (1,000 pcs)
PART NUMBERING GUIDE
ECS-3951C
FREQUENCY (50.0 MHz)
– 500
Sample Part Number: ECS-3951C-500-B
STABILITY TOLERANCE (±50 PPM)
–B
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
FREQUENCY RANGE
TEMPERATURE RANGE
SUPPLY VOLTAGE
FREQUENCY STABILITY**
INPUT CURRENT
OUTPUT SYMMETRY
RISE AND FALL TIMES
LOGIC 0LEVEL
LOGIC 1LEVEL
LOAD
START-UP TIME
OUTPUT CURRENT
(IOL)
(IOH)
ENABLE/DISABLE TIME
CONDITIONS
Operating
Storage
Standard
Option (B)
Option (C)
1.8 ~ 30.0 MHz
30.0 ~ 35.0 MHz
35.0 ~ 50.0 MHz
50.0 ~ 66.0 MHz
66.0 ~ 80.0 MHz
@ 1/2 VCC Level
VCC x 0.1V max.
VCC x 0.9V min.
HCMOS
1.8 ~ 36.0 MHz
36.0 ~ 80.0 MHz
VOL=0.5V/0.33
VOH=4.5V/2.97V
MIN
1.800
0
-55
+4.5
-100
-50
-25
ECS-3951C (5V)
TYP
+5.0
±40
40/60
50 ±4
MAX
80.000
+70
+125
+5.5
+100
+50
+25
10
15
30
30
50
60/40
10
15
5
10
4
-4
100
* ECS-3953C is also compatible with a supply voltage of +3.0V DC ±0.3V
** Inclusive of 25˚C tolerance, operating temperature range, input voltage change, load change, aging shock and vibration.
*** An internal pullup resistor from pin 1 to 4 allows active output if pin 1 is left open.
Note: A 0.01 µF bypass capacitor should be placed between VCC (Pin 4) and GND (Pin 2) to minimize power line noise.
PACKAGE DIMENSIONS (mm)
5.08
43
1.60 ±0.15
1
2
1.40
7.5 ±0.2
1
2
4
1.00
Figure 1) ECS-3951C/3953C Top, Side and Bottom views
3
5.08
Figure 2) Land Pattern
MIN
1.800
0
-55
+3.0
100
-50
-25
40/60
ECS-3953C (3.3V)*
TYP MAX
80.000
+70
+125
+3.3 +3.6
±40 +100
+50
+25
8
8
12
15
30
50 ±4
60/40
15
15
5
10
4
-4
100
UNITS
MHz
˚C
˚C
V DC
PPM
PPM
PPM
mA
mA
mA
mA
mA
%
ns
pF
ms
ms
mA
mA
ns
0.01µF
PIN CONNECTIONS
#1 TRI-STATE***
#2 GND
#3 OUTPUT
#4 VCC
ECS-3951C/3953C Standby Control Voltage
PIN #1 = OPEN ***
#3 = OSCILLATION
PIN #1 = VCCx0.9 MIN #3 = OSCILLATION
PIN #1 = VCCx0.1 MAX #3 = HIGH IMPEDANCE
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
DataSheet4 U .com
SMD OSCILLATORS 42 SMD OSCILLATORS





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