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ECS-3955M Datasheet(PDF) 1 Page - ECS, Inc.

Part No. ECS-3955M
Description  SMD CLOCK OSCILLATOR
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Maker  ECS [ECS, Inc.]
Homepage  http://www.ecsxtal.com
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ECS-3955M Datasheet(HTML) 1 Page - ECS, Inc.

   
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45
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD OSCILLATORS
SMD OSCILLATORS
FEATURES
• High capacitive load options
• Low power consumption
• Tri-State Function
• Seam welded package
• Tape & Reel (1,000 pcs STD)
ECS-3955M SERIES
SMD CLOCK OSCILLATOR
The ECS-3955M (5V) ia a high capacitive load
version of our minature, crystal controlled,
low current clock oscillator in an all ceramic
SMD package. The low profile package is
ideal for PC’s, portable applications and
PCMCIA cards.
7.5 max.
1
2
3
4
5.08 max.
1
3
2
4
0.6
1.4
Figure 1) ECS-3955M Series Top, Side and Bottom Views
PACKAGE DIMENSIONS (mm)
PIN CONNECTIONS
#1
TRI-STATE**
#2
GND
#3
OUTPUT
#4
VCC
5.08
1.40
0.01
µF
Figure 2) Land Pattern
ECS-3955M Standby Control Voltage
PIN #1 = OPEN
#3 = OSCILLATION
PIN #1 = +2.2V MIN
#3 = OSCILLATION
PIN #1 = 0.8V MAX
#3 = HIGH IMPEDANCE
Sample Part Number: ECS-3955M-500-B
PART NUMBERING GUIDE
PACKAGE TYPE
FREQUENCY (50.0 MHz)
STABILITY TOLERANCE (B=±50 PPM)
ECS-3955M
500
B
* 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.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
ECS-3955M (5V)
PARAMETERS
CONDITIONS
MIN
TYP
MAX
UNITS
FREQUENCY RANGE
1.800
70.0
MHz
Operating
-10
+70
˚C
TEMPERATURE RANGE
Storage
-55˚
+125
˚C
SUPPLY VOLTAGE
+4.5
+5.0
+5.5
V DC
Standard
±100
PPM
Option (B)
±50
PPM
FREQUENCY STABILITY*
Option (C)
±25
PPM
1.8 ~ 36.0 MHz
30
mA
INPUT CURRENT
36.1 ~ 70.0 MHz
65
mA
OUTPUT SYMMETRY
@ 1/2 VCC Level
40/60
50 ±4
60/40
%
RISE AND FALL TIMES
7
ns
VOL
VCC x 0.1V
V DC
OUTPUT VOLTAGE
VOH
VCC x 0.9V
V DC
LOAD
HCMOS
50
pF
1.8 ~ 36.0 MHz
5
ms
START-UP TIME
36.0 ~ 70.0 MHz
10
ms
VOL
16
mA
OUTPUT CURRENT
(IOL)
(IOH)
VOH
-16
mA
ENABLE/DISABLE TIME
100
ns
(IOL)


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