ECS-21K-30B ECS Inc, ECS-21K-30B Datasheet

MONO CRYST FILTER 50KHZ 4P 2PC

ECS-21K-30B

Manufacturer Part Number
ECS-21K-30B
Description
MONO CRYST FILTER 50KHZ 4P 2PC
Manufacturer
ECS Inc
Type
Monolithic Crystal Filtersr

Specifications of ECS-21K-30B

Frequency
21.4MHz Center
Impedance
1.8K Ohm
Filter Type
Monolythic Crystal
Insertion Loss
2dB
Ripple
1dB
Package / Case
3 Pin SIP
Mounting Type
Through Hole
Operating Temperature Range
- 20 C to + 70 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
X712
ECS-3951M/3953M
PART NUMBERING GUIDE
Sample Part Number: ECS-3951M-500-B
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
* ECS-3953M 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)
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
PARAMETERS
FREQUENCY RANGE
TEMPERATURE RANGE
SUPPLY VOLTAGE
FREQUENCY STABILITY**
INPUT CURRENT
OUTPUT SYMMETRY
RISE AND FALL TIMES
LOGIC “0” LEVEL
LOGIC “1” LEVEL
LOAD
START-UP TIME
OUTPUT CURRENT
ENABLE/DISABLE TIME
PACKAGE TYPE
ECS-3951M
4
1
Figure 1) ECS-3951M/3953M Top, Side and Bottom views
7.5 max.
3
2
(IOL)
(IOH)
FREQUENCY (50.0 MHz)
1
4
VOL=4.5V/2.97V
100.0 ~ 125.0 MHz
70.0 ~ 100.0 MHz
70.0 ~ 125.0 MHz
70.0 ~ 100.0 MHz
5.08 max.
36.0 ~ 70.0 MHz
@ 1/2 V
36.0 ~ 70.0 MHz
V
V
1.8 ~ 36.0 MHz
1.8 ~ 70.0 MHz
1.8 ~ 36.0 MHz
VOL=0.5V/0.33
0.6
CC
CC
CONDITIONS
Option (B)
Option (C)
Operating
500
Standard
HCMOS
Storage
x 0.1V max.
x 0.9V min.
CC
2
3
Level
The ECS-3951M (5V) and ECS-3953M (3.3V)
Series are miniature, crystal controlled, low
current clock oscillators in a ceramic SMD
package. Package is seam welded with a
metal lid. The low profile package is ideal
for today’s advanced portable PC and
instrumentation designs.
1.4
SMD OSCILLATORS
1.800
40/60
+4.5
-100
MIN
-10
-55
-50
-25
1.40
SERIES
STABILITY TOLERANCE (±50 PPM)
ECS-3951M (5V)
50 ±4
+5.0
TYP
±40
Figure 2) Land Pattern
5.08
44
B
SMD OSCILLATORS
SMD CLOCK OSCILLATOR
125.0
60/40
+125
+100
MAX
+5.5
+70
+50
+25
100
20
55
60
65
15
30
10
15
-4
5
5
4
0.01µF
• 3.3 or 5.0V version
• Low power consumption
• Standby function
• Seam welded package
• Tape & Reel (1,000 pcs)
• PbFree/RoHS Compliant
FEATURES
1.800
40/60
–100
+3.0
MIN
-10
-55
-50
-25
ECS-3953M (3.3V)*
ECS-3951M/3953M Standby Control Voltage
PIN #1 = OPEN***
PIN #1 = +2.2V MIN
PIN #1 = 0.8V MAX
PIN CONNECTIONS
#1
#2
#3
#4
50 ±4
+3.3
TYP
±40
TRI-STATE***
125.00
60/40
+125
+100
MAX
+3.6
OUTPUT
+70
+50
+25
100
15
25
30
30
15
10
15
-4
5
5
5
4
GND
V
CC
#3 = HIGH IMPEDANCE
#3 = OSCILLATION
#3 = OSCILLATION
UNITS
V DC
MHz
PPM
PPM
PPM
mA
mA
mA
ms
ms
ms
mA
mA
nS
nS
pF
˚C
˚C
ns
%

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