Oscilent Corporation | 493 Series Surface Mount Crystal Oscillators
Page 1 of 2
SMD Oscillators
Series Number
Package
Description
Last Modified
493
6 Pad PCB Base
PECL Output
Jan. 01 2007
FEATURES
- Wave form symmetry of 45/55%
- PECL / LVPECL output
- Industry standard 6 Pad PCB SMD Package
- RoHs / Lead Free compliant
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Output Logic
Input Voltage (VDD)
Frequency Range (f
O
)
Operating Temperature (T
OPR
)
Storage Temperature (T
STG
)
Overall Frequency Stability
CONDITIONS
-
-
-
-
-
-
(a) Frequency Tolerance
(b) Temperature Stability
(c) Input Voltage Stability
(d) Load Stability
Input Current (I
DD
)
Aging
Rise Time (T
R
)
Fall Time (T
F
)
Output Voltage High "1" VOH
Output Voltage Low "0" VOL
Load
Duty Cycle
Jitter
-
@ 25°C
20% to 80% of Waveform
20% to 80% of Waveform
PECL
PECL
Vdd - 2.0Vdc
50% of Waveform
RMS
Vcc - 1.025 min.
Vcc - 1.620 max.
50
50 ±10 (Std.) / 50 ±5 (Option)
1 max.
3.3 ±5%
19.440 ~ 180.000
0 ~ +70 (Std.) / -40 ~ 85 (Option)
-55 ~ +125
±20, ±25, ±50, ±100 max.
Inclusive of Overall Stability
Inclusive of Overall Stability (Operating Temperature)
Inclusive of Overall Stability (VDD ±5%)
Inclusive of Overall Stability (RL ±5%)
80 max.
±3 max.
1 max.
1 max.
Vcc - 0.88 min.
Vcc - 1.555 max.
120 max.
CHARACTERISTICS
Positive ECL Square Wave (PECL)
5.0 ±5%
UNITS
-
V
MHz
°C
°C
ppm
-
-
-
-
mA
ppm/Y
nS
nS
Vdc
Vdc
Ohms
%
pS
PIN CONNECTIONS
Oscilent Corporation | 493 Series Surface Mount Crystal Oscillators
Page 2 of 2
#1 Tri-State or No Connection
#2 No Connect or Tri-State
#3 Ground
#4 Output
#5 Complimentary Output
#6 +Vcc
PART NUMBER GUIDE
Series
Number
Frequency
Voltage
Supply
Option
Frequency
Tolerance &
Stability (max.)
Operating Temp.
(°C)
Duty Cycle
Tri-State Pin
Position
493
Oscilent
SMD
Oscillators
- 28.0 M
Enter your freq.
e.g. 28.0M = 28.00 MHz
-3
5 = 5VDC
3 = 3.3VDC
D=
E=
F=
G=
E
±100 PPM
±50 PPM
±25 PPM
±20 PPM
N
Blank* = 0~+70
D = -20~+70
K = -30~+85
N = -40~+85
P = 0~+85
-T
Blank*= 50±10%
T = -50±5%
TS1
TS1 = Pin # 1
TS2 = Pin # 2
NOTE:
- Deviations on all parameters available. Please consult Oscilent for details.
DEFINITIONS:
- Click on the characteristic names above, for definitions of the particular characteristic.
*STANDARDS:
- "Blank" part number selections, indicate standard variables for the particular characteristic.
PACKAGING:
- Add
-TR
for Tape/Reel. Click
here
for tape/reel specifications
Oscilent Corporation
-
CALL
949.252.0522
18195 East McDurmott Street . Building D . Irvine . CA 92614 . USA
Fax: 949.252.0599 . E-Mail: Sales@Oscilent.com
Series No.:
493
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