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Pin Functions:
Pin
Function
Product Description
The JT255 TCXO series is a high performance
temperature compensated oscillator with
a clipped sinewave output for a very low
operating supply current. It supports various
power supply voltages, stabilties and other
features. It is designed to meet existing
application requirements.
1
2
3
4
Ground
Ground
Output
V
DD
CREATED USING CADSTD LITE FREEWARE FROM WWW.CADSTD.COM. NON-COMMERCIAL USE ONLY.
Applications
•
Networking systems
•
Networking
•
GPS/Navigation
•
Metering
•
Mobile and wireless
•
Handset
Part Ordering Information:
JT 255
V X FFFF.FFFFFF
T50 5
A
B
C
Voltage:
1=+3.3V
2=+2.5V
3=+1.8V
4=+1.5V
B=+3.0V
C=+2.8V
D=+2.7V
E=+2.85V
F=+2.75V
G=+2.4V
Stability and Temp Range:
Stability
Temp Range -20/+70C -30/+85C -30/+75C -40/+85C
+/-0.5ppm
A
F
K
P*
+/-1.0ppm
B
G
L
Q
+/-1.5ppm
C
H
M
R
+/-2.0ppm
D
I
N
S
+/-2.5ppm
E
J
O
T
+/-5.0ppm
W
X
Y
U
Frequency:
FFFF.FFFFFF
MHz, “4 digits/decimal/6 digits” format
P* : This option is not available for all frequencies.
Please contact Pericom sales for your special needs.
Following the above format, PSE Technology Corporation part numbers will be assigned
upon confirmation of exact customer requirements.
SaRonix-eCera™ is a Pericom® Semiconductor company
•
US: +1-408-435-0800 TW: +886-3-4518888
•
www.pericom.com
15-0077
All specifications are subject to change without notice.
JT255 REV C
04/07/2015
1
1.8V ~ 3.3VDC Clipped Sinewave TCXO
JT255
Temperature Compensated Crystal Oscillator (TCXO)
2.5 x 2.0 mm
Electrical Performance
Parameter
Min.
Typ.
Max.
Units
Notes
Output Frequency
Supply Voltage
Supply Current
Output Voltage Level
Output Load
Resistance
Capacitance
vs Temperature
Frequency Stability
Static Temperature Hysteresis
Frequency Aging
Frequency Tolerance After Two Reflows
Harmonics
Operating Temperature Range
Storage Temperature Range
Phase Noise at 1KHz offset
Start up Time
vs Load
vs Voltage
10
1.8
52
3.3
1.5
2.0
MHz
V
mA
mA
V
kΩ
pF
ppm
ppm
ppm
ppm
ppm
ppm
dBc
°C
°C
dBc/Hz
ms
At 26MHz
See ordering options
First year, +25°C
@ +25°C±3°C after one hour recovery
See ordering options
±10% load change
±5% supply voltage change at typical
load
See ordering options, VDD ±5%
Output Frequency ≤ 30 MHz
Output Frequency > 30 MHz
Pk-Pk
0.8
9
9
±0.5
10
10
1.4
11
11
±5.0
±0.2
±0.1
±0.6
±1.0
±2.0
-8
-40
-40
-135
85
85
-140
2
Notes:
1. For specifications other than those listed, please contact sales.
2. Not all combinations of V
DD
, Operating Temperature Range, Frequency Stabilty and Output Frequency are available.
3. Frequency Stability vs. Temperature is reference to the mid-point between minimum and maximum frequency values over the specified Operating Temperature
Range
4. Frequency Stability vs. Voltage and vs. Load changes are reference to the Nominal Frequency at 25°C
