HT RTCXO
High Temperature
Low Power Real Time Clock Crystal Oscillators
Features
• Continuous operating temperature range -55°C to 200°C
• 1.8, 2.5, 3.3 or 5.0 Vdc operation
• Output frequency 32.768 KHz
• 4-point crystal mount for Harsh Environment Applications
• High Shock and Vibration Survival
• Offer three standard product footprints
• Product is free of lead and compliant to EC RoHS directive
• Low current consumption option available
• Made in USA
Applications
Block Diagram
Crystal
Resonator
Oscillator
Circuit
Output
Buffer
HT RTC XO
Output
Xin
RTC
Chipset
1 of 6
Performance Specifications
PX-702
Specification Parameters
PX-570
Values
PX-420
Current (low)
Output
Operating Temperature
W
°C
to +200°C
±
Fine
Temperature Cycling
Physical Specifications and Marking
PX-702
Part #
Frequency
Date Code
#4
5.00 0.15
1.40
1.20
#5
#6
Bottom View
#1
#2
#3
Pin
1
Function
Pin #1
7.00 0.15
5.08
2.54
RF Output
6
V
CC
1.80
Pin
1
6
Function
0.315±0.010
[8.01±0.25]
RF Output
0.070±0.010
[1.78±0.25]
R 0.010
[0.25]
93±3°
0.050±0.005
[1.26±0.13]
PX-570
6
1
V
CC
.315±.010 8.01±0.25
.335±.008 8.51±0.20
.315±.010 8.01±0.25
.115±.010 2.91±0.25
.030±.010 0.76±0.25
.134 3.40
.185 4.69
.047±.005 1.19±0.13
.018±.002 0.46±0.05
.100±.005 2.54±0.13
.200±.005 5.08±0.13
+0.05
+.002
0.25
.010
+0.03
+.001
.070±.010 1.78±0.25
R.010 0.25
.050±.005 1.26±0.13
.395±.005 10.02±0.13
PX-420
Pin
1
Function
RF Output
V
CC
Test Circuit
Temperature Stability Performance
7\SLFDO 7HPSHUDWXUH 3HUIRUPDQFH 8VLQJ 6WDQGDUG 6WDELOLW\ &U\VWDO
200
100
80
60
7\SLFDO 7HPSHUDWXUH 3HUIRUPDQFH 8VLQJ 7LJKW 6WDELOLW\ &U\VWDO
150
Fractional Frequency (ppm)
100
Fractional Frequency (ppm)
40
20
0
-20
-40
-60
50
0
-50
-100
-150
-80
-100
-200
-55
-30
-5
20
45
70
95
120
145
170
195
-55
-30
-5
20
45
70
95
120
145
170
195
Current Stability Performance
Current Consumption Performance
Typical Current Consumption of Vectron's Standard Current
RTC @ 32.768KHz
500
150
140
130
120
3.3V
2.5V
Current uA
Typical Current Consumption of Vectron's Lower Current
RTC @ 32.768KHz
450
400
Current uA
110
100
90
80
70
60
1.8V
2.5V
3.3V
5.0V
350
300
250
-60
-40
-20
0
20
40
60
80
100 120 140 160 180 200
Temperature (deg C)
50
-60
-40
-20
0
20
40
60
80
100 120 140 160 180 200
Temperature (deg C)
Ordering Information
PX - 7020 - E A 2 - W X X X - 32K7680000
Frequency
Product Family
Crystal Oscillator
Package Type
Current Option
Screening Option
Enable
Supply Voltage
Temp Stability (PX)
Output
Temperature Range
Temp Range
Temp Stability
±
PX-702 , PX-570 , PX- 420, HT RTC XO
°
°C
±
±
±
±
*Contact factory for custom
°
°C
±
±
±
°
°C
±
±
±
±
°
°C
±
±
±
±
°
°C
±
±
±
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