![](http://datasheet.mmic.net.cn/170000/QT78LD1M-FREQ2_datasheet_9712612/QT78LD1M-FREQ2_2.png)
4
3
1
2
.310
.180 max
.550
2
.350
4
3
.200
.115 max
(2.92)
leedless,
QT75
*
1
(13.97)
(8.89)
(5.08)
(7.87)
(4.57)
Temperature Vs.
Stability Options
*requires external tuning, consult the factory
Code +/-PPM
Temp. C
1
100
0 to +70
3*
5
0 to +50
4
50
0 to +70
5
25
-20 to +70
6
50
-55 to +105
9
50
-55 to +125
10
100
-55 to +125
11
50
-45 to +85
12
100
-45 to +85
o
.390
(9.91)
.200
(5.08)
.130
(3.30)
.130
(3.30)
.270
(6.86)
.070
(1.78)
Suggested PCB Footprint
Q-TECH
Corporation
10150 West Jefferson Boulevard
Culver City, CA 90232
Tel: 310.836.7900
Fax: 310.836.2157
Email: sales@q-tech.com
www .q-tech.com
Q
-
T e
c h
C o r p o r
a t
i o
n
ISO
9001
C E
R T I F I E D
R E G
I S T E R E
D
with J leads
w/o J leads
Pin Connections
Pin # Function
1
Enable (optional)*
2
Ground
3
Output
4
Vcc
Low Phase Jitter
Tri-State Output
Low Current Designs
Screening per MIL-PRF-55310 level B
Various Lead and Pad Configurations
Voltage Controlled (request data sheet)
Solder Dipped Leads / Solderability Testing
Temperature Sensor (consult the factory)
Options.....
Package
Outline
Drawing
Enable Control
Output
Logic “1”
Enabled
Logic “0”
Disabled
(high impedance)
Applications.....
All Military Ruggedized Aps.
Commercial Aircraft
Cellular Base Stations
PCS Base Stations
Test Equiptment
Synthesizers
Avionics
High-Reliability
Surface Mount
Crystal Oscillators
Optional Enable Function
Electrical
Specifications.....
TTL
HCMOS
ACMOS
Low Voltage
Frequency Range:
15 KHz to 85 MHz
30 Hz to 125 MHz
15 KHz to 125 MHz
Temperature Stability:
See Table
Supply Voltage:
+5.0V +/-10%
+3.3V +/-10%
Symmetry (max.):
(@ 1.4V)
(@ 1/2 VCC)
30 Hz to 15 KHz
n/a
45/55%
n/a
15 KHz to 15 MHz
45/55%
15 MHz to 85 MHz
40/60%
45/55%
85 MHz to 100 MHz
n/a
40/60%
100 MHz to 125 MHz
n/a
40/60%
Supply Current (max.):
no load condition-
30 Hz to 15 KHz
n/a
20 mA
n/a
15 KHz to 15 MHz
10 mA
20 mA
6 mA
5 MHz to 30 MHz
15 mA
7 mA
30 MHz to 60 MHz
25 mA
35 mA
12 mA
60 MHz to 85 MHz
40 mA
45 mA
30 mA
85 MHz to 100 MHz
n/a
45 mA
30 mA
100 MHz to 125 MHz
n/a
55 mA
30 mA
Rise Time / Fall Times (max.):
30 Hz to 30 MHz
5/5 nS
10/10 nS
3/3 nS
30 MHz to 85 MHz
3/3 nS
5/5 nS
3/3 nS
85 MHz to 100 MHz
n/a
5/5 nS
3/3 nS
100 MHz to 125 MHz
n/a
3/3 nS
Load:
10 TTL, < 85 MHz
10K Ohm +15 pF
15 pF
6 TTL, > 85 MHz