Q-Tech QT92RD User Manual

Page 2

Advertising
background image

MIL-PRF-55310/40B

2

REQUIREMENTS:

Interface and physical dimensions: See

figure 1

.


Mounting: See

figure 1

.


Terminals: See

figure 1

.


Seal: Hermetic in accordance with

MIL-PRF-55310

, maximum leakage rate 5 x 10

-8

atm cc/s.


Weight: 3 grams, maximum.

Oscillator: Class 2 or any class 1 or class 3 oscillator meeting all class 2 requirements and verification tests
specified herein and in

MIL-PRF-55310

.


Calibration: Manufacturer calibrated.

Screening: In accordance with

MIL-PRF-55310

, product level B or S, as applicable.


Temperature:

Operating: See

table I

.


Storage: -62

°C to +125°C.


Load test circuit: See

figure 2

.


Output waveform: Symmetrical square wave, 1.8 volt CMOS logic compatible (see

figure 3

).


Output logic voltage levels at designated CMOS (see

figure 3

):


Logic 1: 90 percent of V

DD

, minimum.


Logic 0: 10 percent of V

DD

, maximum.


Rise and fall times: (See table I) Measurements shall be taken at the 10 percent and 90 percent peak-to
-peak output voltage levels, with peak-to-peak output defined as level 1-level 0 (see figure 3).

Duty cycle: See

table I

and

figure 3

.


Supply voltage: +1.8 V dc

±10 percent.


Input current: At designated supply voltage (see

table I

).


Enable/disable:

Output disabled (high impedance): Pin 1 input

≤ 0.3 x Vdd


Output active: Pin 1 input

≥ 0.7x Vdd dc or open.


Output frequency: Frequency as designated at time of acquisition (see

table I

).


Initial accuracy at reference temperature (up to 30 days after shipment): See

table I

.

Advertising