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Q-tech, Low profile qt84, Reflow profile – Q-Tech QT84 User Manual

Page 4: Embossed tape and reel information for qt84, Environmental and mechanical specifications, 4 of 6

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Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com

LOW PROFILE QT84

MINIATURE SMD CRYSTAL OSCILLATORS

1.8 to 5.0Vdc - 500kHz to 160MHz

Q-TECH

CORPORATION

QPDS-0003, Rev G, February 2013 (ECO# 10720)

Vdd

GND

0.1xVdd

0.9xVdd

VOH

VOL

Tr

Tf

TH

T

0.5xVdd

SYMMETRY = x 100%

TH

T

Output Waveform (Typical)

Frequency vs. Temperature Curve

Test Circuit

The Tristate function on pin 1 has a built-in pull-up resistor so it can be left

floating or tied to Vdd without deteriorating the electrical performance.

Reflow Profile

0

20

40

60

80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420

Time (s)

25

50

75

100

125

150

175

200

225

250

TEMP(*C)

0

60s min.

120s max.

60s min.

120s max.

225º min.

240º max.

60s min.

150s max.

240º

Ramp down (6ºC/s Max)

Ramp up (3ºC/s Max)

TYPICAL REFLOW PROFILE FOR Sn-Pb ASSEMBLY

Embossed Tape and Reel Information for QT84

Dimensions are in mm. Tape is compliant to EIA-481-A.

Environmental Test

Test Conditions

Temperature cycling

MIL-STD-883, Method 1010, Cond. B

Constant acceleration

MIL-STD-883, Method 2001, Cond. A, Y1

Seal: Fine and Gross Leak

MIL-STD-883, Method 1014, Cond. A and C

Vibration sinusoidal

MIL-STD-202, Method 204, Cond. D

Shock, non operating

MIL-STD-202, Method 213, Cond. I

Resistance to solder heat

MIL-STD-202, Method 210, Cond. B

Resistance to solvents

MIL-STD-202, Method 215

Solderability

MIL-STD-202, Method 208

ESD Classification

MIL-STD-883, Method 3015, Class 1 HBM 0 to 1,999V

Moisture Sensitivity Level

J-STD-020, MSL=1

Reel size (Diameter in mm) Qty per reel (pcs)

178

1,000

-

-

Output

Ground

4

3

2

0.1µF

15pF

1

Tristate Function

Power

supply

10k

mA

Vdc

+

+

+

(*)

or

0.01µF

QT84

(*) CL includes probe and jig capacitance

Typical test circuit for CMOS logic

Environmental and Mechanical Specifications

-50

-40

-30

-20

-10

0

10

20

30

40

50

-55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105

Frequency Stability (PPM)

Temperature (°C)

FVT QT84HC6-3.6864MHz

Ø178±1

26

FEEDING (PULL) DIRECTION

Ш13.0±0.5

120°

2.5

0.16

Ш1.5

12±0.1

2.0

1.75±0.1

0.3±.005

2.0±0.1

24.0±0.3

5.72±0.1

4.0±0.1

or

Ш330±1

Ш1.5

7.70

11.5

5°Max

P/N

FREQUENCY

D/C S/N