Q-Tech QT488 - Manual (Page 3)

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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
QT481 AND QT488 SERIES
ULTRA-LOW CURRENT REAL TIME CLOCK OSCILLATORS
2.5Vdc and 3.3Vdc - 32.768kHz
Q-TECH
CORPORATION
QPDS-0008 (Revision A, June 2013) (ECO # 10907)
(5.080 ± 0.13)
0.200 ± .005
0.040
(1.02)
0.197 ± .006
(5.00 ± 0.15)
0.276 ± .006
(7.0 ± 0.2)
(2.54)
0.100
1 2
4 3
0.018±.003
(.46±0.08)
(.20 ± 0.03)
0.008 ± .001
(5.08 ± 0.2)
0.200 ± .008
max.
0.205 ± .010
(5.20 ± 0.25)
R 0.20
(R .008)
(4X)
(0.20)
0.008 0.200±.005
(5.80±0.13)
0.028
(0.72)
P/N
FREQ.
D/C S/N
QT481
0.197 ± .006
(5.00 ± 0.15)
0.276 ± .006
(7.0 ± 0.2)
1 2
4 3
(5.08 ± 0.2)
0.200 ± .008
R 0.20
(R .008)
(4X)
0.060 ± .003
(1.52 ± 0.08)
(.203)
0.008
(1.40 ± 0.08)
0.055 ± .003
0.216
(5.49)
(2.54)
0.100
max.
0.018±.003
(.46±0.08)
(0.20)
0.008
0.028
(0.72)
P/N
FREQ.
D/C S/N
3º to 5º typ.
detail A’
A’
QT482
(1.40 ± 0.08)
0.055± .003
0.216
(5.49)
(.203)
0.008
0.197 ± .006
(5.00 ± 0.15)
0.276 ± .006
(7.0 ± 0.2)
(5.08 ± 0.2)
0.200 ± .008
R 0.200
(R .008)
(4X)
0.060 ± .003
(1.52 ± 0.08)
(2.54)
0.100
max.
0.018±.003
(.46±0.08)
(0.20)
0.008
0.028
(0.72)
2
4 3
1
P/N
FREQ.
D/C S/N
A’
3º to 5º typ.
detail A’
QT483
.102
(2.6)
0.055
(1.4)
0.040
(1.0)
(2.0)
0.079
1 2
3 4
max.
0.197±.006
(5.00±0.15)
0.276±.006
(7.0±0.2)
1 2
4 3
(5.08±0.2)
0.2±.008
R 0.200
(R .008)
(4X)
P/N
FREQ.
D/C S/N
QT484
0.290±0.005
(7.37±0.13)
0.350±0.005
(8.89±0.13)
0.100±0.005
(2.54±0.13)
0.200±0.005
(5.08±0.13)
0.170 Max.
(4.32)
0.018±0.003
(0.457±0.076)
0.315 max.
(8.00 max.)
0.240±0.005
(6.10±0.13)
0.040 Max.
(1.02)
1 2
4 3
Q-TECH
P/N
FREQUENCY
D/C S/N
QT488 QT489 QT490 QT492
1 2
4 3
0.350±0.005
0.290±0.005
0.130
0.018±.003
(8.00 max.)
(5.080±0.13)
0.100±.005
0.200±.005
(.457±0.076)
(8.89±0.13)
(7.37±0.13)
(2.54±0.13)
(5.080±0.13)
(3.30)
0.050
(1.27)
(.203)
FREQ.
Q-TECH
D/C S/N
0.315 max.
0.200±.005
0.008
MAX.
P/N
.190 MAX.
(4.826 MAX.)
(.203)
(8.00 max.)
(10.16 ± .13)
.008
.315 max.
.400 TYP.
1 2
4 3
.350 ± .005
.290 ± .005
.100 ± .005
.200 ± .005
(8.89 ± .13)
(7.37 ± .13)
(2.54 ± .13)
(5.08 ± .13)
FREQ.
Q-TECH
D/C S/N
4 X .048 ± .002
(1.22 ± .051)
4 X
.018 ± .003
(.457 ± .076)
P/N
4 X
.290 ± .005
.190 MAX.
(1.396 ± .13)
.200 ± .005
.048 ± .002
(1.22 ± .051)
(7.37 ± .13)
(5.08 ± .13)
.100 ± .005
(2.54 ± .13)
(4.826 MAX.)
(.203) (2.794 ± .13)
(8.00 max.)
.315 max.
.055 ± .005
.008 .110 ± .005
1 2
4 3
.350 ± .005
(8.89 ± .13)
4 X
.018 ± .003
(.457 ± .076)
Q-TECH
P/N
FREQ.
D/C S/N
Pin No. Function
1 TRISTATE or NC
2 GND/CASE
3 OUTPUT
4 VDD
Package Outline and Pin Connections - Dimensions are in inches (mm)