Owner's manual
Available Combinations of
Operating Temperature Range vs. Frequency Stability
1 2 3 4 5 6 7 8
A
✓ ✓ ✓ ✓
B
✓ ✓ ✓
C
✓ ✓
D
✓ ✓
E
✓ ✓
F
✓ ✓
G
✓ ✓
H
✓ ✓
I
✓ ✓
J
✓ ✓
K
✓ ✓
L
✓ ✓
M
✓ ✓
N
✓ ✓
O
✓ ✓
P
✓ ✓
Not every combination of Operating Temperature
range and Frequency Stability will be available.
See TABLE I and TABLE II below:
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-tech.com
QT581 AND QT588 SERIES
ULTRA-LOW CURRENT, HIGH-TEMPERATURE REAL TIME CLOCK OSCILLATORS
2.5Vdc and 3.3Vdc - 32.768kHz
Q-TECH
CORPORATION
QPDS-0007 (Rev A, January 2013) (ECO #10336)
4 of 7
Ordering Information
Packaging Options Other Options Available For An Additional Charge
Specifications subject to change without prior notice.
• Standard packaging in black foam
• Standard packaging in anti-static plastic tube (60 pcs/tube)
• Tape and Reel (800 pcs/reel) is available for an additional
charge.
• P. I. N. D. test (MIL-STD 883, Method 2020, Condition B)
Screening Option:
Blank = No Screening
M = Per MIL-PRF-55310, Level B
Operating Temperature Option:
A = 0ºC to + 150ºC
B = 0ºC to + 175ºC
C = 0ºC to + 185ºC
D = 0ºC to + 200ºC
E = -20ºC to + 150ºC
F = -20ºC to + 175ºC
G = -20ºC to + 185ºC
H = -20ºC to + 200ºC
I = -40ºC to + 150ºC
J = -40ºC to + 175ºC
K = -40ºC to + 185ºC
L = -40ºC to + 200ºC
M = -55ºC to + 150ºC
N = -55ºC to + 175ºC
O = -55ºC to + 185ºC
P = -55ºC to + 200ºC
For Non-Standard requirements, contact Q-Tech Corporation at Sales@Q-Tech.com
Frequency Stability Option:
1 = ± 40ppm
2 = ± 50ppm
3 = ± 75ppm
4 = ± 100ppm
5 = ± 150ppm
6 = ± 175ppm
7 = ± 200ppm
8 = ± 250ppm
Package:
(See page 3)
Logic & Supply Voltage:
L = LVHCMOS +3.3V
N = LVHCMOS +2.5V
Solder Dip Option:
T = Standard
S = Solder Dip (*)
G = Solder Dip (*)
High Temperature
Real Time Clock Oscillator
(*) Hot Solder Dip options for an additional cost:
S = Sn60/Pb40 per MIL-PRF 55310
G = Lead free Alloy SAC305 (96.5% Sn, 3% Ag, 0.5% Cu)
Available Combinations of
Operating Temperature Range vs. Frequency Stability
1 2 3 4 5 6 7 8
A
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
B
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
C
✓ ✓ ✓ ✓ ✓ ✓
D
✓ ✓ ✓ ✓ ✓ ✓
E
✓ ✓ ✓ ✓ ✓ ✓
F
✓ ✓ ✓ ✓ ✓ ✓
G
✓ ✓ ✓ ✓ ✓ ✓
H
✓ ✓ ✓ ✓ ✓ ✓
I
✓ ✓ ✓ ✓ ✓
J
✓ ✓ ✓ ✓ ✓
K
✓ ✓ ✓ ✓ ✓
L
✓ ✓ ✓ ✓ ✓
M
✓ ✓ ✓ ✓ ✓
N
✓ ✓ ✓ ✓ ✓
O
✓ ✓ ✓ ✓ ✓
P
✓ ✓ ✓ ✓ ✓
TABLE I (QT581 SERIES) TABLE II (QT588 SERIES)
Q T 5 81 L D 7 M- 3 2. 76 8kHz
(Sample part number)
QT 58 1LD7M -3 2.768 kHz
Output Frequency