Designing and manufacturing innovative frequency control devices since 1927
Half-Size, TTL and HCMOS Compatible Clock Oscillators
975H
M
975HHT
*
M
985H
M
985HHT
*
*Tristate / Enable-Disable
Monitor Products’ 975H/HHT and 985H/HHT series of half-size clock oscillators combine state-of-the-art,
thick film, hybrid technology with precision manufacturing, resulting in products of unsurpassed
accuracy and reliability. Their all-metal, resistance-welded cases ensure environmental protection and
shielding to minimize EMI/RFI.
FEATURES
M
Low power
consumption
M
Surface mount option
M
Tristate function on
975HHT & 985HHT
975H
985H
975HHT
985HHT
Units = mm
APPLICATIONS
M
Systems clock
M
Disk drives
M
Cameras
M
Computer applications
M
Measuring instruments
M
Communications
equipment
ELECTRICAL
SPECIFICATIONS
Supply Voltage
Frequency Range
Load
Capacitance
Input Current
(max)
Rise & Fall
Time (max)
Operating Temp
Range
Symmetry
Freq Stability
Logic 0 Level
Logic 1 Level
HCMOS
975H
HCMOS/Tristate
975HHT
HCMOS
985H
HCMOS/Tristate
985HHT
5.0 VDC
!
0.5 V
1.0~100.0 MHz
3.0 VDC
!
0.3 V
1.0~70.0 MHz
1.0 ~ 49.9 MHz = 50pF
50.0 MHz & up =
5 TTL or 10 LSTTL or 15pF max
5 TTL or 10 LSTTL or 15pF max
1.0 ~ 20.0 MHz: 20 mA
20.1 ~ 70.0 MHz: 40 mA
70.1 ~ 100.0 MHz: 60 mA
1.0 ~ 25.0 MHz: 10 nS
25.1 ~ 70.0 MHz: 6 nS
70.1 ~ 100.0 MHz: 4 nS
1.0 ~ 20.0 MHz: 10 mA
20.0 ~ 70.0 MHz: 20 mA
1.0 ~ 25.0 MHz: 10 nS
25.1 ~ 70.0 MHz: 6 nS
Monitor Products has a proven
track record as a pioneer
manufacturer in the frequency
control market. If our extensive
selection of standard and
engineered crystals and
oscillators does not meet your
spec, we will work with you
towards a customized solution.
01C ~ 701C standard
(extended temp ranges available - call factory for other options)
60%/40% @
2
Vdd max std (55%/45% available)
!
100 ppm standard (! 25 ppm available)
10% x Vdd min
90% x Vdd max
Monitor Products Company Inc reserves the right to make changes to its products and product specifications without notice. No liability is assumed as a result of their use or application.
05-25-01
502 VIA DEL MONTE, OCEANSIDE, CA 92054
TEL:
760.433.4510
FAX:
760.434.0255
975H
M
975HHT
M
985H
M
985HHT
ENVIRONMENTAL PERFORMANCE SPECIFICATIONS
Oper Temp Range
Storage Temp Range
Vibration
Shock
Humidity
Hermetic Seal
Reflow Solderability
Solderability
01C~701C (call factory for other ranges)
-551C~1251C
MIL-STD-202F, Method 204,
35G, 50 to 2000 Hz
MIL-STD-202F Method 213B,
Test Cond E, 1000G, 1/2 Sine Wave
85% RH, 851C, 48 Hours
Leak Rate 2 x 10
-8
ATM-cm
3
/sec max
2601C, 10 secs max
MIL-STD-202F, Method 208E
TEST CIRCUIT
TYPICAL OUTPUT WAVEFORM
PART
NUMBERING
KEY
SERIES
975H
=
975HHT
=
985H
=
985HHT
=
5.0V
5.0V, Tristate
3.0V
3.0V, Tristate
SYMMETRY
1 = 60 / 40 %
2 = 55 / 45 %
FREQUENCY
STABILITY
TEMPERATURE
RANGE
PACKAGING
A = Anti-static insertion tubes*
G = SMD (gull-wing)
J = SMD (J-lead)
S = SMD (glass epoxy base)
X = Customer spec
FREQUENCY
(MHz)
B = 100ppm*
C = 50ppm
E = 25ppm
2 = 01C~701C*
3 = -201C~701C
Sample Part Numbers:
975H1B2A @
44.000 MHz
975HHT2C2A @
80.000 MHz
985H2B2A @
36.000 MHz
985HHT1B3A @
66.666 MHz
* Standard
=
=
=
=
975H
975HHT
985H
985HHT
1
2
2
1
B
C
B
B
2
2
2
3
A
A
A
A
44.000
80.000
36.000
66.666
Call factory for additional options. Use full descriptive part number when ordering. Parts will be marked with series and frequency only.
Monitor Products Company Inc reserves the right to make changes to its products and product specifications without notice. No liability is assumed as a result of their use or application.
