Designing and manufacturing innovative frequency control devices since 1927
Half-Size, TTL and HCMOS Compatible Clock Oscillators
M
M
M
*
*
975H 975HHT 985H 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
975H
985H
975HHT
985HHT
M Surface mount option
M Tristate function on
Units = mm
975HHT & 985HHT
APPLICATIONS
ELECTRICAL
975H
HC9M7O5SH/THrisTtate
985H
HC9M8O5SH/THrisTtate
M Systems clock
SPECIFICATIONS
HCMOS
HCMOS
Supply Voltage
5.0 VDC ! 0.5 V
3.0 VDC ! 0.3 V
M Disk drives
Frequency Range
1.0~100.0 MHz
1.0~70.0 MHz
M Cameras
1.0 ~ 49.9 MHz = 50pF
50.0 MHz & up =
5 TTL or 10 LSTTL or 15pF max
Load
Capacitance
M Computer applications
M Measuring instruments
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 ~ 20.0 MHz: 10 mA
20.0 ~ 70.0 MHz: 20 mA
Input Current
(max)
M Communications
equipment
1.0 ~ 25.0 MHz: 10 nS
25.1 ~ 70.0 MHz: 6 nS
70.1 ~ 100.0 MHz: 4 nS
1.0 ~ 25.0 MHz: 10 nS
25.1 ~ 70.0 MHz: 6 nS
Rise & Fall
Time (max)
Monitor Products has a proven
track record as a pioneer
Operating Temp
Range
01C ~ 701C standard
manufacturer in the frequency
control market. If our extensive
selection of standard and
(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
Symmetry
engineered crystals and
Freq Stability
Logic 0 Level
Logic 1 Level
oscillators does not meet your
spec, we will work with you
towards a customized solution.
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