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SQUARE WAVE GENERATOR MODULES
SSGSWG-LVQ-XXX
Space Saver LVQ 3V Gated Square Wave
Generator
- T²L LV Cmos input and outputs
- Output wavetrain can be started in sync with random events
- 8-pin Space Saver package
- Leads - thru-hole, J, Gull Wing or Tucked
- Available in frequencies from 2 MHz to 80 MHz
- Output frequencies controlled to within ±2%
- 12mA output drive capability
DESIGN NOTES
The LVQ "Space Saver Series" Gated Square Wave Generator modules developed by
Engineered Components Company have been designed to provide a square wave output
at frequencies from 2 MHz to 80 MHz. These generators are both keyable and
synchronizable, producing a continuous output train as long as a zero (low) is
maintained at the enable input. As long as the enable input is a "1" (high), OUT1 will be
a constant "1" (high) and OUT2 will be a constant "0" (low). Whenever the enable input
goes low, OUT2 goes high immediately. OUT1 and OUT2 go low together after a one-half
cycle delay and, thereafter run in phase. When enable input returns to high, OUT2 is
forced low immediately and OUT1 is forced high one-half cycle later. (Note: The output
buffers will add one propagation delay to all times).
These Gated Square Wave Generator modules are of hybrid construction utilizing the
proven technologies of active integrated circuitry and of passive networks utilizing
capacitive, inductive and resistive elements. The MTBF on these modules, when
calculated per MIL-HDBK-217 for a 50° C ground fixed environment, is in excess of 4
million hours.
The SSGSWG-LVQ is offered in 28 different frequencies from 2 MHz to 80 MHz. Output
frequencies are controlled to within ±2% and have a temperature coefficient of less than
±600 ppm/°C over the operating temperature range of -40 to +85°C.
These LVQ "Space Saver Series" modules are packaged in an 8-pin housing, molded of
flame-proof Diallyl Phthalate per ASTM D 5948, Type SDG-F, and are fully encapsulated
in epoxy resin. Thru-hole, J, Gull Wing or Tucked Lead configurations are available on
these modules (see Part Number Table note to specify). Leads meet the solderability
requirements of MIL-STD-202, Method 208. Corner standoffs on the housing of the thru-
hole lead version and lead design of the surface mount versions provide positive standoff
from the printed circuit board to permit solder-fillet formation and flush cleaning of solder-
flux residues for improved reliability.
Marking consists of manufacturer's name, logo (E), part number, terminal identification
and date code of manufacture. All marking is applied by silk screen process using white
epoxy paint in accordance with MIL-STD-130, to meet the permanency of identification
required by MIL-STD-202, Method 215.
TEST CONDITIONS
1. All measurements are made at 25°C.
2. Vcc supply voltage is maintained at 3.3V DC.
3. All units are tested using a LVQ gate driving the input and one LVQ gate load at the
output.
OPERATING SPECIFICATIONS
*Output frequency will increase or decrease less than 2% for a respective increase or
decrease of 10% in supply voltage.
PART NUMBER TABLE
Suffix Part Number with G (for Gull Wing Lead), J (for J Lead), F (for Thru-hole Lead) or T
(for Tucked Lead).
Examples: SSGSWG-LVQ-10G (Gull Wing), SSGSWG-LVQ-25J (J Lead), SSGSWG-
LVQ-70F (Thru-hole Lead) or SSGSWG-LVQ-12T (Tucked Lead).
Special modules can be readily manufactured to improve accuracies and/or provide
customer specified non-standard frequencies for specific applications.
*Vcc supply voltage:............. 2.7 to 3.6V DC
Vcc supply current:
SSGSWG-LVQ-2................ 4mA typical
SSGSWG-LVQ-80............... 20mA typical
(Current increases with operating frequency)
Logic 1 Input:
Voltage .................... 2V min.; Vcc max.
Current ................... Vcc max.; ±1µA max.
Logic 0 Input:
Voltage .................... 0.8V max.
Current .................... ±1µA max.
Logic 1 Voltage out:............. 2.2V min.; Vcc 3.0;
IOH -12mA
Logic 0 Voltage out:............. 0.4V max.
IOL +12mA
Operating temperature range: .... -40 to +85°C.
Storage temperature:............. -55 to +125°C.
Part Number
SSGSWG-LVQ-2
SSGSWG-LVQ-2.5
SSGSWG-LVQ-3
SSGSWG-LVQ-3.5
SSGSWG-LVQ-4
SSGSWG-LVQ-4.5
SSGSWG-LVQ-5
SSGSWG-LVQ-5.5
SSGSWG-LVQ-6
SSGSWG-LVQ-7
SSGSWG-LVQ-8
SSGSWG-LVQ-9
SSGSWG-LVQ-10
SSGSWG-LVQ-11
SSGSWG-LVQ-12
SSGSWG-LVQ-13
SSGSWG-LVQ-14
SSGSWG-LVQ-15
SSGSWG-LVQ-20
SSGSWG-LVQ-25
SSGSWG-LVQ-30
SSGSWG-LVQ-35
SSGSWG-LVQ-40
SSGSWG-LVQ-45
SSGSWG-LVQ-50
SSGSWG-LVQ-60
SSGSWG-LVQ-70
SSGSWG-LVQ-80
Output Frequency
2.0 MHz
2.5 MHz
3.0 MHz
3.5 MHz
4.0 MHz
4.5 MHz
5.0 MHz
5.5 MHz
6.0 MHz
7.0 MHz
8.0 MHz
9.0 MHz
10.0 MHz
11.0 MHz
12.0 MHz
13.0 MHz
14.0 MHz
15.0 MHz
20.0 MHz
25.0 MHz
30.0 MHz
35.0 MHz
40.0 MHz
45.0 MHz
50.0 MHz
60.0 MHz
70.0 MHz
80.0 MHz
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