MIL-M-38510/56G
Test |
Input terminal |
Device type |
Generator pulse conditions |
Load |
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VGEN |
PRR at °C |
tTHL ≤ |
tTLH ≤ |
Duty cycle % |
tPH at °C |
RL kn ±10% |
CL pF |
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+25, -55 |
+125 |
+25, -55 ≤ |
125 ≤ |
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tSLH, tSHL Input to CLOCK |
CLOCK |
51 |
5.0 V |
1.876 MHz |
1.34 MHz |
15 ns |
15 ns |
50 |
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CLOCK |
54 |
5.0 V |
995 kHz |
710 kHz |
15 ns |
15 ns |
50 |
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RESET or * CLOCK ENABLE |
01, 04, 51, 54 |
5.0 V |
15 ns |
1.0 µs min |
1.0 µs min |
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CLOCK |
01, 04 |
5.0 V |
450 kHz |
350 kHz |
15 ns |
15 ns |
50 |
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RESET or * CLOCK ENABLE |
02, 52 |
5.0 V |
30 ns |
1.0 µs min |
1.0 µs min |
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CLOCK |
02 |
5.0 V |
450 kHz |
350 kHz |
15 ns |
15 ns |
50 |
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52 |
5.0 V |
995 kHz |
710 kHz |
15 ns |
15 ns |
50 |
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DATA |
52 |
5.0 V |
834 kHz |
595 kHz |
15 ns |
15 ns |
50 |
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02 |
5.0 V |
225 kHz |
175 kHz |
15 ns |
15 ns |
50 |
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RESET |
02, 52 |
5.0 V |
30 ns |
30 ns |
1.0 µs min |
1.0 µs min |
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CLOCK |
52 |
5.0 V |
995 kHz |
710 kHz |
15 ns |
15 ns |
50 |
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02 |
5.0 V |
450 kHz |
350 kHz |
15 ns |
15 ns |
50 |
NOTES:
1. Test conditions grouped by double horizontal lines are simultaneously applicable to the test being performed.
2. Unless otherwise specified, test each output separately.
3. "CL" conditions include probe and wiring capacitance.
4. Apply input pulses as shown in abbreviated waveforms. See figure 2 for complete functional waveforms.
5. Setup times (tSHL and tSLH) are set to the maximum values given in the test limits columns of table III.
Setup time test requirements are considered met if counters advance in the next actuating transition of
the clock pulse following the negative transition of the reset, clock enable, or preset enable pulse.
Device type 02 "data" of the "data" input logic level with the next positive transition of the clock pulse after a "data" input logic change.
6. For device type 02, the "Q5" output is connected to the "data" input in all switching time tests
except the "data" setup time test.
7. The inputs marked with an asterisk designate the measured terminal.
8. Duty cycle and PRR, although not relevant for real-time measurements, are specified to accommodate other measurement techniques.
FIGURE 8. Switching time waveforms and test circuit - Continued.
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