MIL-M-38510-153 Microcircuits, Digital, Ttl, Quadruple Bus Buffer Gates With Three-State Outputs, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, TTL, quadruple bus buffer gates with three-state outputs. Two product assurance classes and a choice of case outlines and lead finishes are provided for each type and are reflected in the complete part number. For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.3.

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MIL-M-38510/1538

NOTES:

1.    CL = 50 pF ±10%; including scope probe and jig capacitance.

2.    All diodes are 1N3064 or equivalent.

3.        Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.

Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the

output control.

4.    In the examples above, the phase relationships between inputs and outputs have been chosen arbitrarily.

5.        All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, tp = 500 ns, Zout � 50 ohms, tTLH = tTHL ≤ 7 ns, and Vgen = 3.0 V.

FIGURE 2.  Switching time test circuit for three state outputs.

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