MIL-M-38510-9 Microcircuits, Digital, Bipolar Ttl, Shift Registers, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, TTL, shift register microcircuits. 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 For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.4.

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MIL-M-38510/9E

Device type 06

Positive logic:       The registers have two modes of operation: Parallel (broadside) load

Shift (in direction QA toward QD)

Parallel loading is accomplished by applying the four bits of data and taking the shift/load control input low.  The data is loaded into the associated flip-flop and appears at the outputs after the positive transition of the clock input.  During loading, serial data flow is inhibited.

Shifting is accomplished synchronously when the shift/load control input is high.  Serial data for this mode is entered

at the J - K  inputs.  These inputs permit the first stage to perform as a J - K , D-, or T-type flip-flop as shown in the truth table.

TRUTH TABLE

H = high level,  L = low level

NOTES:

1.  tn = bit time before clock pulse

2.  tn + 1 = bit time after clock pulse

3.  QAn = state of QAn at tn.

Figure 2.  Truth tables and timing diagrams - Continued.

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