MIL-M-38510-28 Microcircuits, Digital, Ttl, Low Power Shift Registers, Monolithic SiliconThis specification covers the detail requirements for monolithic, silicon, TTL, low power 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 For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.4.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-38510/28C

Device type 01

Shifting left requires external connection of QB to A, QC to B, and QD to C. Serial data is entered at input D.

H = high level (steady state), L = low level (steady state), x = irrelevant (any input, including transitions).

↓  = transition from high to low level,   t  = transition from low to high level.

a, b, c, d = the level of steady state input at inputs A, B, C, or D, respectively.

QAO, QBO, QCO, QDO = the level of QA, QB, QC, or QD, respectively, before the indicated steady state input conditions were established.

QAn, QBn, QCn, QDn = the level of QA, QB, QC, or QD, respectively, before the most recent transition of the clock.

Figure 3.  Truth tables and timing diagrams.

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