MIL-M-38510-319 Microcircuits, Digital, Low-Power Schottky Ttl, 4 By 4 Register File, Cascadable, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, Schottky TTL, low-power, 4 by 4 register file 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 For this product, the requirements of MIL-M-38510 have been superseded by MIL-PRF-38535, see 6.3.