11 ordering information 64k sram, 8k x 8 lead finish: (a) = solder (c) = gold (x) = optional screening: (p) = prototype (c) = mil temp package type: (p) = 28-pin dip (w) = 28-pin flatpack access time (55) = 55ns access time (70) = 70ns access time (85) = 85ns access time utmc core part number ut67164 * * * * notes: 1. lead finish (a, c, or x) must be specified. 2. if an ?x? is specified when ordering, part marking will match the lead finish and will be either ?a? (solder) or ?c? (gold). 3. 85ns not available for prototype flow devices. 4. mil temp range flow per utmc?s manufacturing flows document. devices have 48 hours of burn-in and are tested at -55c, room t emp, and 125c. radiation neither tested or guaranteed. 5. prototype flow per utmc?s document manufacturing flows. prototype assembly is tested at 25c only. radiation is neither test ed nor guaranteed. utmc errata sheet updated ordering information as of 1/30/97
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