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BlPOLAR PROM CROSS REFERENCE GUlDE
Am27S18 256Bit 32 x 8 PROM Open Collector 18
Am27S26 4096Bit 512 x 8 PROM Open Collector with Output Registers
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15 volts 20 volt supply AC TEST LOAD Advanced Micro Devices Applied to Outputs ASCII bit location CERDIP COM'L CP HlGH Current into Outputs data word DC Voltage Applied DECODER delays dual-in-line package enable fuse link fusible link Guaranteed input logical H H H H L H Hermetic DIP Hermetic including carriage return Input HIGH Current inspection integrated circuits L L L L L L least 25 rubouts Level During Programming Level Guaranteed input line feed logic HIGH logic LOW LOW Current machine microinstruction microprogram memory msec open collector Output Voltage Outputs During Programming Package paper tape format Parameters Description Test platinum Platinum-Silicide Fuse programming equipment Programming Period PROGRAMMlNG punched paper tape read only memories return and line Schottky diode Series Bipolar PROM silicide SWITCHING Temperature Range three-state outputs truth table Typical V0UT Voltage During Programming Voltage VCC Volts WAVEFORMS