81C55

2048-Bit CMOS STATIC RAM WITH I/O PORTS AND TIMER

GENERALDESCRIPTION TheMSM81C55-5hasa2k-bitstaticRAM(256bytes)withparallelI/Oportsandatimer.ItusessilicongateCMOStechnologyandconsumesastandbycurrentof100microampere,maximum,whilethechipisnotselected.Featureingamaximumaccesstimeof400ns,theMSM81C

81C55

Radiation Hardened 256 x 8 CMOS RAM

TheHS-81C55/56RHareradiationhardenedRAMandI/OchipsfabricatedusingtheIntersilradiationhardenedSelfAlignedJunctionIsolated(SAJI)silicongatetechnology.Latch-upfreeoperationisachievedbytheuseofepitaxialstartingmaterialtoeliminatetheparasiticSCReffectseenincon

81C55

2048-Bit CMOS STATIC RAM WITH I/O PORTS AND TIMER

GENERAL? DESCRIPTION\nThe MSM81C55-5 has a 2k-bit static RAM (256 bytes) with parallel I/O ports and a timer.? It uses silicon gate CMOS technology and consumes a standby current of 100 micro ampere, maximum, while the chip is not selected.? Featureing a maximum access time of 400 ns, the MSM81C55-5; ? High speed and low power achieved with silicon gate CMOS technology\n? 256 words x 8bits RAM\n? Single power supply, 3 to 6 V\n? Completely static operation\n? On-chip address latch\n? 8-bit programmable I/O ports (port A and B)\n? TTL Compatible\n? RAM data hold characteristic at 2 V\n? 6-bit pro;

HS-81C55RH

RadiationHardened256x8CMOSRAM

HS-81C55RH

RadiationHardened256x8CMOSRAM

TheHS-81C55/56RHareradiationhardenedRAMandI/OchipsfabricatedusingtheIntersilradiationhardenedSelfAlignedJunctionIsolated(SAJI)silicongatetechnology.Latch-upfreeoperationisachievedbytheuseofepitaxialstartingmaterialtoeliminatetheparasiticSCReffectseenincon