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81C55

Part Number	81C55
Manufacturer	Intersil Corporation
Description	Radiation Hardened 256 x 8 CMOS RAM
Published	Mar 22, 2005
Detailed Description	HS-81C55RH, HS-81C56RH March 1996 Radiation Hardened 256 x 8 CMOS RAM Description The HS-81C55/56RH are radiation harde...
Datasheet	81C55 PDF File

Overview

HS-81C55RH, HS-81C56RH March 1996 Radiation Hardened 256 x 8 CMOS RAM Description The HS-81C55/56RH are radiation hardened RAM and I/O chips fabricated using the Intersil radiation hardened SelfAligned Junction Isolated (SAJI) silicon gate technology.
Latch-up free operation is achieved by the use of epitaxial starting material to eliminate the parasitic SCR effect seen in conventional bulk CMOS devices.
The HS-81C55/56RH is intended for use with the HS-80C85RH radiation hardened microprocessor system.
The RAM portion is designed as 2048 static cells organized as 256 x 8.
A maximum post irradiation access time of 500ns allows the HS-81C55/56RH to be used with the HS-80C85RH CPU without any ...

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