Download the UT7C139 datasheet PDF.
This datasheet also includes the UT7C138 variant, as both parts are published together in a single manufacturer document.
Note: The manufacturer provides a single datasheet file (UT7C138_AeroflexCircuitTechnology.pdf) that lists specifications for multiple related part numbers.
Standard Products UT7C138/139 4Kx8/9 Radiation-Hardened Dual-Port Static RAM with Busy Flag
Data Sheet January.
Key Features
q 45ns and 55ns maximum address access time q Asynchronous operation for compatibility with industrystandard 4K x 8/9 dual-port static RAM www. DataSheet4U. com q CMOS compatible inputs, TTL/CMOS compatible output levels q Three-state bidirectional data bus q Low operating and standby current q Radiation-hardened process and design; total dose irradiation testing to MIL-STD-883 Method 1019 - Total-dose: 1.0E6 rads(Si) - Memory Cell LET threshold: 85 MeV-cm2 /mg q q - Latchup immune (LET >100 MeV-c.
UT7C139 Datasheet
