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Partname: | 5962F9684502VXA |
Description: | Dual-port SRAM: SMD with busy flag. Lead finish solder. Class V. Device type 02 (4Kx9, CMOS compatible inputs, 45 ns). Total dose 3E5 rads(Si). |
Manufacturer: | |
Package: | PGA |
Pins: | 68 |
Oper. temp.: | -55 to 125 |
Datasheet: | PDF (496K). Click here to download *) |
The UT7C138 and UT7C139 are high-speed radiationhardened CMOS 4K x 8 and 4K x 9 dual-port static RAMs. Arbitration schemes are included on the UT7C138/139 to handle situations when multiple processors access the same memory location. Two ports provide independent, asynchronous access for reads and writes to any location in memory. The UT7C138/139 can be utilized as a stand-alone 32/36-Kbit dual-port static RAM or multiple devices can be combined in order to function as a 16/18-bit or wider master/ slave dual-port static RAM. For applications that require depth expansion, the BUSY pin is open-collector allowing for wired OR circuit configuration. An M/S pin is provided for implementing 16/18-bit or wider memory applications without the need for separate master and slave devices or additional discrete logic. Application areas include interprocessor/multiprocessor designs, communications, and status buffering. |
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