P4C1257 ram equivalent, static cmos ram.
Full CMOS
High Speed (Equal Access and Cycle Times)
– 12/15/20/25 ns (Commercial)
– 12/15/20/25 ns (Industrial)
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The P4C1257/P4C1257L are 256Kx1-bit ultra high-speed static RAMs. The CMOS memories require no clocks or refreshing and have equal access and cycle times. The RAMs operate from a single 5V ± 10% tolerance power supply. Data integrity is maintained fo.
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