P4C1257 Datasheet (PYRAMID)

P4C1257, STATIC CMOS RAM

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 for supply voltages down to 2.0V, typically drawing

P4C1257 Features

* Full CMOS High Speed (Equal Access and Cycle Times)

* 12/15/20/25 ns (Commercial)

* 12/15/20/25 ns (Industrial)

* 25/35/45/55/70 ns (Military) Single 5V±10% Power Supply Data Retention with 2.0V Power Supply (P4C1257L) P4C1257/P4C1257L ULTRA HIGH SPEED 256K x 1