P4C1257 Overview
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.
P4C1257 Key Features
- 12/15/20/25 ns (mercial)
- 12/15/20/25 ns (Industrial)
- 25/35/45/55/70 ns (Military)
- 24-Pin 300 mil DIP, SOJ
- 28-Pin 350x550 mil LCC
- 28-Pin Flatpack