Description
The PDM4M4120 is a 1M x 32 static RAM module constructed on an epoxy laminate (FR-4) substrate using eight 1M x 4 static RAMs in plastic SOJ packages. Availability of four chip select lines (one for each of two RAMs) provides byte access. The PDM4M4120 is available with access times as fast as 15ns with minimal power consumption.

FEATUREs
□ High-density 4 megabyte Static RAM module
□ Low profile 72-pin ZIP (Zig-zag In-line vertical  Package) or 72-pin SIMM and Angled SIMM (Single In-line Memory Module)
□ Fast access time: 15ns (max.)
□ Surface mounted plastic components on an epoxy laminate (FR-4) substrate Single 5V (±10%) power supply
□ Multiple VSS pins and decoupling capacitors for  maximum noise immunity
□ Inputs/outputs directly TTL compatible