The PD4482163 is a 524,288-word by 16-bit, the PD4482183 is a 524,288-word by 18-bit, PD4482323 is a 262,144word by 32-bit and the PD4482363 is a 262,144-word by 36-bit synchronous static RAM fabricated with advanced CMOS technology using Full-CMOS six-transistor memory cell. The PD4482163, PD4482183, PD4482323 and PD4482363 integrates unique synchronous peripheral circuitry, 2bit burst counter and output buffer as well as SRAM core. All input registers are controlled by a positive edge of the single clock input (CLK).