K7A201800B - Samsung semiconductor

K7A201800B 64Kx36 & 64Kx32-Bit Synchronous Pipelined Burst SRAM

The K7A203600B, K7A203200B and K7A201800B are 2,359,296-bit Synchronous Static Random Access Memory designed for high performance second level cache of Pentium and Power PC based System. It is organized as 64K(128K) words of 36/32(18) bits and integrates address and control registers, a 2-bit burst address counter and added some new functions for high perfor.

Features

• Synchronous Operation.
• 2 Stage Pipelined operation with 4 Burst.
• On-Chip Address Counter.
• Self-Timed Write Cycle.
• On-Chip Address and Control Registers.
• VDD= 3.3V+0.3V/-0.165V Power Supply.
• VDDQ Supply Voltage 3.3V+0.3V/-0.165V for 3.3V I/O or 2.5V+0.4V/-0.125V for 2.5V I/O.
• 5V Tolerant Inputs Except I/O Pins.
• Byte Writable Function.
• Global Write Enable Controls a full bus-width write.
• Power Down State via ZZ Signal.
• LBO Pin allows a choice of either a interleaved burst or a linear burst.
• Three Chip Enables for simple depth expansion with No Data Contnention ; 2cycle .