MSM54V25632A

E2L0068-19-61 www.DataSheet4U.com ¡ Semiconductor ¡ Semiconductor MSM54V25632A DESCRIPTION This version: Jun. 1999 MSM54V25632A Previous version: Sep. 1998 131,072-Word ¥ 32-Bit ¥ 2-Bank Synchronous Graphics RAM The MSM54V25632A is a synchronous graphics random access memory organized as 128 K words ¥ 32 bits ¥ 2 banks. This device can operate up to 100 MHz by using synchronous interface. In addition, it has 8-column Block Write function and Write per bit function which improves performance in graphics systems. FEATURES 131,072 words ¥ 32 bits ¥ 2 banks memory Single 3.3 V ± 0.3 V power supply LVTTL compatible inputs and outputs All input signals are latched at rising edge of system clock Auto precharge and controlled precharge Internal pipelined operation: column address can be changed every clock cycle Dual internal banks controlled by A9 (Bank Address: BA) Independent byte operation via DQM0 to DQM3 8-column Block Write function Persistent write per bit function Programmable burst sequence (Sequential/Interleave) Programmable burst length (1, 2, 4, 8 and full page) Programmable CAS latency (1, 2 and 3) Burst stop function (full-page burst) Power Down operation and Clock Suspend operation Auto refresh and self refresh capability 1,024 refresh cycles/16 ms Package: 100-pin plastic QFP (QFP100-P-1420-0.65-BK4) (Product : MSM54V25632A-xxAGBK4) xx indicates speed rank. PRODUCT FAMILY Family MSM54V25632A-10 MSM54V25632A-12 Clock Frequenc...