GENERAL DESCRIPTION
The OKI MSM54V12222A is a high performance 3M bits, 256K X 12 bits, Field Memory especially designed for high-speed serial access applications such as HDTVs, conventional NTSC TVs, VTRs, digital movies and Multi-media systems. MSM54V12222A is a FRAM for wide or low end use as general commodity TVs and VTRs, exclusively. MSM54V12222A is not designed for the other use or high end use as medical systems, professional graphics systems require long time picture storage, data storage systems and others. More than two MSM54V12222As can be cascaded directly without any delay devices among the MSM54V12222As. ( Cascading of MSM54V12222A provides larger storage depth or a longer delay.)

FEATURES
• Signale power supply : 3.3V±0.3V
• 512 Rows X 512 Column X 12 bits
• Fast FIFO (First-In First-Out) Operation
• High Speed Asynchronous Serial Access
• Read/Write Cycle Time 30 ns/40 ns
• Access Time 30 ns/35 ns
• Direct Cascading Capability
• Write Mask Function (Input Enable Control)
• Data Skipping Function (Output Enable Cotrol)
• Self Refresh (No refresh control is required)
• Packageoptions:
    44Pin 400mil plastic TSOP (Type II ) (TSOP II 44-P-400-0.80-K) (Product:MSM54V12222A-xxTS-K)
    40Pin 400mil Plastic SOJ (SOJ40-P-400-1.27) (Product:MSM54V12222A-xxJS) xx indicates speed rank.