I think this is correct

Total Memory >= Target Memory ------> Represents Memory Pressure

Total Memory < Target Memory ------> Represents No pressure.

http://www.sql-server-performance.com/tips/performance_monitor_memory_counter_p1.aspx

http://blogs.msdn.com/b/teekamg/archive/2007/11/06/sql-server-memory-related-performance-counters.aspx

Thank You,

Best Regards,

SQL Buddy