CREATE TABLE table_49746 ("Model number" TEXT, "Frequency" TEXT, "L1 Cache" TEXT, "Mult." FLOAT, "Voltage" TEXT)

What is the Model Number, when the Voltage is 3.45 V, and when the Frequency is 133 MHZ?
SELECT "Model number" FROM table_49746 WHERE "Voltage" = '3.45 v' AND "Frequency" = '133 mhz'
SELECT "Model number" FROM "table_49746" WHERE "Frequency" = '133 mhz' AND "Voltage" = '3.45 v'