BRIEF-Texas Instruments CFO says Book-to-Bill ratio rose in first quarter

SAN FRANCISCO, April 22 Mon Apr 22, 2013 4:55pm EDT

SAN FRANCISCO, April 22 (Reuters) - Texas Instruments Inc : * CFO says book-to-Bill Ratio Rose to 1.03 in Q1 versus 0.91 in Q4 * CFO says customers holding just enough inventory to meet their production