APPLICATIONS
Include: − Keyboard Encoding − Range Selection SN54147, SN54LS147 . . . J OR W PACKAGE SN74147, SN74LS147 . . . D OR N PACKAGE (TOP VIEW) ’148, ’LS148 D Encode 8 Data Lines to 3-Line Binary (Octal) D APPLICATIONS
Include: − n-Bit Encoding − Code Converters and Generators SN54148, SN54LS148 . . . J OR W PACKAGE SN74148, SN74LS148 . . . D, N, OR NS PACKAGE (TOP VIEW) 41 52 63 74 85 C6 B7 GND 8 16 VCC 15 NC 14 D 13 3 12 2 11 1 10 9 9A 41 52 63 74 EI 5 A2 6 A1 7 GND 8 16 VCC 15 E0 14 GS 13 3 12 2 11 1 10 0 9 A0 SN54LS147 . . . FK PACKAGE (TOP VIEW) SN54LS148 . . . FK PACKAGE (TOP VIEW) E0 VCC NC NC VCC NC 4 5 4 5 3 2 1 20 19 64 18 D 75 17 3 NC 6 16 NC 87 15 2 C8 14 1 9 10 11 12 13 6 3 2 1 20 19 4 18 GS 75 17 3 NC 6 16 NC EI 7 15 2 A2 8 14 1 9 10 11 12 13 0 A0 NC GND A1 9 A NC GND B NC − No internal connection TYPE ’147 ’148 ’LS147 ’LS148 TYPICAL DATA DELAY 10 ns 10 ns 15 ns 15 ns TYPICAL POWER DISSIPATION 225 mW 190 mW 60 mW 60 mW NOTE: The SN54147, SN54LS147, SN54148, SN74147, SN74LS147, and SN74148 are obsolete and are no longer supplied.
Texas Instruments
