SN54LS240 - Motorola Inc

SN54LS240 OCTAL BUFFER/LINE DRIVER

OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS The SN54 / 74LS240, 241 and 244 are Octal Buffers and Line Drivers designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers which provide improved PC board density. SN54/74LS240 SN54/74LS241 SN54/74LS244 OCTAL BUFFER/ LINE DRIVER WITH 3-STATE OUTPUTS LOW POWER SCH.

Features

XXXDW SOIC 1 1G 2 1A1 3 4 5 6 1A3 7 8 9 10 GND 2Y4 1A2 2Y3 2Y2 1A4 2Y1 SN54 / 74LS244 VCC 2G 20 19 1Y1 18 2A4 1Y2 17 16 2A3 15 1Y3 2A2 1Y4 14 13 12 2A1 11 1 1G 2 1A1 3 4 5 6 1A3 7 8 9 10 GND 2Y4 1A2 2Y3 2Y2 1A4 2Y1 FAST AND LS TTL DATA 5-387 SN54/74LS240
• SN54/74LS241
• SN54/74LS244 TRUTH TABLES SN54 / 74LS240 INPUTS OUTPUT 1G, 2G L L H D L H X H L (Z) 1G, 2G L L H D L H X L H (Z) SN54 / 74LS244 INPUTS OUTPUT SN54 / 74LS241 INPUTS 1G L L H D L H X OUTPUT 2G L H (Z) H H L D L H X L H (Z) INPUTS OUTPUT H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = HIGH Impeda.