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
SCHOTTKY
• Hysteresis at Inputs to Improve Noise Margins • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers • Input Clamp Diodes Limit High-Speed Termination Effects
LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW) SN54 / 74LS240
VCC 2G 20 19 1Y1 18 2A4 1Y2 17 16 2A3 15 1Y3 2A2 1Y4 14 13 12 2A1 11
20 1
J SUFFIX CERAMIC CASE 7...