Datasheet Summary
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.
- 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 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10 1G 1A1 2Y4 1A2 2Y3 1A3 2Y2 1A4 2Y1 GND
SN54 / 74LS241
VCC 2G 1Y1 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 20 19 18 17 16 15 14...
