Datasheet Summary
SN74LS240, SN74LS244
Octal Buffer/Line Driver with 3- State Outputs
The SN74LS240 and SN74LS244 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
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC Supply Voltage TA Operating Ambient
Temperature Range
4.75 5.0 5.25
0 25 70 °C
IOH Output Current
- High
- 3.0
- 15 mA mA
IOL Output Current
- Low
24 mA
20 1...
