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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
V
0 25 70 °C
IOH Output Current − High
− 3.0 − 15
mA mA
IOL Output Current − Low
24 mA
20 1
http://onsemi.
SN74LS240 Datasheet
