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.
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• Hysteresis at Inputs to Improve Noise Margins • 3-State Outputs Drive Bus Lines or Buffer Memory Address • Input Clamp Diodes Limit High-Speed Termination Effects
GUARANTEED OPERATING RANGES
Symbol VCC TA IOH Parameter Supply
Voltage Operating Ambient Temperature Range Output Current – High Min 4.
75 0 Typ 5.
0 25 Max 5.
25 70 – 3.
0 – 15 IOL Output Current – Low 24 Unit V °C
20
Registers
LOW POWER SCHO...