74LS244N DIP IC

6.00 د.إ

The 74LS240 and 74LS244 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

Features
? 3-STATE outputs drive bus lines directly
? PNP inputs reduce DC loading on bus lines
? Hysteresis at data inputs improves noise margins
? Typical IOL (sink current) 24 mA
? Typical IOH (source current) ?15 mA
? Typical propagation delay times
Inverting 10.5 ns
Noninverting 12 ns
? Typical enable/disable time 18 ns
? Typical power dissipation (enabled)
Inverting 130 mW
Noninverting 135 mW

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