74LS244 Octal Driver Tri-State [Original]

74LS244 Octal Tri-State Buffer & Line Driver IC

The 74LS244 is a high-performance Octal Tri-State Buffer and Line Driver integrated circuit. Engineered to significantly improve both the performance and PC board density of your digital designs, this IC is a cornerstone for robust data transmission. It features tri-state outputs, allowing direct connection to bus lines without external components. With PNP inputs, it effectively reduces DC loading on bus lines, ensuring signal integrity. Each data line input benefits from 400 mV of hysteresis, providing excellent noise rejection in demanding environments. This makes the 74LS244 ideal for critical applications such as memory-address drivers and clock drivers. Its design as a bus-oriented transmitter/receiver ensures reliable communication across various systems. Experience high fanout capabilities and the ability to drive terminated lines down to 133Ω. This original 74LS244 offers standard TTL switching voltages, making it compatible with a wide range of existing logic circuits.

Specifications:

• Logic Family: LS TTL
• Function: Octal Buffer/Line Driver
• Output Type: Tri-State
• Number of Channels: 8
• Input Type: PNP with Hysteresis
• Supply Voltage: 4.75V to 5.25V (Standard TTL)
• Output Current (IOL): 24 mA (typical)
• Propagation Delay: ~15 ns (typical)
• Operating Temperature Range: 0°C to 70°C (Commercial)
• Package Type: DIP-20 (Dual In-line Package)

Key features and benefits:

• Tri-State outputs for direct bus line interfacing
• PNP inputs minimize DC loading on bus lines
• Integrated hysteresis inputs for enhanced noise rejection
• Optimized for bus-oriented transmitter/receiver applications
• Standard TTL switching voltage compatibility
• High fanout capability for driving multiple loads
• Designed to improve PC board density and system performance

Applications:

• Memory-address drivers in microcomputer systems
• High-speed clock drivers for synchronous circuits
• Bus-oriented data transmitters and receivers
• Data buffering and line driving in digital systems
• Interface between different logic families or voltage levels

Package Includes:

*Image shown is a representation only.

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