74ABT2244PW,118

Buffers, Drivers, Receivers, Transceivers Overview

The 74ABT2244PW,118 is an octal buffer and line driver manufactured by NXP USA Inc. It operates within a supply voltage range of 4.5 V to 5.5 V. The device features two output enables (1OE, 2OE), each controlling four 3-State outputs. Propagation delay ranges from 1.0 ns to 5.6 ns at 5.0 V. Output drive capability is +5 mA for high state and -32 mA for low state. It includes 30Ω series termination resistors in both states. Operating temperature spans from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates 30Ω series resistance in output paths to eliminate external termination requirements
• Supports live insertion and extraction operations on bus lines
• Provides power-up 3-State functionality with disabled inputs during 3-State mode

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address drivers
• Clock drivers
• Bus receivers and transmitters

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the package type matches the required footprint, specifically TSSOP-20 for this suffix. Confirm the operating temperature range meets system specifications, as this variant supports -40°C to +85°C. Ensure the logic family compatibility aligns with existing circuit designs. Check for RoHS compliance status if environmental regulations apply to the manufacturing process.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when driving long bus lines requiring integrated termination to reduce noise. The BiCMOS technology offers low static and dynamic power dissipation compared to standard TTL. Consider the dual enable structure for flexible bus control. Verify that the 30Ω internal resistance suits the specific impedance matching needs of the target application without additional components.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ABT logic family, utilizing high-performance BiCMOS technology. It serves as an octal buffer ideal for bus interface applications. The part is functionally equivalent to the 74ABT244-1, with the numbering updated to reflect industry standards. It is designed for high-speed data transmission with robust latch-up protection.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The datasheet explicitly states the part is the same as 74ABT244-1.