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MC74ACT244DTEL
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Product Detailed Parameters
- Description：BUS DRIVER, ACT SERIES, 4-BIT,
- Series：74ACT
- Mfr：onsemi
- Package：Bulk
- Logic Type：Buffer, Non-Inverting
- Number of Elements：2
- Number of Bits per Element：4
- Input Type：-
- Output Type：3-State
- Current - Output High, Low：24mA, 24mA
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TSSOP
- Grade：-
- Qualification：-
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Overview
The MC74ACT244DTEL is an octal buffer and line driver manufactured by onsemi, featuring three-state outputs. It belongs to the ACT logic series and utilizes CMOS technology. The device operates within a supply voltage range of 3.0 V to 5.5 V. It provides high drive capability with output currents sourcing and sinking 24 mA. The component is housed in a 20-pin TSSOP plastic package.
Feature Summary
- Octal configuration providing eight independent non-inverting buffers or line drivers
- Three-state outputs designed for direct connection to bus-oriented systems
- TTL-compatible inputs ensuring compatibility with standard logic families
- High current drive capability suitable for driving bus lines and memory address registers
Applications
- Memory address drivers
- Clock drivers
- Bus-oriented transmitter and receiver circuits
Procurement Notes
Verify the specific suffix 'DTEL' against official onsemi documentation to confirm the exact tape-and-reel packaging quantity and moisture sensitivity level. Ensure the order matches the required operating temperature range and that the component status is active. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when an octal buffer with three-state control is required for bus applications. It is suitable for designs needing TTL-compatible input levels and moderate drive strength. Consider the TSSOP-20 package constraints for PCB layout. Verify power supply requirements align with the 3V to 5.5V operational range.
Part Context
This part is part of the 74ACT family of high-speed CMOS logic devices. It serves as a digital buffer and line driver. The device improves printed circuit board density compared to older logic families. It is widely used in digital communication interfaces and data transmission systems requiring signal buffering and isolation.
Replacement Considerations
Compatible substitutes include MC74ACT244DWG and MC74ACT244DTR2G from onsemi. Other manufacturers offer equivalent parts such as SN74ACT244DW from Texas Instruments. Ensure pinout compatibility and electrical specifications match before substitution.
