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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20SOIC
- Series：74LVX
- Mfr：Fairchild Semiconductor
- Package：Tube
- Function：Standard
- Type：D-Type
- Output Type：Tri-State, Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：75 MHz
- Max Propagation Delay @ V, Max CL：16.7ns @ 3.3V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：4mA, 4mA
- Voltage - Supply：2V ~ 3.6V
- Current - Quiescent (Iq)：4 µA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Input Capacitance：4 pF
- Grade：-
- Qualification：-
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Overview
The Fairchild Semiconductor 74LVX574MTCX is a high-speed octal D-type flip-flop with 3-state outputs, fabricated using advanced CMOS technology. It operates within a supply voltage range of 2.0V to 3.6V and features 5V tolerant inputs and outputs, allowing direct interfacing with 5V systems. The device includes an active-low output enable (OE) input and a positive-edge-triggered clock (CLK). Packaged in a 20-TSSOP surface-mount format, it supports data rates up to 150 MHz at 3.3V.
Feature Summary
- Provides 5V tolerant I/O for seamless integration between low-voltage logic and 5V buses
- Features high-speed performance with propagation delays as low as 4.6ns at 3.3V
- Includes active-low output enable control for bus management
Applications
- High-performance register transfers
- Clock domain crossing circuits
- Bus-oriented memory word registers
Procurement Notes
Verify the specific suffix against official onsemi documentation, as Fairchild's integration may have updated part numbers or packaging codes. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the TSSOP package dimensions match your PCB footprint design constraints before finalizing procurement.
Selection Notes
Select this component when designing systems requiring 5V tolerance alongside low-voltage operation. It is suitable for applications needing high-speed data latching with minimal propagation delay. Consider the 20-TSSOP package size if space efficiency is critical compared to larger SOIC options.
Part Context
This component belongs to the 74LVX series, designed for low-voltage applications. It serves as a standard solution for buffering and registering data in mixed-voltage environments. The manufacturer transition from Fairchild to onsemi requires checking current availability and datasheet revisions for accurate electrical specifications.
Replacement Considerations
Direct substitutes include SN74LVX574DWR from Texas Instruments and MC74LVX574DTR2G from onsemi. Verify pin compatibility and electrical parameters before substitution.
