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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20SSOP
- Series：74LV
- Mfr：NXP USA Inc.
- 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：70 MHz
- Max Propagation Delay @ V, Max CL：17ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：16mA, 16mA
- Voltage - Supply：1V ~ 5.5V
- Current - Quiescent (Iq)：20 µA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SSOP
- Package / Case：20-SSOP (0.209", 5.30mm Width)
- Input Capacitance：3.5 pF
- Grade：-
- Qualification：-
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Overview
The NXP USA Inc. 74LV574DB,112 is an octal D-type flip-flop featuring positive edge triggering and three-state outputs. It operates within a supply voltage range of 1V to 5.5V and supports a maximum clock frequency of 70 MHz. The device exhibits a propagation delay of 17ns at 5V with 50pF load capacitance and provides output currents of 16mA for both high and low states. Packaged in a 20-SSOP format, it functions across an extended temperature range from -40°C to +125°C.
Feature Summary
- Octal D-type flip-flop architecture with positive edge triggering mechanism
- Three-state non-inverting outputs for bus-oriented applications
- Wide operating voltage range supporting 1V to 5.5V systems
- Extended industrial temperature rating for harsh environment operation
Applications
- Parallel-to-serial data conversion circuits
- Bus driver implementations requiring tri-state control
- Memory register storage elements in digital systems
- Clock domain crossing synchronization buffers
Procurement Notes
Verify component authenticity through authorized distributors due to end-of-life status. Confirm package integrity and pin alignment against the 20-SSOP specification. Validate RoHS compliance documentation prior to integration. Ensure thermal management meets the specified junction temperature limits during operation.
Selection Notes
Evaluate compatibility with existing logic levels and voltage domains. Assess PCB footprint requirements for the 20-SSOP package variant. Consider replacement options if long-term availability is critical. Verify signal integrity constraints regarding propagation delay and capacitive loading limits.
Part Context
This component belongs to the 74LV series of low-voltage CMOS logic devices manufactured by NXP. It serves as a standard octal flip-flop solution for general-purpose digital logic applications. The part represents a legacy product line often replaced by newer series in modern designs.
Replacement Considerations
- SN74LV574ADBR (Texas Instruments)
- MC74LVX574DTR2G (onsemi)
FAQ
What is the maximum operating voltage for this device?
The device supports a supply voltage range up to 5.5V.
Does the 74LV574DB,112 have inverted or non-inverted outputs?
It features non-inverting outputs.
