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Product Detailed Parameters
- Description：IC FF D-TYPE SNGL 8BIT 20DHVQFN
- Series：74HCT
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Function：Master Reset
- Type：D-Type
- Output Type：Non-Inverted
- Number of Elements：1
- Number of Bits per Element：8
- Clock Frequency：36 MHz
- Max Propagation Delay @ V, Max CL：30ns @ 4.5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：4mA, 5.2mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：8 µA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-DHVQFN (4.5x2.5)
- Package / Case：20-VFQFN Exposed Pad
- Input Capacitance：3.5 pF
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The 74HCT273BQ-Q100X is an automotive-grade D-type flip-flop from Nexperia, belonging to the 74HCT logic family. It features eight bits of storage with positive-edge triggering and a master reset function. The component is housed in a 16-DHVQFN package (2.5x3.5 mm) and supports surface-mount installation. It operates within a supply voltage range of 4.5 V to 5.5 V and withstands temperatures from -40°C to +125°C. Certified under AEC-Q100 standards, it ensures reliability for automotive applications.
Feature Summary
- Provides eight-bit data storage with positive-edge clock triggering
- Includes a master reset function for synchronous control
- Complies with AEC-Q100 automotive qualification standards
- Operates reliably across extended industrial temperature ranges
Applications
- Automotive electronic control units requiring robust data latching
- Industrial systems utilizing 5V logic interfaces
- Digital signal processing circuits needing multi-bit memory elements
Procurement Notes
Verify that the specific part number suffix matches the required package variant and tape/reel configuration. Confirm AEC-Q100 certification status through official Nexperia documentation prior to integration. Ensure supply chain sources provide valid traceability records for automotive compliance requirements.
Selection Notes
Select this component when designing systems requiring eight-bit parallel data storage with a single clock input. It is suitable for applications demanding high noise immunity and compatibility with standard 5V logic levels. Consider the DHVQFN package dimensions for PCB layout constraints and thermal management needs.
Part Context
This device is part of the broader 74HCT series, designed for high-speed CMOS operation with TTL-compatible inputs. The Q100 designation indicates adherence to automotive quality standards, distinguishing it from commercial variants. It serves as a fundamental building block for sequential logic circuits in complex digital systems.
Replacement Considerations
Cross-reference with other 74HCT273 variants from different manufacturers if pin-out compatibility is critical. Verify that alternative components meet the same AEC-Q100 grade and temperature specifications to maintain system integrity.
