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Product Detailed Parameters
- Description：HEX D-TYPE FLIP-FLOPS WITH RESET
- Series：74ACT
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Master Reset
- Type：D-Type
- Output Type：Non-Inverted
- Number of Elements：1
- Number of Bits per Element：6
- Clock Frequency：80 MHz
- Max Propagation Delay @ V, Max CL：14ns @ 5V, 50pF
- Trigger Type：Positive Edge
- Current - Output High, Low：24mA, 24mA
- Voltage - Supply：4.5V ~ 5.5V
- Current - Quiescent (Iq)：8 µA
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：16-WQFN (2.5x3.5)
- Package / Case：16-WFQFN Exposed Pad
- Input Capacitance：10 pF
- Grade：-
- Qualification：-
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Overview
The CD74ACT174BQBR is an automotive-grade hex D-type flip-flop from Texas Instruments, part of the SN74ACT series. It features a WQFN-16 package and supports positive edge triggering with non-inverting outputs. The device operates within a supply voltage range of 4.5 V to 5.5 V and withstands temperatures from -40°C to +125°C. It delivers push-pull output currents of ±24 mA and supports clock frequencies up to 150 MHz.
Feature Summary
- Automotive qualification for reliable operation in vehicle environments
- Hex configuration providing six independent D-type flip-flops
- High-speed performance with 150 MHz maximum clock frequency
- Robust output drive capability with ±24 mA current capacity
Applications
- Automotive data acquisition systems
- Vehicle control unit memory registers
- Digital signal processing interfaces
- Automotive communication bus synchronization
Procurement Notes
Verify that the specific suffix 'BQBR' confirms the required automotive grade (AEC-Q100) and WQFN-16 package variant. Ensure the ordering documentation explicitly states the temperature range and voltage specifications match the application requirements before finalizing procurement.
Selection Notes
Select this component when automotive reliability standards are mandatory alongside high-speed digital storage needs. The ACT logic family provides CMOS compatibility with TTL input levels, simplifying interface design. The compact WQFN-16 package is suitable for space-constrained automotive PCB layouts requiring surface-mount assembly.
Part Context
This part belongs to the SN74ACT logic family, which combines AC speed with ACT input/output characteristics. The 'BQ' suffix typically denotes automotive qualification and specific packaging, while 'R' indicates reel packaging. It serves as a digital storage element within complex automotive electronic control units.
Replacement Considerations
CD74ACT174E: Standard commercial grade, PDIP-16 package. SN74ACT174WR: Commercial grade, SOIC-16 package. Verify that alternative parts meet the same automotive qualification and temperature range requirements if used in place of the BQBR variant.
