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74AC273P-E
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Product Detailed Parameters
- Description：OCTAL D-TYPE FLIP-FLOP
- Series：*
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Function：-
- Type：-
- Output Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Clock Frequency：-
- Max Propagation Delay @ V, Max CL：-
- Trigger Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Current - Quiescent (Iq)：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
- Input Capacitance：-
- Grade：-
- Qualification：-
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Overview
The HD74AC273P-E is an octal D-type flip-flop from the AC series, manufactured by Renesas Electronics. It features a positive edge-triggered clock mechanism with true outputs and a common clear input. The device operates within a supply voltage range of 1.5 V to 5.5 V and supports a maximum operating temperature of 125 °C. Packaged in a 20-pin small outline format, it utilizes CMOS technology for low power consumption.
Feature Summary
- Positive edge triggered data transfer on clock transition
- Common clear input sets all outputs to low state
- High speed operation with typical propagation delay of 18 ns
- Wide operating voltage range supporting 2 V to 6 V
Applications
- Parallel data storage and buffering
- Shift register configurations
- Timing control circuits
- State machine implementations
Procurement Notes
Verify the specific suffix 'E' against official Renesas documentation to confirm lead-free status and RoHS compliance. Confirm package dimensions match the required footprint. Check for any obsolescence notices or lifecycle changes directly from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when high-speed logic performance is required alongside wide voltage compatibility. The AC series offers superior speed compared to standard HC series devices. Ensure the application environment stays within the specified temperature range and that the output drive capabilities meet the load requirements.
Part Context
This part belongs to the HD74AC series of octal D-type flip-flops. It is functionally compatible with other industry-standard AC series devices but may differ in pinout or electrical characteristics. The P-E designation indicates a plastic DIP or SOIC package variant depending on the specific datasheet revision.
Replacement Considerations
HD74AC273P
FAQ
How does the clear input affect the outputs?
When the clear input is held low, it forces all eight Q outputs to a low state regardless of the clock or data inputs.
What triggers the data transfer?
Data is transferred from the D inputs to the Q outputs on the low-to-high transition of the clock signal.
