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Product Detailed Parameters
- Description：IC D-TYPE TRANSP SGL 8:8 20TSSOP
- Series：74AHC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Logic Type：D-Type Transparent Latch
- Circuit：8:08
- Output Type：Tri-State
- Voltage - Supply：2V ~ 5.5V
- Independent Circuits：1
- Delay Time - Propagation：1ns
- Current - Output High, Low：8mA, 8mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：20-TSSOP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The SN74AHC573QPWRQ1 is an automotive-grade octal transparent D-type latch manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 5.5V. The device features eight outputs that follow the data inputs when the latch enable signal is high, and hold the last input state when the enable signal is low. It is AEC-Q100 qualified for automotive applications and housed in a TSSOP-20 package.
Feature Summary
- Octal transparent D-type latch architecture with independent data paths
- Wide operating voltage range supporting 2V to 5.5V power supplies
- AEC-Q100 qualified for robust automotive environment reliability
Applications
- Automotive data storage circuits
- Automotive display driver interfaces
- General-purpose memory buffering in vehicle electronics
Procurement Notes
Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and tape-and-reel specifications. Confirm AEC-Q100 qualification status and RoHS compliance requirements specific to your target application before finalizing procurement orders.
Selection Notes
Select this component for designs requiring wide voltage compatibility and automotive reliability standards. Ensure the TSSOP-20 package footprint matches the PCB layout constraints. Verify that the required output drive current and propagation delay characteristics meet the system timing specifications.
Part Context
This device belongs to the SN74AHC573-Q1 family of octal transparent D-type latches designed specifically for automotive electronic systems. The series provides high-speed performance with low power consumption, making it suitable for various digital logic applications in modern vehicles.
FAQ
Is the SN74AHC573QPWRQ1 suitable for harsh automotive environments?
Yes, the device is AEC-Q100 qualified, indicating it meets the rigorous reliability standards required for automotive applications.
How does the latch enable input affect the output state?
When the latch enable input is high, the outputs follow the data inputs. When the latch enable input is low, the outputs are latched at the logic levels established on the data inputs.
