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Product Detailed Parameters
- Description：IC OCTAL D-TYPE LATCH 20SOP
- Series：74HC
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR)
- Logic Type：D-Type Latch
- Circuit：8:08
- Output Type：Tri-State
- Voltage - Supply：2V ~ 6V
- Independent Circuits：1
- Delay Time - Propagation：17ns
- Current - Output High, Low：7.8mA, 7.8mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：20-SOP
- Grade：-
- Qualification：-
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Overview
The TC74HC573AF(EL,F) is an octal D-type latch manufactured by Toshiba Semiconductor and Storage. It features tri-state outputs and operates within a supply voltage range of 2V to 6V. The device contains eight D-type latches with separate inputs and output control, designed for bus-oriented systems. It utilizes CMOS technology for low power consumption, with an operating supply current of 4 uA. The component is housed in a 20-SOIC package with a width of 5.30mm.
Feature Summary
- Octal configuration providing eight independent D-type latches
- Tri-state output capability for efficient bus driving
- CMOS construction ensuring low power consumption
Applications
- Bus-oriented memory mapping
- Register applications requiring data storage
- Digital signal processing systems
Procurement Notes
Verify the complete part number including the (EL,F) suffix to ensure correct packaging and tape-and-reel specifications. Confirm the manufacturer is Toshiba Semiconductor and Storage to avoid counterfeit components. Check the datasheet for specific handling instructions related to ESD sensitivity during assembly and storage processes.
Selection Notes
Select this component when an octal latch with tri-state outputs is required for digital logic circuits. Ensure the system voltage falls within the 2V to 6V operational range. Consider the 20-SOIC package dimensions for PCB layout compatibility. Verify that the HC series speed and drive capabilities meet the application requirements.
Part Context
This component belongs to the TC74HC series of high-speed CMOS logic devices from Toshiba. It serves as a general-purpose logic IC suitable for various digital applications. The device is part of Toshiba's portfolio of standard logic integrated circuits designed for reliability and performance in consumer and industrial electronics.
Replacement Considerations
Compatible substitutes include other octal D-type latches with tri-state outputs such as the SN74HC573 or MC14573B. Ensure pinout compatibility and electrical characteristics match before substitution. Verify package type equivalence if physical footprint constraints exist.
