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Product Detailed Parameters
- Description：IC CLK BUFFER 1:8 80MHZ 20SOIC
- Series：-
- Package：Bulk,Tube
- Mfr：Texas Instruments
- Type：Fanout Buffer (Distribution)
- Number of Circuits：1
- Ratio - Input:Output：1:08
- Differential - Input:Output：No/No
- Input：TTL
- Output：CMOS
- Frequency - Max：80 MHz
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The CDC337DW is a single-channel clock buffer and distribution device manufactured by Texas Instruments. It functions as a fanout buffer with a 1:8 input-to-output ratio, converting TTL inputs to CMOS outputs. The component supports a maximum operating frequency of 80 MHz and operates within a supply voltage range of 4.75 V to 5.25 V. Designed for surface mount installation, it is housed in a 20-SOIC package (0.295 inch width). The device is rated for an industrial temperature range from -40°C to +85°C.
Feature Summary
- 1:8 Fanout Buffer Configuration
- TTL Input to CMOS Output Conversion
- Maximum Frequency of 80 MHz
- 20-SOIC Surface Mount Package
Applications
- Clock signal distribution in digital systems
- Buffering TTL sources for CMOS loads
- General-purpose clock driver applications
Procurement Notes
Verify the specific manufacturer part number against official Texas Instruments documentation to ensure compatibility. Confirm that the 20-SOIC package dimensions and pinout match the target PCB layout requirements. Check for any specific environmental or qualification certifications required by the end application standards.
Selection Notes
Select this component when a single TTL source needs to drive up to eight CMOS clock inputs. Ensure the system power supply remains stable between 4.75 V and 5.25 V. Verify that the 80 MHz maximum frequency meets the timing requirements of the downstream circuitry and that the -40°C to +85°C operating range is sufficient for the environment.
Part Context
This device belongs to the Texas Instruments clock buffer and driver family. It is specifically designed for distributing clock signals from a single source to multiple destinations. The 1:8 ratio makes it suitable for systems requiring moderate fanout without complex routing.
Replacement Considerations
The CDC337DWG4 is identified as a discontinued variant of this product line. The CDC337DW serves as the current available alternative. Verify pin compatibility and electrical specifications before substituting.
