CDC318ADLG4 Equivalent & Substitute Parts

Part Overview

The CDC318ADLG4 is a Clock Fanout Buffer (Distribution) integrated circuit manufactured by Texas Instruments, designed for 1:18 clock distribution applications with a maximum frequency of 100 MHz. This device features LVTTL input and LVTTL/TTL output compatibility, operating within a supply voltage range of 3.135V to 3.465V and a temperature range of 0°C to 70°C.

The CDC318ADLG4 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production needs.

Substiute Parts

CDC318ADLG4

Texas InstrumentsIn Stock: 774CDC318ADLG4 Datasheet

Current PartRFQ

CDC318ADL

Texas InstrumentsIn Stock: 1362CDC318ADL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CDC318ADLG4 is determined by strict equivalence across the following critical parameters:

• Fanout Ratio: 1:18 input-to-output configuration
• Maximum Frequency: 100 MHz operation capability
• Input/Output Logic Levels: LVTTL input with LVTTL/TTL output compatibility
• Supply Voltage Range: 3.135V to 3.465V
• Operating Temperature Range: 0°C to 70°C
• Package Type: 48-BSSOP surface mount package
• Base Product Number: CDC318 series designation

The CDC318ADL meets all substitution criteria as a functionally equivalent alternative, differing only in packaging format (Tube versus the original specification) and product status (Active versus Discontinued).

Parameter Comparison

Engineering Selection Recommendations

The CDC318ADL is the manufacturer-recommended substitute for the discontinued CDC318ADLG4. Both devices are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications across all critical parameters. The CDC318ADL carries Active product status, ensuring continued availability and supply chain reliability.

Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, supporting equivalent environmental and regulatory requirements. The CDC318ADL is packaged in Tube format, which is standard for production quantities and does not affect functional compatibility or performance characteristics.

Selection of the CDC318ADL as a replacement for the CDC318ADLG4 is supported by complete parameter equivalence and manufacturer recommendation.

Frequently Asked Questions (FAQ)

Q: Can the CDC318ADL directly replace the CDC318ADLG4 in existing designs?

A: Yes. The CDC318ADL is electrically and mechanically equivalent to the CDC318ADLG4 across all specified parameters, including fanout ratio, frequency capability, logic levels, supply voltage, operating temperature range, and package dimensions.

Q: What is the difference between CDC318ADLG4 and CDC318ADL?

A: The primary differences are product status (Discontinued versus Active) and packaging format (unspecified versus Tube). All electrical and mechanical specifications are identical.

Q: Are there any compatibility concerns with the 48-BSSOP package?

A: No. Both parts use the identical 48-BSSOP (0.295", 7.50mm Width) surface mount package. PCB footprints and assembly processes remain unchanged.

Q: Does the CDC318ADL meet the same compliance requirements?

A: Yes. The CDC318ADL maintains ROHS3 compliance, identical moisture sensitivity level (MSL 2, 1 Year), and equivalent REACH and ECCN classifications.

Q: Is the CDC318ADL available in higher quantities?

A: The CDC318ADL shows higher inventory availability (1310 Pcs) compared to the CDC318ADLG4 (680 Pcs), supporting production scaling and supply chain continuity.