PI6C2405A-1HWIEX Zero Delay Buffer IC Equivalent & Substitute Parts

Part Overview

The PI6C2405A-1HWIEX is a Zero Delay Buffer IC manufactured by Diodes Incorporated, classified as a Clock/Timing component. This device operates at a maximum frequency of 133MHz with a 1:5 input-to-output ratio, featuring TTL input and output compatibility. The part is currently in Last Time Buy status, indicating end-of-life production. Substitute parts are necessary to ensure continued design flexibility, maintain supply chain alternatives, and support long-term product availability for applications requiring zero delay buffer functionality in 8-SOIC packaging.

Key Parameters

Parameter	Value
Device Type	Zero Delay Buffer
Maximum Frequency	133MHz
Input-to-Output Ratio	1:5
Input Logic Level	TTL
Output Logic Level	TTL
Supply Voltage Range	3V to 3.6V
Operating Temperature Range	-40°C to 85°C
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
PLL Feature	Yes
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the PI6C2405A-1HWIEX is determined by the following critical parameters:

Device Type: Zero Delay Buffer
Maximum Frequency: 133MHz
Input-to-Output Ratio: 1:5
Package Type: 8-SOIC (0.154", 3.90mm Width)
Supply Voltage Range: 3V to 3.6V
RoHS Compliance: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed below meet these core electrical and mechanical specifications. Variations in input/output logic levels (LVTTL vs. TTL, CMOS, LVCMOS) and operating temperature ranges represent acceptable substitution parameters within the zero delay buffer category. Packaging format variations (Tube vs. Tape & Reel) do not affect electrical compatibility but may impact procurement and assembly workflows.

Parameter Comparison

Part Number	Manufacturer	Type	Frequency (MHz)	Ratio	Input	Output	Supply (V)	Temp Range (°C)	Package	Status
PI6C2405A-1HWIEX	Diodes Incorporated	Zero Delay Buffer	133	1:5	TTL	TTL	3.0–3.6	-40 to 85	8-SOIC	Last Time Buy
2305-1DCG	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305-1DCG8	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305-1HDCG	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305-1HDCG8	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305A-1DCG	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305A-1DCG8	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305A-1HDCG	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305A-1HDCG8	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305B-1DCG	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active
2305B-1DCG8	Renesas Electronics	Zero Delay Buffer	133	1:5	LVTTL	CMOS, LVCMOS, TTL	3.0–3.6	0 to 70	8-SOIC	Active

Engineering Selection Recommendations

All listed substitute parts are manufactured by Renesas Electronics Corporation and maintain Active product status, ensuring long-term availability and supply chain stability. Each substitute meets ROHS3 compliance and maintains MSL Level 1 (Unlimited) moisture sensitivity classification, matching the original PI6C2405A-1HWIEX specifications.

The primary distinction between substitute options relates to packaging format and operating temperature range. Parts designated with "8" suffix (2305-1DCG8, 2305-1HDCG8, 2305A-1DCG8, 2305A-1HDCG8, 2305B-1DCG8) are supplied in Tape & Reel format, suitable for automated assembly processes. Parts without the "8" suffix are supplied in Tube packaging. The "H" designation in part numbers (2305-1HDCG, 2305-1HDCG8, 2305A-1HDCG, 2305A-1HDCG8) indicates alternative internal configuration variants within the same electrical specification class.

The PI6C2405A-1HWIEX operates across -40°C to 85°C, while all Renesas substitutes operate across 0°C to 70°C. Applications requiring extended low-temperature operation below 0°C must retain the original PI6C2405A-1HWIEX or evaluate alternative device families.

Frequently Asked Questions (FAQ)

Q: Can Renesas 2305 series parts directly replace the PI6C2405A-1HWIEX in existing designs?

A: Yes, all listed Renesas 2305 series parts are electrically compatible substitutes. They maintain identical frequency specifications (133MHz), input-to-output ratio (1:5), supply voltage range (3V–3.6V), and 8-SOIC package dimensions. The primary design consideration is the operating temperature range: Renesas parts operate 0°C to 70°C versus the original part's -40°C to 85°C specification.

Q: What is the difference between 2305-1DCG and 2305-1DCG8?

A: Both parts are electrically identical. The "8" suffix indicates Tape & Reel packaging format, optimized for high-volume automated assembly. The 2305-1DCG is supplied in Tube packaging. Select based on your assembly process requirements.

Q: Are there differences between 2305, 2305A, and 2305B base part numbers?

A: All three base families (2305, 2305A, 2305B) meet the same electrical specifications for zero delay buffer operation at 133MHz with 1:5 ratio. Variants represent different internal design revisions or manufacturing generations within Renesas' product line. All are functionally equivalent for this application category.

Q: What does the "H" designation in part numbers like 2305-1HDCG indicate?

A: The "H" represents an alternative configuration variant within the same electrical specification class. Parts with and without the "H" designation maintain identical frequency, ratio, voltage, and package specifications and are interchangeable from an electrical standpoint.

Q: Can I use these substitutes in applications requiring -40°C operation?

A: No. All Renesas 2305 series substitutes are rated 0°C to 70°C. Applications requiring -40°C minimum operating temperature must use the original PI6C2405A-1HWIEX or identify alternative device families with extended temperature ratings.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity classification, matching the original part's environmental certifications.

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