PI6C41204LEX Clock Fanout Buffer Equivalent & Substitute Parts

Part Overview

The PI6C41204LEX is a Clock Fanout Buffer (Distribution) Multiplexer IC manufactured by Diodes Incorporated, designed for 2:4 clock distribution at 266 MHz. This part operates with LVCMOS/LVTTL inputs and LVPECL outputs in a 20-TSSOP surface mount package. The product is currently obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	PI6C41204LEX
Manufacturer	Diodes Incorporated
Category	Clock/Timing
Type	Fanout Buffer (Distribution), Multiplexer
Ratio - Input:Output	2:4
Input Signal Type	LVCMOS, LVTTL
Output Signal Type	LVPECL
Frequency - Max	266 MHz
Voltage - Supply	3.135V ~ 3.465V
Operating Temperature	0°C ~ 70°C
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PI6C41204LEX is based on strict electrical and mechanical parameter matching. All substitute parts must maintain:

Identical 2:4 input-to-output ratio
LVCMOS/LVTTL input compatibility with LVPECL output
266 MHz maximum frequency operation
3.135V ~ 3.465V supply voltage range
20-TSSOP package footprint and pinout compatibility
ROHS3 compliance and MSL 1 rating

Renesas Electronics Corporation 8535A series parts meet these core requirements. Substitutes are grouped by packaging format and operating temperature range, which do not affect functional equivalence but impact procurement and application suitability.

Parameter Comparison

Parameter	PI6C41204LEX	8535AG-01LF	8535AGI-01LF	8535AGI-01LFT	8535AG-01LFT
Manufacturer	Diodes Incorporated	Renesas Electronics	Renesas Electronics	Renesas Electronics	Renesas Electronics
Product Status	Obsolete	Active	Active	Active	Active
Type	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution), Multiplexer	Fanout Buffer (Distribution), Multiplexer
Ratio - Input:Output	2:4	2:4	2:4	2:4	2:4
Input Signal Type	LVCMOS, LVTTL	LVCMOS, LVTTL	LVCMOS, LVTTL	LVCMOS, LVTTL	LVCMOS, LVTTL
Output Signal Type	LVPECL	LVPECL	LVPECL	LVPECL	LVPECL
Frequency - Max	266 MHz	266 MHz	266 MHz	266 MHz	266 MHz
Voltage - Supply	3.135V ~ 3.465V	3.135V ~ 3.465V	3.135V ~ 3.465V	3.135V ~ 3.465V	3.135V ~ 3.465V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C	0°C ~ 70°C
Package / Case	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Packaging Format	Tape & Reel (TR)	Not Specified	Tube	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)

Engineering Selection Recommendations

All Renesas 8535A series substitutes are active products with ROHS3 compliance and MSL 1 rating, providing long-term availability and regulatory compliance advantages over the obsolete PI6C41204LEX.

For applications requiring the original 0°C ~ 70°C operating temperature range, select 8535AG-01LF or 8535AG-01LFT. The 8535AG-01LFT variant in Tape & Reel packaging matches the original PI6C41204LEX packaging format most closely.

For applications capable of operating across the extended -40°C ~ 85°C temperature range, 8535AGI-01LF and 8535AGI-01LFT provide broader environmental performance. These variants are suitable for industrial and automotive applications.

Packaging format selection depends on procurement and assembly requirements: Tape & Reel (TR) for high-volume automated assembly, Cut Tape (CT) & Digi-Reel® for mixed-volume operations, and Tube for lower-volume or manual assembly processes.

Frequently Asked Questions (FAQ)

Q: Are all listed Renesas 8535A parts pin-compatible with the PI6C41204LEX?

A: Yes. All substitute parts share identical 20-TSSOP package geometry and pinout. Direct board-level replacement is supported without layout modifications.

Q: What is the difference between 8535AG-01LF and 8535AGI-01LF?

A: The primary difference is operating temperature range. 8535AG-01LF operates 0°C ~ 70°C, while 8535AGI-01LF operates -40°C ~ 85°C. Electrical performance at standard operating conditions is equivalent. Select based on application temperature requirements.

Q: Can I use 8535AGI-01LFT in place of 8535AG-01LFT?

A: Yes, functionally. The 8535AGI-01LFT provides extended temperature range (-40°C ~ 85°C) compared to 8535AG-01LFT (0°C ~ 70°C). If your application operates within 0°C ~ 70°C, both are suitable; the extended-range variant offers additional margin.

Q: Does packaging format affect electrical performance?

A: No. Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube packaging formats contain identical die and electrical characteristics. Selection is based on procurement volume, assembly equipment, and logistics requirements.

Q: Are these substitutes suitable for new designs?

A: Yes. All Renesas 8535A series parts are active products with confirmed long-term availability, making them appropriate for both legacy replacement and new design applications.

Q: What compliance certifications apply to these substitutes?

A: All parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited moisture sensitivity level) rating. ECCN classification is EAR99 for all variants.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message