IDT71V416L10YI Equivalent & Substitute Parts

Part Overview

The IDT71V416L10YI is a 4Mbit asynchronous SRAM memory IC manufactured by Renesas Electronics Corporation in a 44-SOJ package. This part operates at 3V to 3.6V supply voltage with a 10 ns access time and 256K x 16 memory organization. The product is currently obsolete, making equivalent substitute parts necessary for system maintenance, legacy equipment repair, and design updates where this memory IC is specified.

Key Parameters

Parameter	Value
Memory Type	Volatile SRAM
Memory Size	4Mbit
Memory Organization	256K x 16
Memory Interface	Parallel
Access Time	10 ns
Write Cycle Time	10 ns
Voltage Supply Range	3V to 3.6V
Operating Temperature	-40°C to 85°C
Package Type	44-BSOJ (0.400", 10.16mm Width)
Mounting Type	Surface Mount
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the IDT71V416L10YI are qualified based on the following electrical and mechanical parameters:

Memory capacity: 4Mbit with 256K x 16 organization
Memory interface: Parallel asynchronous SRAM technology
Access and write cycle time: 10 ns
Supply voltage compatibility: Parts must operate within or encompass the 3V to 3.6V range
Package: 44-BSOJ surface mount configuration
Operating temperature range: -40°C to 85°C
Moisture sensitivity level: 3 (168 Hours)

All substitute parts listed meet these core electrical and mechanical specifications, ensuring functional and physical compatibility with the original IDT71V416L10YI in circuit applications.

Parameter Comparison

Parameter	IDT71V416L10YI	AS7C34098A-10JINTR	IS61WV25616BLL-10KLI	IS61WV25616BLL-10KLI-TR
Manufacturer	Renesas Electronics	Alliance Memory, Inc.	ISSI	ISSI
Memory Size	4Mbit	4Mbit	4Mbit	4Mbit
Memory Organization	256K x 16	256K x 16	256K x 16	256K x 16
Access Time	10 ns	10 ns	10 ns	10 ns
Write Cycle Time	10 ns	10 ns	10 ns	10 ns
Voltage Supply Range	3V to 3.6V	3V to 3.6V	2.4V to 3.6V	2.4V to 3.6V
Operating Temperature	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C
Package / Case	44-BSOJ	44-BSOJ	44-BSOJ	44-BSOJ
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Obsolete	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Option	Standard	Tape & Reel (TR)	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

All three substitute parts—AS7C34098A-10JINTR, IS61WV25616BLL-10KLI, and IS61WV25616BLL-10KLI-TR—are active products with ROHS3 compliance, providing advantages over the obsolete IDT71V416L10YI for new designs and legacy system updates.

The ISSI parts (IS61WV25616BLL-10KLI and IS61WV25616BLL-10KLI-TR) offer extended voltage supply range compatibility (2.4V to 3.6V) compared to the original part's 3V to 3.6V specification, providing additional design flexibility in systems with variable supply conditions.

Selection between tube packaging (IS61WV25616BLL-10KLI) and tape & reel packaging (IS61WV25616BLL-10KLI-TR or AS7C34098A-10JINTR) depends on procurement volume and assembly process requirements. Tape & reel packaging is standard for high-volume automated assembly operations, while tube packaging is suitable for lower-volume or manual assembly scenarios.

Frequently Asked Questions (FAQ)

Q: Can I directly replace IDT71V416L10YI with any of these substitute parts?

A: Yes. All listed substitute parts share identical memory capacity (4Mbit), organization (256K x 16), access time (10 ns), package type (44-BSOJ), and operating temperature range (-40°C to 85°C). They are electrically and mechanically compatible for direct substitution in circuit applications.

Q: What is the difference between the ISSI parts and the Alliance Memory part?

A: The primary difference is voltage supply range. ISSI parts (IS61WV25616BLL series) operate from 2.4V to 3.6V, while the Alliance Memory AS7C34098A-10JINTR operates from 3V to 3.6V. Both meet the original part's 3V to 3.6V requirement. All three parts are ROHS3 compliant and active products.

Q: What does the "-TR" suffix mean in IS61WV25616BLL-10KLI-TR?

A: The "-TR" suffix indicates tape & reel packaging, which is standard for automated pick-and-place assembly. The IS61WV25616BLL-10KLI without the "-TR" suffix comes in tube packaging, suitable for manual or lower-volume assembly processes.

Q: Are there any compatibility concerns with the 44-BSOJ package?

A: No. All substitute parts use the identical 44-BSOJ package (0.400", 10.16mm width) with surface mount configuration. PCB footprints and assembly processes remain unchanged.

Q: Why is the original IDT71V416L10YI marked as obsolete?

A: The IDT71V416L10YI is obsolete due to market discontinuation by Renesas Electronics. The listed substitute parts from Alliance Memory and ISSI are active products with current manufacturing support and availability.

Q: Do all parts have the same moisture sensitivity level?

A: Yes. All parts, including the original and all substitutes, have Moisture Sensitivity Level 3 (168 Hours). Identical handling and storage protocols apply across all parts.

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