Equivalent & Substitute Parts for NDQ46PFI-6NET

Part Overview

The NDQ46PFI-6NET is a DDR4 4Gbit SDRAM memory IC manufactured by Insignis Technology Corporation. This component is a volatile DRAM device configured as 256M x 16 with a 1.6 GHz clock frequency, designed for surface mount applications in 96-FBGA packaging. The part is currently active in production with 1156 units in stock. Identifying equivalent substitute parts is necessary to ensure supply chain continuity, manage inventory across multiple suppliers, and maintain design flexibility for production environments.

Key Parameters

Parameter	Value
Memory Type	Volatile DRAM
Technology	SDRAM - DDR4
Memory Size	4Gbit
Memory Organization	256M x 16
Memory Interface	POD
Clock Frequency	1.6 GHz
Access Time	18 ns
Write Cycle Time	15 ns
Voltage Supply Range	1.14V ~ 1.26V
Operating Temperature	0°C ~ 95°C (TC)
Package Type	96-TFBGA (7.5x13)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the NDQ46PFI-6NET are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Critical Matching Parameters:

Memory Size: 4Gbit
Memory Organization: 256M x 16
Technology: SDRAM - DDR4
Memory Interface: POD
Clock Frequency: 1.6 GHz
Access Time: 18 ns
Write Cycle Time: 15 ns
Voltage Supply Range: 1.14V ~ 1.26V
Operating Temperature Range: 0°C ~ 95°C (TC)
Package Type: 96-TFBGA (7.5x13)
Mounting Type: Surface Mount
RoHS Compliance: ROHS3 Compliant
Moisture Sensitivity Level: 3 (168 Hours)

Parts meeting all these parameters are classified as direct parametric equivalents and may be substituted without design modification.

Parameter Comparison

Parameter	NDQ46PFI-6NET (Insignis)	AS4C256M16D4A-62BCN (Alliance Memory)
Manufacturer	Insignis Technology Corporation	Alliance Memory, Inc.
Memory Size	4Gbit	4Gbit
Memory Organization	256M x 16	256M x 16
Technology	SDRAM - DDR4	SDRAM - DDR4
Memory Interface	POD	POD
Clock Frequency	1.6 GHz	1.6 GHz
Access Time	18 ns	18 ns
Write Cycle Time	15 ns	15 ns
Voltage Supply Range	1.14V ~ 1.26V	1.14V ~ 1.26V
Operating Temperature	0°C ~ 95°C (TC)	0°C ~ 95°C (TC)
Package Type	96-TFBGA (7.5x13)	96-TFBGA (7.5x13)
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)	3 (168 Hours)
Product Status	Active	Active
Current Inventory	1156 Pcs	1178 Pcs

Engineering Selection Recommendations

The AS4C256M16D4A-62BCN from Alliance Memory, Inc. is a direct parametric equivalent to the NDQ46PFI-6NET. Both parts are active products with identical electrical specifications, memory organization, timing characteristics, and physical packaging. Both components meet ROHS3 compliance requirements and share the same moisture sensitivity classification.

Selection between these parts should be based on:

Availability and Lead Time: Both parts maintain active inventory levels. Current stock for NDQ46PFI-6NET is 1156 units, while AS4C256M16D4A-62BCN has 1178 units available.

Supply Chain Considerations: Using both qualified suppliers reduces single-source dependency and provides supply chain resilience.

Compliance Requirements: Both parts satisfy ROHS3 compliance. The AS4C256M16D4A-62BCN additionally carries REACH Unaffected status and EAR99 export classification, which may be relevant for specific regulatory or geographic requirements.

Frequently Asked Questions (FAQ)

Q: Can AS4C256M16D4A-62BCN be used as a direct replacement for NDQ46PFI-6NET without PCB redesign?

A: Yes. Both parts share identical electrical parameters, memory organization (256M x 16), timing specifications (18 ns access time, 15 ns write cycle time), voltage requirements (1.14V ~ 1.26V), and physical packaging (96-TFBGA 7.5x13). No circuit modification is required.

Q: Are there any differences in operating temperature ranges between these parts?

A: No. Both parts operate across the identical temperature range of 0°C to 95°C (TC).

Q: What is the significance of the 96-TFBGA package designation?

A: The 96-TFBGA (Thin Fine Ball Grid Array) with 7.5x13mm dimensions is the physical package format. Both parts use this identical package, ensuring mechanical compatibility with existing PCB layouts and assembly processes.

Q: Do both parts have the same moisture sensitivity requirements?

A: Yes. Both parts are classified as MSL 3 (168 Hours), requiring identical handling, storage, and reflow procedures.

Q: What does POD interface mean in the context of these memory devices?

A: POD (Pseudo Open Drain) is the memory interface standard for these DDR4 SDRAM components. Both parts implement this identical interface specification.

Q: Are there any export or regulatory differences between the two manufacturers?

A: The AS4C256M16D4A-62BCN carries EAR99 export classification and REACH Unaffected status. These designations may be relevant for specific geographic or regulatory compliance requirements in your application.

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