AT25DN512C-SSHFGP-T Equivalent & Substitute Parts

Part Overview

The AT25DN512C-SSHFGP-T is a 512Kbit FLASH memory IC manufactured by Renesas Electronics Corporation, featuring SPI interface with 104 MHz clock frequency in 8-SOIC surface mount packaging. This part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter range for this memory device category.

Key Parameters

Parameter	Value
Memory Size	512Kbit
Memory Organization	64K x 8
Memory Interface	SPI
Clock Frequency	104 MHz
Voltage Supply Range	2.3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TC)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Write Cycle Time - Word	8µs
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the AT25DN512C-SSHFGP-T are qualified based on the following criteria:

Core Electrical Compatibility:

Memory Size: 512Kbit
Memory Organization: 64K x 8
Memory Interface: SPI
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TC)
RoHS Status: ROHS3 Compliant

Allowed Parameter Variations:

Clock Frequency: 104 MHz (primary specification maintained)
Voltage Supply Range: 2.3V ~ 3.6V (main part) to 1.65V ~ 3.6V (extended range acceptable)
Write Cycle Time - Word: 8µs (maintained across all substitutes)
Write Cycle Time - Page: 1.75ms to 4.6ms (within acceptable operational range)
Packaging Format: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, or Tube

Parameter Comparison

Part Number	Manufacturer	Memory Size	Memory Organization	SPI Clock	Voltage Supply	Write Cycle (Word/Page)	Package	Packaging Format	Product Status
AT25DN512C-SSHFGP-T	Renesas Electronics	512Kbit	64K x 8	104 MHz	2.3V ~ 3.6V	8µs / 1.75ms	8-SOIC	Tape & Reel (TR)	Active
AT25DF512C-SSHN-T	Renesas Electronics	512Kbit	64K x 8	104 MHz	1.65V ~ 3.6V	8µs / 4.6ms	8-SOIC	Tape & Reel (TR)	Active
AT25DN512C-SSHF-B	Renesas Electronics	512Kbit	64K x 8	104 MHz	2.3V ~ 3.6V	8µs / 1.75ms	8-SOIC	Tube	Active
AT25DN512C-SSHF-T	Renesas Electronics	512Kbit	64K x 8	104 MHz	2.3V ~ 3.6V	8µs / 1.75ms	8-SOIC	Cut Tape (CT) & Digi-Reel®	Active
AT25XE512C-SSHN-T	Renesas Electronics	512Kbit	64K x 8	104 MHz	1.65V ~ 3.6V	12µs / 3ms	8-SOIC	Tape & Reel (TR)	Active

Engineering Selection Recommendations

All substitute parts listed maintain Active product status and ROHS3 compliance, qualifying them for direct substitution in applications where the specified electrical and mechanical parameters are compatible.

AT25DF512C-SSHN-T: Extends voltage supply range to 1.65V minimum, suitable for low-voltage applications. Page write cycle time increases to 4.6ms. Verified programmable status.

AT25DN512C-SSHF-B: Identical electrical specifications to the main part with Tube packaging format. Verified programmable status. Suitable for applications requiring alternative packaging.

AT25DN512C-SSHF-T: Identical electrical specifications to the main part with Cut Tape (CT) & Digi-Reel® packaging format. Verified programmable status. Highest inventory availability (12,300 pcs).

AT25XE512C-SSHN-T: Extends voltage supply range to 1.65V minimum. Word write cycle time increases to 12µs and page write cycle time to 3ms. Suitable for low-voltage applications with relaxed timing requirements.

Frequently Asked Questions (FAQ)

Q: Can AT25DF512C-SSHN-T replace AT25DN512C-SSHFGP-T in all applications?

A: AT25DF512C-SSHN-T is electrically compatible with extended voltage range (1.65V ~ 3.6V vs. 2.3V ~ 3.6V) and identical SPI clock frequency. Page write cycle time differs (4.6ms vs. 1.75ms). Substitution is valid where the application voltage supply and write timing requirements are met.

Q: What is the difference between packaging formats?

A: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®, and Tube are packaging and delivery formats. All contain identical 8-SOIC components. Selection depends on assembly process requirements and quantity needs.

Q: Is AT25XE512C-SSHN-T suitable as a direct replacement?

A: AT25XE512C-SSHN-T maintains 512Kbit capacity, 64K x 8 organization, SPI interface, and 8-SOIC package. Word write cycle time increases to 12µs (vs. 8µs) and voltage supply extends to 1.65V minimum. Substitution is valid where timing specifications permit the increased write cycle time.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and maintain Active product status.

Q: What determines compatibility between these parts?

A: Compatibility is determined by matching memory size (512Kbit), memory organization (64K x 8), SPI interface, 8-SOIC package, surface mount type, and operating temperature range (-40°C ~ 85°C). Voltage supply range and write cycle times may vary within acceptable operational parameters.

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