AT25DF011-XMHN-B Equivalent & Substitute Parts

Part Overview

The AT25DF011-XMHN-B is a 1Mbit Serial Peripheral Interface (SPI) FLASH memory IC manufactured by Renesas Electronics Corporation. This non-volatile memory device operates at 104 MHz and is housed in an 8-TSSOP surface mount package. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified to address packaging format availability and inventory requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Memory Size	1Mbit
Memory Organization	128K x 8
Memory Interface	SPI
Clock Frequency	104 MHz
Supply Voltage Range	1.65V ~ 3.6V
Operating Temperature Range	-40°C ~ 85°C
Package Type	8-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the AT25DF011-XMHN-B are qualified based on the following electrical and mechanical parameters:

Electrical Compatibility Criteria:

Memory capacity: 1Mbit
Memory organization: 128K x 8
Interface protocol: SPI
Clock frequency: 104 MHz
Supply voltage range: 1.65V ~ 3.6V
Operating temperature range: -40°C ~ 85°C

Mechanical Compatibility Criteria:

Package type: 8-TSSOP
Package dimensions: 0.173" × 4.40mm width
Mounting type: Surface Mount

Compliance Criteria:

RoHS3 compliance
MSL rating: 1 (Unlimited)
Active product status

The identified substitutes differ only in packaging format (Tube vs. Cut Tape/Digi-Reel vs. Tape & Reel) and write cycle timing specifications, which do not affect functional interchangeability in standard applications.

Parameter Comparison

Parameter	AT25DF011-XMHN-B	AT25DF011-XMHN-T	AT25XE011-XMHN-T
Manufacturer	Renesas Electronics	Renesas Electronics	Renesas Electronics
Memory Size	1Mbit	1Mbit	1Mbit
Memory Organization	128K x 8	128K x 8	128K x 8
Memory Interface	SPI	SPI	SPI
Clock Frequency	104 MHz	104 MHz	104 MHz
Write Cycle Time - Word	8µs	8µs	12µs
Write Cycle Time - Page	4.6ms	4.6ms	3ms
Supply Voltage	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package Type	8-TSSOP	8-TSSOP	8-TSSOP
Packaging Format	Tube	Cut Tape & Digi-Reel	Tape & Reel
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All three parts maintain identical electrical specifications and package geometry, ensuring direct functional interchangeability in circuit designs. Selection between AT25DF011-XMHN-B, AT25DF011-XMHN-T, and AT25XE011-XMHN-T is determined by procurement requirements and packaging format availability.

AT25DF011-XMHN-B and AT25DF011-XMHN-T are electrically identical, with write cycle times of 8µs (word) and 4.6ms (page). These parts are suitable for applications requiring faster write operations.

AT25XE011-XMHN-T exhibits slightly extended write cycle times of 12µs (word) and 3ms (page), representing a different silicon variant within the same functional family. This part remains fully compatible with standard SPI FLASH memory applications.

All parts carry active product status, full RoHS3 compliance, and unlimited moisture sensitivity rating, confirming suitability for industrial and commercial deployment.

Frequently Asked Questions (FAQ)

Q: Can AT25DF011-XMHN-T be used as a direct replacement for AT25DF011-XMHN-B?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format: AT25DF011-XMHN-B is supplied in Tube format, while AT25DF011-XMHN-T is supplied in Cut Tape & Digi-Reel format. No circuit modifications are required.

Q: What is the difference between AT25DF011-XMHN-T and AT25XE011-XMHN-T?

A: Both parts are 1Mbit SPI FLASH memories in 8-TSSOP packages with identical electrical specifications. The AT25XE011-XMHN-T has slightly extended write cycle times (12µs word, 3ms page) compared to AT25DF011-XMHN-T (8µs word, 4.6ms page). This represents a different silicon variant. Both are functionally compatible in standard applications.

Q: Are all three parts RoHS3 compliant?

A: Yes. AT25DF011-XMHN-B, AT25DF011-XMHN-T, and AT25XE011-XMHN-T all carry ROHS3 compliance certification.

Q: What is the MSL rating for these parts?

A: All three parts have MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used interchangeably in high-speed SPI applications?

A: Yes. All three parts support 104 MHz clock frequency and are suitable for high-speed SPI applications. Write cycle time differences do not affect read operations or clock frequency capability.

Q: What packaging formats are available?

A: AT25DF011-XMHN-B is supplied in Tube format. AT25DF011-XMHN-T is supplied in Cut Tape & Digi-Reel format. AT25XE011-XMHN-T is supplied in Tape & Reel format. Selection depends on assembly process requirements and inventory management preferences.

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