AT45DB021E-SHNHC-T Equivalent & Substitute Parts

Part Overview

The AT45DB021E-SHNHC-T is a 2Mbit FLASH memory IC manufactured by Renesas Electronics Corporation, designed for SPI interface applications operating at 70 MHz. This non-volatile memory device is actively produced and widely used in embedded systems requiring reliable data storage with low power consumption. Substitute parts become necessary when the original packaging format (Tape & Reel) is unavailable, when alternative sourcing is required for supply chain optimization, or when inventory constraints necessitate compatible alternatives from the same manufacturer's product line.

Key Parameters

Parameter	Value
Memory Size	2Mbit
Memory Format	FLASH
Memory Interface	SPI
Clock Frequency	70 MHz
Memory Organization	264 Bytes x 1024 pages
Write Cycle Time (Word/Page)	8µs / 3ms
Supply Voltage Range	1.65V ~ 3.6V
Operating Temperature Range	-40°C ~ 85°C (TC)
Package / Case	8-SOIC (0.209", 5.30mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AT45DB021E-SHNHC-T is determined by strict equivalence across the following critical parameters: memory size (2Mbit), memory format (FLASH), interface protocol (SPI), clock frequency (70 MHz), memory organization (264 Bytes x 1024 pages), write cycle timing (8µs word / 3ms page), supply voltage range (1.65V ~ 3.6V), operating temperature range (-40°C ~ 85°C), package type (8-SOIC), and mounting method (Surface Mount). All substitute parts listed maintain identical electrical and mechanical specifications. Variations exist only in packaging format (Tape & Reel versus Tube) and DiGi-Electronics programmability verification status, neither of which affects functional compatibility in circuit applications.

Parameter Comparison

Parameter	AT45DB021E-SHNHC-T	AT45DB021E-SHN-B	AT45DB021E-SHN-T	AT45DB021E-SHNHA-T
Manufacturer	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation	Renesas Electronics Corporation
Memory Size	2Mbit	2Mbit	2Mbit	2Mbit
Memory Format	FLASH	FLASH	FLASH	FLASH
Memory Interface	SPI	SPI	SPI	SPI
Clock Frequency	70 MHz	70 MHz	70 MHz	70 MHz
Memory Organization	264 Bytes x 1024 pages	264 Bytes x 1024 pages	264 Bytes x 1024 pages	264 Bytes x 1024 pages
Write Cycle Time (Word/Page)	8µs / 3ms	8µs / 3ms	8µs / 3ms	8µs / 3ms
Supply Voltage Range	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Operating Temperature Range	-40°C ~ 85°C (TC)	-40°C ~ 85°C (TC)	-40°C ~ 85°C (TC)	-40°C ~ 85°C (TC)
Package / Case	8-SOIC (0.209", 5.30mm Width)	8-SOIC (0.209", 5.30mm Width)	8-SOIC (0.209", 5.30mm Width)	8-SOIC (0.209", 5.30mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Packaging Format	Tape & Reel (TR)	Tube	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and functional equivalence to the AT45DB021E-SHNHC-T. Selection among these alternatives should be based on packaging requirements and supply availability. The AT45DB021E-SHN-B offers Tube packaging as an alternative to Tape & Reel format. The AT45DB021E-SHN-T and AT45DB021E-SHNHA-T both maintain Tape & Reel packaging identical to the original part. All substitute parts carry Active product status and ROHS3 compliance, ensuring continued manufacturer support and regulatory compliance. DiGi-Electronics programmability verification status does not affect circuit-level compatibility and should not be a selection criterion for standard applications.

Frequently Asked Questions (FAQ)

Q: Can AT45DB021E-SHN-B be used as a direct replacement for AT45DB021E-SHNHC-T? A: Yes. The AT45DB021E-SHN-B is electrically and functionally identical. The only difference is packaging format: Tube instead of Tape & Reel. For surface mount assembly processes requiring Tape & Reel format, use AT45DB021E-SHN-T or AT45DB021E-SHNHA-T instead.

Q: Are there any performance differences between the substitute parts? A: No. All substitute parts share identical electrical specifications: 2Mbit FLASH memory, SPI interface, 70 MHz clock frequency, 1.65V ~ 3.6V supply voltage, -40°C ~ 85°C operating temperature, and 8-SOIC package dimensions.

Q: What does DiGi-Electronics Programmable verification mean? A: This indicates whether the part has been verified for programmability through DiGi-Electronics' testing process. This status does not affect functional compatibility in circuit applications and is not a substitution criterion.

Q: Can I mix packaging formats in the same production run? A: Packaging format selection depends on assembly equipment and process requirements. Tape & Reel format (AT45DB021E-SHNHC-T, AT45DB021E-SHN-T, AT45DB021E-SHNHA-T) is standard for automated pick-and-place assembly. Tube format (AT45DB021E-SHN-B) is suitable for manual assembly or alternative handling processes.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 Compliant status and Moisture Sensitivity Level 1 (Unlimited), meeting current environmental and reliability standards.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message