25LC1024T-E/SM vs 25LC1024-I/SM

Dieser detaillierte Vergleich von 25LC1024T-E/SM und 25LC1024-I/SM bietet wertvolle Einblicke in deren Spezifikationen und Hauptmerkmale. Wir gehen ausführlich auf wichtige Faktoren ein, darunter RoHS-Konformität, REACH-Status, Serie, Montageart, Gehäusetyp und weitere relevante Eigenschaften. Die übersichtliche Darstellung der Unterschiede vereinfacht die Komponentenauswahl und erleichtert Ihnen die Wahl der optimalen Lösung für Ihre Anwendung.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Replacement verdict

Compatible functional replacement candidate

The 25LC1024T-E/SM is a functionally compatible replacement candidate for the 25LC1024-I/SM, sharing identical memory density, interface, and package footprint, with the primary distinction being the extended temperature range rating of the E-grade variant.

Memory Density High match
Interface Type High match
Package Type High match
Operating Temperature Validation required

Review the critical differences →

Parts at a glance

Key differences

Rows are prioritized by design impact. Highlighted values require attention during substitution.

Key electrical and mechanical differences between the two devices

Parameter 25LC1024-I/SM 25LC1024T-E/SM Why it matters
Memory Type EEPROM EEPROM Both are serial EEPROM devices, so the fundamental storage technology is the same.
Memory Organization 128K x 8 128K x 8 Identical organization means the same address space and byte-wide access behavior.
Memory Interface SPI SPI Both use the SPI bus, allowing drop-in compatibility in SPI-based designs.
Clock Frequency 10 MHz 10 MHz Same maximum clock rate means equivalent read/write throughput capability.
Supply Voltage 2.5 V to 5.5 V 2.5 V to 5.5 V Identical operating voltage range supports the same system power rails.
Operating Temperature Range -40°C to +85°C -40°C to +125°C The extended temperature range of the E-grade part allows use in harsher environments.
Package / Case 8-SOIC 8-SOIC Same package footprint ensures physical board-level interchangeability.
Mounting Type Surface Mount Surface Mount Both are surface-mount, but the tape-and-reel option of the T-grade part affects assembly handling.
Packaging Tube Tape & Reel Different packaging affects automated pick-and-place assembly and inventory handling.
Write Cycle Time 5 ms 5 ms Same write cycle time means equivalent programming latency in the application.

Need help validating a replacement?

Send your BOM and application constraints for technical and sourcing review.

Anfrage Contact technical support

Full specification comparison

Use manufacturer datasheets as the final authority.

Specification 25LC1024T-E/SM 25LC1024-I/SM
Part Status Active Active
Memory Type Non-Volatile Non-Volatile
Memory Format EEPROM EEPROM
Technology EEPROM EEPROM
Memory Size 1Mb (128K x 8) 1Mb (128K x 8)
Memory Interface SPI SPI
Clock Frequency 20 MHz 20 MHz
Write Cycle Time - Word Page 6ms 6ms
Voltage - Supply 2.5V ~ 5.5V 2.5V ~ 5.5V
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount

Frequently asked questions

What are the key differences between the 25LC1024-I/SM and 25LC1024T-E/SM?

The primary differences are the temperature range and packaging option. The 25LC1024-I/SM is specified for the industrial temperature range of -40°C to +85°C and is supplied in a tube. The 25LC1024T-E/SM is specified for the extended temperature range of -40°C to +125°C and is supplied in tape and reel. Both devices are identical 1 Mbit SPI serial EEPROMs in an 8-lead SOIC package.

Are the 25LC1024-I/SM and 25LC1024T-E/SM functionally interchangeable?

Yes, both devices are functionally identical 1 Mbit SPI serial EEPROMs with the same memory organization, command set, and electrical characteristics, except for the operating temperature range. They can be interchanged if the application's temperature requirements are satisfied by the selected version.

What is the memory organization of the 25LC1024-I/SM and 25LC1024T-E/SM?

Both devices are 1 Mbit serial EEPROMs organized as 131,072 words × 8 bits (128 Kbytes). They support byte-level and page-level writes with a 256-byte page size.

What SPI modes do the 25LC1024-I/SM and 25LC1024T-E/SM support?

Both devices support SPI modes 0 (0,0) and 3 (1,1), as defined by the clock polarity (CPOL) and clock phase (CPHA) settings. This allows compatibility with most standard SPI hosts.

What is the maximum clock frequency for the 25LC1024-I/SM and 25LC1024T-E/SM?

Both devices support a maximum SPI clock frequency of 20 MHz for read operations and 10 MHz for write operations, as specified in the manufacturer datasheet.

What are the operating voltage ranges for the 25LC1024-I/SM and 25LC1024T-E/SM?

Both devices operate over a supply voltage range of 2.5 V to 5.5 V, making them suitable for 3.3 V and 5 V systems.

What package type do the 25LC1024-I/SM and 25LC1024T-E/SM use?

Both devices are offered in an 8-lead SOIC (Small Outline Integrated Circuit) package, designated by the "SM" suffix in the part number. The package is Pb-free and RoHS compliant.

What is the difference in temperature range between the 25LC1024-I/SM and 25LC1024T-E/SM?

The 25LC1024-I/SM is rated for the industrial temperature range of -40°C to +85°C. The 25LC1024T-E/SM is rated for the extended temperature range of -40°C to +125°C. The "I" suffix denotes industrial, and the "E" suffix denotes extended temperature range.

What does the "T" suffix indicate in the 25LC1024T-E/SM part number?

The "T" suffix indicates that the device is supplied in tape and reel packaging, which is suitable for automated pick-and-place assembly. The 25LC1024-I/SM without the "T" is supplied in tubes.

Compare Anfrage