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Equivalent & Substitute Parts for 24LC024T-E/SN
Part Overview
The 24LC024T-E/SN is a 2Kbit EEPROM memory IC manufactured by Microchip Technology, featuring I2C interface operation at 400 kHz with 8-SOIC surface mount packaging. This non-volatile memory device operates across a supply voltage range of 2.5V to 5.5V and temperature range of -40°C to 125°C, with 900 ns access time and 5ms write cycle time. The part is ROHS3 compliant and currently in active product status with 3200 units in stock. Equivalent and substitute parts are identified based on matching core electrical parameters and mechanical compatibility while accounting for variations in supply voltage ranges, operating temperature limits, and packaging specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Memory Size | 2Kbit |
| Memory Organization | 256 x 8 |
| Memory Interface | I2C |
| Clock Frequency | 400 kHz |
| Access Time | 900 ns |
| Write Cycle Time | 5ms |
| Voltage Supply Range | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Package Type | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following core parameters: memory size (2Kbit), memory organization (256 x 8), I2C interface protocol, and 8-SOIC surface mount package. Parts are grouped into categories based on substitution type:
Direct Manufacturer Equivalent: Parts with identical electrical specifications and packaging from the same manufacturer, differing only in packaging format (tube vs. tape & reel).
Parametric Equivalent: Parts meeting all core electrical requirements with identical memory specifications, I2C interface, and package dimensions, though base product numbers may differ.
Upgrade/Alternative Substitutes: Parts from alternative manufacturers meeting core memory and interface specifications with compatible packaging, though operating temperature ranges or supply voltage ranges may be narrower or extended.
Manufacturer Recommended Alternatives: Parts explicitly recommended by manufacturers as functional replacements, meeting all critical electrical parameters while offering variations in supply voltage range, operating temperature, or packaging format.
Parameter Comparison
| Part Number | Manufacturer | Memory Size | Clock Frequency | Access Time | Write Cycle Time | Voltage Supply | Operating Temperature | Package | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| 24LC024T-E/SN | Microchip Technology | 2Kbit | 400 kHz | 900 ns | 5ms | 2.5V ~ 5.5V | -40°C ~ 125°C | 8-SOIC (0.154", 3.90mm) | Active | 3200 Pcs |
| 24LC024-E/SN | Microchip Technology | 2Kbit | 400 kHz | 900 ns | 5ms | 2.5V ~ 5.5V | -40°C ~ 125°C | 8-SOIC (0.154", 3.90mm) | Active | 2700 Pcs |
| 24LC02BT-E/SN | Microchip Technology | 2Kbit | 400 kHz | 900 ns | 5ms | 2.5V ~ 5.5V | -40°C ~ 125°C | 8-SOIC (0.154", 3.90mm) | Active | 7000 Pcs |
| BR24A02FJ-WME2 | Rohm Semiconductor | 2Kbit | 400 kHz | Not specified | 5ms | 2.5V ~ 5.5V | -40°C ~ 105°C | 8-SOP-J (0.154", 3.90mm) | Active | 953 Pcs |
| BR24A02F-WLBH2 | Rohm Semiconductor | 2Kbit | 400 kHz | Not specified | 5ms | 2.5V ~ 5.5V | -40°C ~ 105°C | 8-SOP (0.154", 3.90mm) | Active | 1335 Pcs |
| BR24G02F-3GTE2 | Rohm Semiconductor | 2Kbit | 400 kHz | Not specified | 5ms | 1.6V ~ 5.5V | -40°C ~ 85°C | 8-SOP (0.173", 4.40mm) | Active | 2880 Pcs |
| BR24G02FJ-3GTE2 | Rohm Semiconductor | 2Kbit | 400 kHz | Not specified | 5ms | 1.6V ~ 5.5V | -40°C ~ 85°C | 8-SOP-J (0.154", 3.90mm) | Active | 24840 Pcs |
| BR24L02F-WE2 | Rohm Semiconductor | 2Kbit | 400 kHz | Not specified | 5ms | 1.8V ~ 5.5V | -40°C ~ 85°C | 8-SOP (0.173", 4.40mm) | Active | 39785 Pcs |
| BR24L02FJ-WE2 | Rohm Semiconductor | 2Kbit | 400 kHz | Not specified | 5ms | 1.8V ~ 5.5V | -40°C ~ 85°C | 8-SOP-J (0.154", 3.90mm) | Active | 15154 Pcs |
| CAT24C03WI-GT3 | onsemi | 2Kbit | 400 kHz | 900 ns | 5ms | 1.8V ~ 5.5V | -40°C ~ 85°C | 8-SOIC (0.154", 3.90mm) | Obsolete | 3440 Pcs |
| M24C02-DRMN3TP/K | STMicroelectronics | 2Kbit | 1 MHz | 450 ns | 4ms | 1.8V ~ 5.5V | -40°C ~ 125°C | 8-SOIC (0.154", 3.90mm) | Active | 5027 Pcs |
Engineering Selection Recommendations
Primary Selection - Microchip Technology 24LC024-E/SN: Direct equivalent to the 24LC024T-E/SN with identical electrical specifications and packaging. Suitable for direct replacement in all applications requiring the original part specifications.
Primary Selection - Microchip Technology 24LC02BT-E/SN: Parametric equivalent meeting all core electrical requirements with verified DiGi-Electronics programmability status and higher inventory availability (7000 units). Recommended for applications where extended supply is required.
Alternative Selection - Rohm Semiconductor BR24G02FJ-3GTE2: Manufacturer-recommended alternative with 2Kbit capacity, 400 kHz I2C interface, and 8-SOP-J packaging compatible with 0.154" width specification. Extended supply voltage range (1.6V ~ 5.5V) provides flexibility for low-power applications. Highest inventory availability (24840 units) among Rohm alternatives. Operating temperature limited to -40°C ~ 85°C.
Alternative Selection - Rohm Semiconductor BR24L02FJ-WE2: Manufacturer-recommended alternative with verified DiGi-Electronics programmability. Supply voltage range 1.8V ~ 5.5V with 8-SOP-J packaging matching original 0.154" width. Operating temperature -40°C ~ 85°C. Suitable for applications not requiring the full 125°C upper temperature limit.
Alternative Selection - STMicroelectronics M24C02-DRMN3TP/K: Enhanced performance alternative with 1 MHz clock frequency and 450 ns access time (faster than original 900 ns). Automotive-grade qualification (AEC-Q100) with operating temperature range -40°C ~ 125°C matching original specification. Supply voltage 1.8V ~ 5.5V. Suitable for applications requiring higher speed operation and automotive reliability standards.
Not Recommended - onsemi CAT24C03WI-GT3: Product status is obsolete. While electrical specifications are compatible, obsolete status limits long-term availability and support.
Frequently Asked Questions (FAQ)
Q: Can 24LC024-E/SN be used as a direct replacement for 24LC024T-E/SN?
A: Yes. Both parts are manufactured by Microchip Technology with identical electrical specifications (2Kbit, 400 kHz I2C, 900 ns access time, 5ms write cycle), supply voltage range (2.5V ~ 5.5V), operating temperature (-40°C ~ 125°C), and 8-SOIC packaging (0.154", 3.90mm width). The difference is packaging format (tube vs. tape & reel), which does not affect functional compatibility.
Q: What is the difference between 24LC02BT-E/SN and 24LC024T-E/SN?
A: Both parts meet identical electrical specifications and packaging requirements. The 24LC02BT-E/SN has verified DiGi-Electronics programmability status and higher inventory availability (7000 units vs. 3200 units). The base product number differs (24LC02 vs. 24LC024), but functional parameters are equivalent.
Q: Can Rohm Semiconductor BR24G02FJ-3GTE2 replace the original 24LC024T-E/SN?
A: Functional replacement is possible for applications not requiring the full -40°C ~ 125°C temperature range. The BR24G02FJ-3GTE2 meets core specifications (2Kbit, 400 kHz I2C, 8-SOP-J packaging with 0.154" width) but operates only to -40°C ~ 85°C. Supply voltage range is extended (1.6V ~ 5.5V). Verify application temperature requirements before selection.
Q: What is the advantage of M24C02-DRMN3TP/K over the original part?
A: The M24C02-DRMN3TP/K offers enhanced performance with 1 MHz clock frequency and 450 ns access time compared to the original 400 kHz and 900 ns. It includes automotive-grade qualification (AEC-Q100) and maintains the full -40°C ~ 125°C operating temperature range. Supply voltage is 1.8V ~ 5.5V. Select this part for applications requiring faster I2C operation and automotive reliability standards.
Q: Are there packaging differences between substitute parts?
A: Yes. The original 24LC024T-E/SN uses 8-SOIC packaging (0.154", 3.90mm width). Rohm alternatives include both 8-SOP-J (0.154", 3.90mm width, compatible) and 8-SOP (0.173", 4.40mm width, wider). Verify PCB layout compatibility before selecting wider package variants. STMicroelectronics M24C02-DRMN3TP/K uses standard 8-SOIC (0.154", 3.90mm width) matching the original.
Q: Why is CAT24C03WI-GT3 not recommended despite compatible specifications?
A: The CAT24C03WI-GT3 has obsolete product status, which limits long-term availability, manufacturer support, and supply chain reliability. Active alternatives with equivalent or superior specifications are available from Microchip Technology, Rohm Semiconductor, and STMicroelectronics.
Q: What supply voltage range should I verify for my application?
A: The original 24LC024T-E/SN operates at 2.5V ~ 5.5V. Rohm alternatives offer either 1.6V ~ 5.5V (BR24G02 series) or 1.8V ~ 5.5V (BR24L02 series), enabling operation at lower voltages. STMicroelectronics M24C02-DRMN3TP/K operates at 1.8V ~ 5.5V. Verify your system's minimum supply voltage to confirm compatibility with selected substitute.
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