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24LC01BHT-E/LT EEPROM Memory IC Equivalent & Substitute Parts
Part Overview
The 24LC01BHT-E/LT is a 1Kbit EEPROM memory integrated circuit manufactured by Microchip Technology, designed for I2C serial communication applications. This non-volatile memory device operates across a wide supply voltage range of 2.5V to 5.5V and supports industrial temperature ranges from -40°C to 125°C. The component is currently in active production status with robust inventory availability. Substitute parts are identified when equivalent electrical specifications, memory capacity, interface protocol, and physical packaging are maintained across the product line.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Memory Size | 1Kbit |
| Memory Organization | 128 x 8 |
| Memory Interface | I2C |
| Clock Frequency | 400 kHz |
| Voltage Supply Range | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Package Type | SC-70-5 (5-TSSOP, SOT-353) |
| Mounting Type | Surface Mount |
| Write Cycle Time | 5ms |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 24LC01BHT-E/LT is determined by strict equivalence across the following critical parameters:
- Memory capacity: 1Kbit (128 x 8 organization)
- Serial interface protocol: I2C at 400 kHz clock frequency
- Supply voltage compatibility: 2.5V to 5.5V operating range
- Temperature rating: -40°C to 125°C
- Physical package: SC-70-5 surface mount configuration
- Regulatory compliance: ROHS3 and REACH status alignment
The 24LC01BT-E/LT qualifies as a direct substitute based on matching all electrical specifications, memory organization, interface characteristics, and physical packaging requirements. Variations in access time specifications do not affect substitution eligibility when all other parameters remain equivalent.
Parameter Comparison
| Parameter | 24LC01BHT-E/LT (Main) | 24LC01BT-E/LT (Substitute) |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Memory Size | 1Kbit | 1Kbit |
| Memory Organization | 128 x 8 | 128 x 8 |
| Memory Interface | I2C | I2C |
| Clock Frequency | 400 kHz | 400 kHz |
| Access Time | 900 ns | 4.6 µs |
| Write Cycle Time | 5ms | 5ms |
| Voltage Supply | 2.5V ~ 5.5V | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Package Type | SC-70-5 | SC-70-5 |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both the 24LC01BHT-E/LT and 24LC01BT-E/LT maintain active production status with full regulatory compliance under ROHS3 and REACH standards. Selection between these parts should be based on application-specific access time requirements and inventory availability. The 24LC01BT-E/LT offers higher inventory levels (9772 units) compared to the main part (756 units), making it suitable for high-volume production scenarios. Both components are certified for identical operating conditions and package specifications, ensuring direct functional interchangeability in I2C-based memory applications.
Frequently Asked Questions (FAQ)
Q: Can the 24LC01BT-E/LT replace the 24LC01BHT-E/LT in existing designs?
A: Yes. Both parts maintain identical memory capacity, I2C interface specifications, supply voltage range, operating temperature range, and SC-70-5 package configuration. The difference in access time (4.6 µs versus 900 ns) does not affect substitution eligibility for standard I2C memory applications.
Q: Are there any package compatibility concerns between these parts?
A: No. Both the 24LC01BHT-E/LT and 24LC01BT-E/LT use the SC-70-5 surface mount package (5-TSSOP, SOT-353), ensuring identical PCB footprint and assembly compatibility.
Q: What regulatory certifications apply to both substitute parts?
A: Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions for electronic components.
Q: Does the access time difference impact I2C communication?
A: Access time specifications define the delay from address input to data output availability. Both parts support the 400 kHz I2C clock frequency standard. The 24LC01BT-E/LT's 4.6 µs access time remains within acceptable parameters for I2C protocol timing requirements.
Q: Are both parts suitable for industrial temperature applications?
A: Yes. Both the 24LC01BHT-E/LT and 24LC01BT-E/LT are rated for -40°C to 125°C operating temperature range, supporting industrial and extended temperature applications.
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