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24LC00T-I/ST EEPROM Memory IC Equivalent & Substitute Parts
Part Overview
The 24LC00T-I/ST is a 128-bit EEPROM memory integrated circuit manufactured by Microchip Technology. This non-volatile memory device operates via I2C interface at 400 kHz clock frequency and is housed in an 8-TSSOP surface mount package. The device is classified as Active product status and maintains full RoHS3 compliance. Substitute parts are identified when electrical specifications, memory organization, interface protocol, and physical packaging remain functionally equivalent across manufacturing variants and packaging configurations.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Memory Size | 128 bit |
| Memory Format | EEPROM |
| Memory Organization | 16 x 8 |
| Memory Interface | I2C |
| Clock Frequency | 400 kHz |
| Access Time | 4.6 µs |
| Write Cycle Time | 4 ms |
| Voltage Supply Range | 2.5V ~ 5.5V |
| Operating Temperature | -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
The 24LC00-I/ST qualifies as a direct substitute for the 24LC00T-I/ST based on the following criteria:
Electrical Equivalence: Both parts share identical memory capacity (128 bit), memory organization (16 x 8), I2C interface protocol, clock frequency (400 kHz), access time (4.6 µs), write cycle time (4 ms), and supply voltage range (2.5V ~ 5.5V). Operating temperature range (-40°C ~ 85°C) is identical across both variants.
Physical Compatibility: Both devices utilize the 8-TSSOP surface mount package with identical dimensions (0.173", 4.40mm Width), ensuring mechanical interchangeability on printed circuit boards.
Compliance Alignment: Both parts maintain ROHS3 compliance, identical MSL rating (1 - Unlimited), and equivalent regulatory status (REACH Unaffected, ECCN EAR99).
Packaging Differentiation: The primary distinction between these parts is packaging configuration. The 24LC00T-I/ST is supplied in Tape & Reel (TR) format, while the 24LC00-I/ST is supplied in Tube packaging. This difference affects procurement and assembly logistics but does not impact electrical or mechanical performance.
Parameter Comparison
| Parameter | 24LC00T-I/ST (Main Part) | 24LC00-I/ST (Substitute) |
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology |
| Memory Size | 128 bit | 128 bit |
| Memory Format | EEPROM | EEPROM |
| Memory Organization | 16 x 8 | 16 x 8 |
| Memory Interface | I2C | I2C |
| Clock Frequency | 400 kHz | 400 kHz |
| Access Time | 4.6 µs | 4.6 µs |
| Write Cycle Time | 4 ms | 4 ms |
| Voltage Supply | 2.5V ~ 5.5V | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Package Type | 8-TSSOP | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| Packaging Format | Tape & Reel (TR) | Tube |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the 24LC00T-I/ST and 24LC00-I/ST are Active status products from Microchip Technology with full ROHS3 compliance and equivalent regulatory certifications. Selection between these parts should be based on procurement and assembly requirements rather than electrical or mechanical performance criteria.
The 24LC00T-I/ST in Tape & Reel packaging is suitable for high-volume automated assembly operations where reel-fed component handling is standard. The 24LC00-I/ST in Tube packaging accommodates lower-volume applications or manual assembly processes. Both packaging formats maintain identical MSL ratings and handling requirements.
Frequently Asked Questions (FAQ)
Q: Can the 24LC00-I/ST replace the 24LC00T-I/ST in production?
A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Tube versus Tape & Reel). Substitution is valid provided assembly equipment can accommodate the alternate packaging format.
Q: Are there any performance differences between these parts?
A: No. Memory capacity, I2C interface specifications, access time, write cycle time, voltage range, and operating temperature are identical. Both parts deliver equivalent functional performance.
Q: What is the significance of the packaging difference?
A: Tape & Reel (TR) packaging is optimized for automated pick-and-place assembly at high volumes. Tube packaging is used for manual assembly or lower-volume applications. The choice depends on manufacturing process requirements, not component performance.
Q: Do both parts meet the same compliance standards?
A: Yes. Both the 24LC00T-I/ST and 24LC00-I/ST are ROHS3 compliant, REACH unaffected, and carry identical MSL ratings (1 - Unlimited). Regulatory and environmental compliance is equivalent.
Q: Is the 8-TSSOP package identical for both parts?
A: Yes. Both parts use the same 8-TSSOP surface mount package with identical dimensions (0.173", 4.40mm Width). PCB footprints and soldering requirements are identical.
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