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Equivalent & Substitute Parts Reference for AT24C01C-SSPD-T
Part Overview
The AT24C01C-SSPD-T from Microchip Technology is an active EEPROM Memory IC, featuring a 1Kbit (128 x 8) configuration with an I2C interface, a maximum clock frequency of 1 MHz, and 8-SOIC packaging. Due to application needs such as part obsolescence, supply chain constraints, and specific compliance requirements, sourcing equivalent and substitute models is often necessary. Alternatives must meet strict electrical and mechanical matching to ensure form, fit, and function compatibility.
Substiute Parts
Key Parameters
| Parameter | AT24C01C-SSPD-T |
|---|---|
| Manufacturer Part Number | AT24C01C-SSPD-T |
| Manufacturer | Microchip Technology |
| Category | Memory |
| Memory Type | Non-Volatile EEPROM |
| Memory Size | 1Kbit |
| Memory Organization | 128 x 8 |
| Memory Interface | I2C |
| Clock Frequency | 1 MHz |
| Voltage - Supply | 2.5V ~ 5.5V |
| Write Cycle Time | 5ms |
| Access Time | 900 ns |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Unaffected |
| Part Status | Active |
| Qualification | AEC-Q100 |
Substitute Part Grouping Explanation
Substitute selection is based strictly on matching electrical and mechanical key parameters for the Memory category. The following criteria are used: memory type (EEPROM), memory size (1Kbit), organization (128 x 8), interface (I2C), voltage range, package (8-SOIC, matching dimensions), mounting type (surface mount), environmental compliance (RoHS, REACH status), and operational temperature range. Only parts that share these parameters are eligible as substitutes.
Parameter Comparison
| Parameter | AT24C01C-SSPD-T | BR24C01-RMN6TP |
|---|---|---|
| Manufacturer | Microchip Technology | ROHM Semiconductor |
| Category | Memory | Memory |
| Memory Type | EEPROM | EEPROM |
| Memory Size | 1Kbit | 1Kbit |
| Memory Organization | 128 x 8 | 128 x 8 |
| Memory Interface | I2C | I2C |
| Clock Frequency | 1 MHz | 100 kHz |
| Voltage - Supply | 2.5V ~ 5.5V | 1.8V ~ 5.5V |
| Write Cycle Time | 5ms | 10ms |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Part Status | Active | Not For New Designs |
Engineering Selection Recommendations
Part status is a primary consideration in the engineering selection process. AT24C01C-SSPD-T is listed as Active, whereas BR24C01-RMN6TP is classified as Not For New Designs. Both components are RoHS3 compliant and REACH unaffected. Qualification for automotive grade (AEC-Q100) is indicated for AT24C01C-SSPD-T and not specified for the substitute. Environmental and compliance factors should be strictly matched according to application needs.
Frequently Asked Questions (FAQ)
Q1: What electrical characteristics must match for substitution between EEPROM ICs?
A1: Only the parameters provided must match for direct substitution. Key attributes include memory type, size, organization, I2C interface, voltage range, and operating temperature.
Q2: Are packaging and mechanical outline interchangeable between AT24C01C-SSPD-T and BR24C01-RMN6TP?
A2: Both components use the 8-SOIC (0.154", 3.90mm Width) surface mount package, supporting direct replacement from a mechanical perspective.
Q3: Is automotive qualification (AEC-Q100) necessary when selecting substitute EEPROM Memory ICs?
A3: AT24C01C-SSPD-T is automotive-qualified. If the application demands AEC-Q100, the substitute part's qualification must be verified within provided parameters.
Q4: How does part status affect engineering selection?
A4: Active status indicates continued manufacturer support. "Not For New Designs" status should be considered if long-term production or new design reliability is required.
Q5: Does compliance with RoHS and REACH standards ensure substitute compatibility?
A5: RoHS3 and REACH status must be identical between main and substitute parts for environmental compliance within specified parameters.
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