24LC21A-I/SNGAlternatives & Equivalent Parts
About 24LC21A-I/SNG
24LC21A-I/SNG is a Integrated Circuit component manufactured by Microchip. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | 24LC21A-I/SNGSource | 24LC21A-I/SN |
|---|---|---|
| Manufacturer | Microchip | Microchip |
| Package Type | Small Outline Packages | Other |
| Pin Count | 8 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | — | $0.4200 |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE |
| Electrical Parameters | ||
| Pbfree Code | Yes | Yes |
| YTEOL | 5 | 8 |
| Additional Feature | 2-WIRE SERIAL INTERFACE | 2.5V TO 5.5V @ 0.1MHz |
| Clock Frequency-Max (fCLK) | 0.4 MHz | 0.4 MHz |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e3 | e3 |
| Memory Density | 1024 bit | 1024 bit |
| Memory IC Type | EEPROM | EEPROM |
| Memory Width | 8 | 8 |
| Number of Functions | 1 | 1 |
| Number of Words | 128 words | 128 words |
| Number of Words Code | 128 | 128 |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS |
| Organization | 128X8 | 128X8 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Parallel/Serial | SERIAL | SERIAL |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Serial Bus Type | I2C | I2C |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 2.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 3 V | 5 V |
| Surface Mount | YES | YES |
| Technology | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 | — |
| Write Cycle Time-Max (tWC) | 10 ms | 10 ms |
| Manufacturer Package Code | — | SOIC-8 |
| Factory Lead Time | — | 6 Weeks |
| Data Retention Time-Min | — | 200 |
| Endurance | — | 1000000 Write/Erase Cycles |
| I2C Control Byte | — | 1010000R |
| Number of Ports | — | 1 |
| Output Characteristics | — | OPEN-DRAIN |
| Package Equivalence Code | — | SOP8,.23 |
| Programming Voltage | — | 5 V |
| Screening Level | — | TS 16949 |
| Standby Current-Max | — | 0.0001 A |
| Supply Current-Max | — | 0.003 mA |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for 24LC21A-I/SNG is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating 24LC21A-I/SNG replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to 24LC21A-I/SNG?
Known equivalents for 24LC21A-I/SNG include 24LC21A-I/SN. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 24LC21A-I/SNG?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify 24LC21A-I/SNG alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.