93LC66A/SNAlternatives & Equivalent Parts
About 93LC66A/SN
93LC66A/SN 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 | 93LC66A/SNSource | 93LC66A-I/SN | 93LC66A-I/ST | 93LC66A-I/MS |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 8 | 8 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.2753 | $0.1970 | $0.0891 | $0.3216 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | SOIC-8 | SOIC-8 | TSSOP-8 | MSOP-8 |
| Factory Lead Time | 23 Weeks | 14 Weeks | 12 Weeks | 23 Weeks |
| YTEOL | 8 | 8 | 8 | 8 |
| Clock Frequency-Max (fCLK) | 2 MHz | 1 MHz | 2 MHz | 2 MHz |
| Data Retention Time-Min | 200 | 200 | 200 | 200 |
| Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | S-PDSO-G8 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Memory Density | 4096 bit | 4096 bit | 4096 bit | 4096 bit |
| Memory IC Type | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Width | 8 | 8 | 8 | 8 |
| Number of Functions | 1 | 1 | 1 | 1 |
| Number of Ports | 1 | 1 | 1 | 1 |
| Number of Words | 512 words | 512 words | 512 words | 512 words |
| Number of Words Code | 512 | 512 | 512 | 512 |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS |
| Organization | 512X8 | 512X8 | 512X8 | 512X8 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.23 | SOP8,.25 | TSSOP8,.25 | TSSOP8,.19 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL | SERIAL | SERIAL | SERIAL |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Programming Voltage | 3 V | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Screening Level | AEC-Q100 | TS 16949 | TS 16949 | TS 16949 |
| Serial Bus Type | MICROWIRE | MICROWIRE | MICROWIRE | MICROWIRE |
| Standby Current-Max | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A |
| Supply Current-Max | 0.0015 mA | 0.002 mA | 0.002 mA | 0.002 mA |
| Supply Voltage-Max (Vsup) | 6 V | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 2.5 V | 1.8 V | 2.5 V | 2.5 V |
| Supply Voltage-Nom (Vsup) | 3 V | 2.5 V | 3 V | 3 V |
| Surface Mount | YES | YES | YES | YES |
| Technology | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 0.65 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| Write Cycle Time-Max (tWC) | 6 ms | 6 ms | 6 ms | 6 ms |
| Write Protection | HARDWARE/SOFTWARE | SOFTWARE | SOFTWARE | SOFTWARE |
| Additional Feature | — | 1000000 ERASE/WRITE CYCLES MIN; DATA RETENTION > 200 YEARS | 1000000 ERASE/WRITE CYCLES MIN; DATA RETENTION > 200 YEARS | — |
| Output Characteristics | — | TOTEM POLE | TOTEM POLE | TOTEM POLE |
| Ready/Busy | — | YES | YES | YES |
| Reverse Pinout | — | NO | NO | NO |
| Toggle Bit | — | YES | YES | YES |
| Time@Peak Reflow Temperature-Max (s) | — | — | 40 | 40 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 3 alternatives for 93LC66A/SN — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 93LC66A/SN 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 93LC66A/SN 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 93LC66A/SN?
Known equivalents for 93LC66A/SN include 93LC66A-I/SN, 93LC66A-I/ST, 93LC66A-I/MS. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 93LC66A/SN?
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 93LC66A/SN 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.