24LC64-I/STAlternatives & Equivalent Parts
About 24LC64-I/ST
24LC64-I/ST 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 | 24LC64-I/STSource | 24AA256UID-I/ST | 24AA32A-I/SN | 24AA32AT-I/OT | 24LC512-I/P | 24LC512-I/SM | 24LC512-I/ST | 24LC64-I/SM | 24LC64T-E/OT | 24LC515-I/SM | 24LC16BT-I/OT |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT23 (5-Pin) | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT23 (5-Pin) | Small Outline Packages | SOT23 (5-Pin) |
| Pin Count | 8 | 8 | 8 | 5 | 8 | 8 | 8 | 8 | 5 | 8 | 5 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | — |
| Price | $0.1996 | $0.9600 | $0.2400 | $0.3384 | $0.8350 | $1.4437 | $1.4963 | $0.2900 | $0.4700 | $3.4800 | $0.3168 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||||||
| Pbfree Code | Yes | — | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | TSSOP-8 | TSSOP-8 | SOIC-8 | SOT-23-5 | PDIP-8 | SOIJ-8 | TSSOP-8 | SOIJ-8 | SOT-23-5 | SOIJ-8 | SOT-23-5 |
| Factory Lead Time | 23 Weeks | 6 Weeks | 24 Weeks | 23 Weeks | 8 Weeks | 6 Weeks | 8 Weeks | 23 Weeks | 6 Weeks | 6 Weeks | 7 Weeks |
| YTEOL | 8 | 13 | 8 | 8 | 9 | 9 | 9 | 8 | 9 | 3 | 8 |
| Clock Frequency-Max (fCLK) | 0.4 MHz | 0.4 MHz | 0.1 MHz | 0.1 MHz | 0.4 MHz | 0.4 MHz | 0.4 MHz | 0.4 MHz | 0.4 MHz | 0.4 MHz | — |
| Data Retention Time-Min | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | — |
| Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | — |
| I2C Control Byte | 1010DDDR | 1010DDDR | 1010DDDR | 1010000R | 1010DDDR | 1010DDDR | 1010DDDR | 1010DDDR | 1010XXXR | 1010MDDR | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G5 | R-PDIP-T8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-J8 | R-PDSO-G5 | R-PDSO-G8 | — |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 | — |
| Memory Density | 65536 bit | 262144 bit | 32768 bit | 32768 bit | 524288 bit | 524288 bit | 524288 bit | 65536 bit | 65536 bit | 524288 bit | — |
| Memory IC Type | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Width | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
| Number of Ports | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — |
| Number of Words | 8192 words | 32768 words | 4096 words | 4096 words | 65536 words | 65536 words | 65536 words | 8192 words | 8192 words | 65536 words | — |
| Number of Words Code | 8000 | 32000 | 4000 | 4000 | 64000 | 64000 | 64000 | 8000 | 8000 | 64000 | — |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | — |
| Organization | 8KX8 | 32KX8 | 4KX8 | 4KX8 | 64KX8 | 64KX8 | 64KX8 | 8KX8 | 8KX8 | 64KX8 | — |
| Output Characteristics | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | OPEN-DRAIN | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | TSSOP8,.25 | TSSOP8,.25 | SOP8,.25 | TSOP5/6,.11,37 | DIP8,.3 | SOP8,.3 | TSSOP8,.25 | SOP8,.3 | TSOP5/6,.11,37 | SOP8,.3 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | IN-LINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | — |
| Parallel/Serial | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL | — |
| Programming Voltage | 4.5 V | 4.5 V | 2.5 V | 2.5 V | 5 V | 5 V | 5 V | 4.5 V | 4.5 V | 4.5 V | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Serial Bus Type | I2C | I2C | I2C | I2C | I2C | I2C | I2C | I2C | I2C | I2C | — |
| Standby Current-Max | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A | 0.000001 A | 0.000005 A | 0.000005 A | — |
| Supply Current-Max | 0.003 mA | 0.003 mA | 0.003 mA | 0.003 mA | 0.005 mA | 0.005 mA | 0.005 mA | 0.003 mA | 0.003 mA | 0.003 mA | — |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — |
| Supply Voltage-Min (Vsup) | 2.5 V | 2.5 V | 1.7 V | 1.7 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | — |
| Supply Voltage-Nom (Vsup) | 4.5 V | 4.5 V | 2.5 V | 2.5 V | 5 V | 5 V | 5 V | 4.5 V | 4.5 V | 4.5 V | — |
| Surface Mount | YES | YES | YES | YES | NO | YES | YES | YES | YES | YES | — |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | J BEND | GULL WING | GULL WING | — |
| Terminal Pitch | 0.65 mm | 0.65 mm | 1.27 mm | 0.95 mm | 2.54 mm | 1.27 mm | 0.65 mm | 1.27 mm | 0.95 mm | 1.27 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | — |
| Write Cycle Time-Max (tWC) | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms | — |
| Write Protection | HARDWARE | — | HARDWARE | HARDWARE | HARDWARE | HARDWARE | HARDWARE | HARDWARE | HARDWARE | HARDWARE | — |
| Additional Feature | — | ALSO OPERATES AT 1.7V TO 2.5V @ 0.1MHZ | — | — | — | — | — | — | — | — | — |
| Screening Level | — | TS 16949 | — | — | — | — | — | — | — | TS 16949 | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 | — | 260 | 260 | 260 | 260 | 260 | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | 40 | — | 40 | 40 | 40 | 40 | 40 | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for 24LC64-I/ST 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 24LC64-I/ST 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 24LC64-I/ST?
Known equivalents for 24LC64-I/ST include 24AA256UID-I/ST, 24AA32A-I/SN, 24AA32AT-I/OT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 24LC64-I/ST?
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 24LC64-I/ST 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.