24LC256-E/SNAlternatives & Equivalent Parts
About 24LC256-E/SN
24LC256-E/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 | 24LC256-E/SNSource | TRS232ECDR | 74437356022 | ATMEGA328-AU | LM66100DCKR | 24LC256T-E/SN | 24LC256-I/SM | 24LC256-E/MS | 24LC256T-I/SM | 24LC256-I/MS |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | Texas Instruments | Würth Elektronik | Microchip | Texas Instruments | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Inductors Precision Moulded | Quad Flat Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 16 | 2 | 32 | 6 | 8 | 8 | 8 | 8 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | ~ 70.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.4430 | $0.8614 | $1.3338 | $1.7700 | $0.1013 | $0.9519 | $0.9061 | $0.9918 | $0.5100 | $0.4260 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||||
| Pbfree Code | Yes | — | — | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | SOIC-8 | — | — | TQFP-32 | — | SOIC-8 | SOIJ-8 | MSOP-8 | SOIJ-8 | MSOP-8 |
| Factory Lead Time | 6 Weeks | — | — | 6 Weeks | — | 7 Weeks | 7 Weeks | 11 Weeks | 7 Weeks | 11 Weeks |
| YTEOL | 8 | 0 | 15 | 14 | 15 | 8 | 8 | 9 | 8 | 8 |
| Clock Frequency-Max (fCLK) | 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 |
| 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 |
| I2C Control Byte | 1010DDDR | — | — | — | — | 1010DDDR | 1010DDDR | 1010DDDR | 1010DDDR | 1010DDDR |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G16 | — | S-PQFP-G32 | R-PDSO-G6 | R-PDSO-G8 | R-PDSO-G8 | S-PDSO-G8 | R-PDSO-G8 | S-PDSO-G8 |
| JESD-609 Code | e3 | e4 | — | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Memory Density | 262144 bit | — | — | — | — | 262144 bit | 262144 bit | 262144 bit | 262144 bit | 262144 bit |
| Memory IC Type | EEPROM | — | — | — | — | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Width | 8 | — | — | — | — | 8 | 8 | 8 | 8 | 8 |
| Number of Functions | 1 | 2 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Ports | 1 | — | — | — | — | 1 | 1 | 1 | 1 | 1 |
| Number of Words | 32768 words | — | — | — | — | 32768 words | 32768 words | 32768 words | 32768 words | 32768 words |
| Number of Words Code | 32000 | — | — | — | — | 32000 | 32000 | 32000 | 32000 | 32000 |
| Operating Mode | SYNCHRONOUS | — | — | — | — | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS |
| Organization | 32KX8 | — | — | — | — | 32KX8 | 32KX8 | 32KX8 | 32KX8 | 32KX8 |
| Output Characteristics | 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 |
| Package Equivalence Code | SOP8,.23 | SOP16,.25 | — | TQFP32,.35SQ,32 | TSSOP6,.08 | SOP8,.23 | SOP8,.3 | SOP8,.19 | SOP8,.3 | SOP8,.19 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMT | FLATPACK, THIN PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Parallel/Serial | SERIAL | — | — | — | — | SERIAL | SERIAL | SERIAL | SERIAL | SERIAL |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Programming Voltage | 4.5 V | — | — | — | — | 4.5 V | 4.5 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 |
| Screening Level | AEC-Q100 | — | — | — | — | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 | AEC-Q100 |
| Serial Bus Type | I2C | — | — | — | — | I2C | I2C | I2C | I2C | I2C |
| Standby Current-Max | 0.000005 A | — | — | — | — | 0.000005 A | 0.0000015 A | 0.000005 A | 0.0000015 A | 0.000005 A |
| Supply Current-Max | 0.003 mA | 10 mA | — | 12 mA | — | 0.003 mA | 0.003 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 |
| Supply Voltage-Min (Vsup) | 2.5 V | — | — | — | 1.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Supply Voltage-Nom (Vsup) | 4.5 V | — | — | — | 3.6 V | 4.5 V | 4.5 V | 4.5 V | 3.6 V | 4.5 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | CMOS | BICMOS | — | CMOS | — | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | COMMERCIAL | — | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Matte Tin (Sn) | Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | 0.8 mm | 0.65 mm | 1.27 mm | 1.27 mm | 0.65 mm | 1.27 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | — | QUAD | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Write Cycle Time-Max (tWC) | 5 ms | — | — | — | — | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms |
| Write Protection | HARDWARE | — | — | — | — | HARDWARE | HARDWARE | HARDWARE | HARDWARE | HARDWARE |
| Differential Output | — | NO | — | — | — | — | — | — | — | — |
| Driver Number of Bits | — | 2 | — | — | — | — | — | — | — | — |
| Input Characteristics | — | SCHMITT TRIGGER | — | — | — | — | — | — | — | — |
| Interface IC Type | — | LINE TRANSCEIVER | — | — | — | — | — | — | — | — |
| Interface Standard | — | EIA-232-F; TIA-232-F; V.28 | — | — | — | — | — | — | — | — |
| Out Swing-Min | — | 10 V | — | — | — | — | — | — | — | — |
| Output Low Current-Max | — | 0.0032 A | — | — | — | — | — | — | — | — |
| Output Polarity | — | INVERTED | — | — | — | — | — | — | — | — |
| Receiver Number of Bits | — | 2 | — | — | — | — | — | — | — | — |
| Supply Voltage-Max | — | 5.5 V | — | 5.5 V | — | — | — | — | — | — |
| Supply Voltage-Min | — | 4.5 V | — | 5 V | — | — | — | — | — | — |
| Supply Voltage-Nom | — | 5 V | — | 5 V | — | — | — | — | — | — |
| Supply Voltage1-Max | — | 5.5 V | — | — | — | — | — | — | — | — |
| Supply Voltage1-Min | — | 4.5 V | — | — | — | — | — | — | — | — |
| Supply Voltage1-Nom | — | 5 V | — | — | — | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | — | 30 | — | 40 | — | 40 | — |
| ## TRS232ECDR Alternates Showing results | — | Image | — | — | — | — | — | — | — | — |
| Case/Size Code | — | — | 3833 | — | — | — | — | — | — | — |
| Construction | — | — | Rectangular | — | — | — | — | — | — | — |
| Core Material | — | — | POWDERED IRON | — | — | — | — | — | — | — |
| DC Resistance | — | — | 0.0203 Ω | — | — | — | — | — | — | — |
| Inductance-Nom (L) | — | — | 2.2 µH | — | — | — | — | — | — | — |
| Inductor Application | — | — | POWER INDUCTOR | — | — | — | — | — | — | — |
| Inductor Type | — | — | GENERAL PURPOSE INDUCTOR | — | — | — | — | — | — | — |
| Package Height | — | — | 3 mm | — | — | — | — | — | — | — |
| Package Length | — | — | 9.7 mm | — | — | — | — | — | — | — |
| Package Width | — | — | 8.5 mm | — | — | — | — | — | — | — |
| Packing Method | — | — | TR, Embossed Plastic, 13 Inch | — | — | — | — | — | — | — |
| Rated Current-Max | — | — | 8.5 A | — | — | — | — | — | — | — |
| Self Resonance Frequency | — | — | 24 MHz | — | — | — | — | — | — | — |
| Shape/Size Description | — | — | RECTANGULAR PACKAGE | — | — | — | — | — | — | — |
| Shielded | — | — | YES | — | — | — | — | — | — | — |
| Special Feature | — | — | INDUCTANCE IS MEASURED AT 10 MILLI AMPERE | — | — | — | — | — | — | — |
| Terminal Placement | — | — | DUAL ENDED | — | — | — | — | — | — | — |
| Terminal Shape | — | — | J BEND | — | — | — | — | — | — | — |
| Test Frequency | — | — | 0.1 MHz | — | — | — | — | — | — | — |
| Tolerance | — | — | 20% | — | — | — | — | — | — | — |
| Has ADC | — | — | — | YES | — | — | — | — | — | — |
| Additional Feature | — | — | — | IT ALSO OPERATES 1.8V AT 4 MHZ | — | — | — | — | — | — |
| Bit Size | — | — | — | 8 | — | — | — | — | — | — |
| Boundary Scan | — | — | — | NO | — | — | — | — | — | — |
| CPU Family | — | — | — | AVR RISC | — | — | — | — | — | — |
| Clock Frequency-Max | — | — | — | 20 MHz | — | — | — | — | — | — |
| DAC Channels | — | — | — | NO | — | — | — | — | — | — |
| DMA Channels | — | — | — | NO | — | — | — | — | — | — |
| Format | — | — | — | FIXED POINT | — | — | — | — | — | — |
| Integrated Cache | — | — | — | NO | — | — | — | — | — | — |
| Low Power Mode | — | — | — | YES | — | — | — | — | — | — |
| Number of External Interrupts | — | — | — | 2 | — | — | — | — | — | — |
| Number of I/O Lines | — | — | — | 23 | — | — | — | — | — | — |
| Number of Serial I/Os | — | — | — | 1 | — | — | — | — | — | — |
| Number of Timers | — | — | — | 3 | — | — | — | — | — | — |
| On Chip Data RAM Width | — | — | — | 8 | — | — | — | — | — | — |
| On Chip Program ROM Width | — | — | — | 16 | — | — | — | — | — | — |
| PWM Channels | — | — | — | YES | — | — | — | — | — | — |
| RAM (bytes) | — | — | — | 2048 | — | — | — | — | — | — |
| RAM (words) | — | — | — | 2048 | — | — | — | — | — | — |
| ROM (words) | — | — | — | 16384 | — | — | — | — | — | — |
| ROM Programmability | — | — | — | FLASH | — | — | — | — | — | — |
| Speed | — | — | — | 20 MHz | — | — | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | MICROCONTROLLER, RISC | — | — | — | — | — | — |
| ## ATMEGA328-AU Alternates Showing results | — | — | — | Image | — | — | — | — | — | — |
| Adjustable Threshold | — | — | — | — | NO | — | — | — | — | — |
| Analog IC - Other Type | — | — | — | — | ANALOG CIRCUIT | — | — | — | — | — |
| Input Voltage-Max | — | — | — | — | 5.5 V | — | — | — | — | — |
| Input Voltage-Min | — | — | — | — | 1.5 V | — | — | — | — | — |
| Number of Channels | — | — | — | — | 1 | — | — | — | — | — |
| ## LM66100DCKR Alternates Showing results | — | — | — | — | Image | — | — | — | — | — |
| Reverse Pinout | — | — | — | — | — | NO | NO | NO | NO | NO |
| Reach Compliance Code | — | — | — | — | — | — | — | — | Compliant | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
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FAQ
What is equivalent to 24LC256-E/SN?
Known equivalents for 24LC256-E/SN include TRS232ECDR, 74437356022, ATMEGA328-AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 24LC256-E/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 24LC256-E/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.