AT24C256C-XHL-BAlternatives & Equivalent Parts
About AT24C256C-XHL-B
AT24C256C-XHL-B 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.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for AT24C256C-XHL-B — response within 24 hours.
Specification Comparison
| Parameter | AT24C256C-XHL-BSource | AT24C256C-MAHL-T | AT91SAM7S256D-AU-999 | AT91SAM7X512-AU | MCP23S08T-E/SS |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline No-lead | Quad Flat Packages | Quad Flat Packages | Small Outline Packages |
| Pin Count | 8 | 8 | 64 | 100 | 20 |
| 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 | — |
| Price | $0.4250 | $0.4140 | $8.8100 | $14.2230 | $1.1105 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | — | Yes |
| Manufacturer Package Code | TSSOP-8 | UDFN-8 | LQFP-64 | — | SSOP-20 |
| Factory Lead Time | 9 Weeks | 9 Weeks | 1 Week | — | 6 Weeks |
| YTEOL | 14 | 14 | 14 | 0 | 9 |
| Clock Frequency-Max (fCLK) | 1 MHz | 1 MHz | — | — | — |
| Data Retention Time-Min | 40 | 100 | — | — | — |
| Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | — | — | — |
| I2C Control Byte | 1010DDDR | 1010DDDR | — | — | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-N8 | S-PQFP-G64 | S-PQFP-G100 | — |
| JESD-609 Code | e4 | e4 | e3 | — | — |
| Memory Density | 262144 bit | 262144 bit | — | — | — |
| Memory IC Type | EEPROM | EEPROM | — | — | — |
| Memory Width | 8 | 8 | — | — | — |
| Number of Functions | 1 | 1 | — | — | — |
| Number of Ports | 1 | 1 | — | — | — |
| Number of Words | 32768 words | 32768 words | — | — | — |
| Number of Words Code | 32000 | 32000 | — | — | — |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS | — | — | — |
| Organization | 32KX8 | 32KX8 | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | TSSOP8,.25 | SOLCC8,.12,20 | QFP64,.47SQ,20 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | — |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, VERY THIN PROFILE | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | — |
| Parallel/Serial | SERIAL | SERIAL | — | — | — |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | — |
| Programming Voltage | 2.5 V | 3 V | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified |
| Serial Bus Type | I2C | I2C | — | — | — |
| Standby Current-Max | 0.000006 A | 0.000006 A | — | — | — |
| Supply Current-Max | 0.003 mA | 0.003 mA | — | — | — |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | 1.7 V | 2.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | 2.5 V | 3 V | — | — | — |
| Surface Mount | YES | YES | YES | YES | — |
| Technology | CMOS | CMOS | CMOS | CMOS | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | — | — |
| Terminal Form | GULL WING | NO LEAD | GULL WING | GULL WING | — |
| Terminal Pitch | 0.65 mm | 0.5 mm | 0.5 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | QUAD | QUAD | — |
| Time@Peak Reflow Temperature-Max (s) | 40 | — | 30 | 30 | — |
| Write Cycle Time-Max (tWC) | 5 ms | 5 ms | — | — | — |
| Write Protection | HARDWARE/SOFTWARE | HARDWARE | — | — | — |
| ## AT24C256C-XHL-B Alternates Showing results | Image | — | — | — | — |
| Additional Feature | — | ALSO OPERATES 1.7V TO 5.5V @0.4MHZ | — | — | — |
| Output Characteristics | — | OPEN-DRAIN | — | — | — |
| Screening Level | — | TS 16949 | — | — | — |
| ## AT24C256C-MAHL-T Alternates Showing results | — | Image | — | — | — |
| Has ADC | — | — | YES | YES | — |
| Bit Size | — | — | 32 | 32 | — |
| Boundary Scan | — | — | YES | YES | — |
| CPU Family | — | — | ARM7TDMI | — | — |
| Clock Frequency-Max | — | — | 20 MHz | 50 MHz | — |
| DAC Channels | — | — | NO | NO | — |
| DMA Channels | — | — | YES | YES | — |
| Format | — | — | FIXED POINT | — | — |
| Integrated Cache | — | — | NO | — | — |
| Low Power Mode | — | — | NO | — | — |
| Number of External Interrupts | — | — | 2 | — | — |
| Number of I/O Lines | — | — | 32 | 60 | — |
| Number of Serial I/Os | — | — | 2 | — | — |
| Number of Timers | — | — | 3 | — | — |
| On Chip Data RAM Width | — | — | 8 | — | — |
| On Chip Program ROM Width | — | — | 8 | 8 | — |
| PWM Channels | — | — | YES | YES | — |
| RAM (bytes) | — | — | 65536 | 131072 | — |
| ROM (words) | — | — | 262144 | 524288 | — |
| ROM Programmability | — | — | FLASH | FLASH | — |
| Speed | — | — | 55 MHz | 55 MHz | — |
| Supply Voltage-Max | — | — | 1.95 V | 1.95 V | — |
| Supply Voltage-Min | — | — | 1.8 V | 1.8 V | — |
| Supply Voltage-Nom | — | — | 1.8 V | 1.8 V | — |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | PARALLEL IO PORT, GENERAL PURPOSE |
| ## AT91SAM7S256D-AU-999 Alternates Showing results | — | — | Image | — | — |
| ## MCP23S08T-E/SS Alternates Showing results | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for AT24C256C-XHL-B — response within 24 hours.
Quick Links
suggested
suggested
suggested
suggested
Why Look for Alternatives?
Finding alternatives for AT24C256C-XHL-B 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 AT24C256C-XHL-B 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for AT24C256C-XHL-B. Get expert recommendations within 24 hours.
FAQ
What is equivalent to AT24C256C-XHL-B?
Known equivalents for AT24C256C-XHL-B include AT24C256C-MAHL-T, AT91SAM7S256D-AU-999, AT91SAM7X512-AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT24C256C-XHL-B?
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 AT24C256C-XHL-B 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.