Microchip Technology AT24C256C-MAHL-T Microcontrollers
IC EEPROM 256KBIT I2C 1MHZ 8UDFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AT24C256C-MAHL-T
Base Model
Detailed Description
IC EEPROM 256KBIT I2C 1MHZ 8UDFN
Package
8-UFDFN Exposed Pad
Lifecycle Status
Active
Datasheet
AT24C256C-MAHL-T Datasheet
Quick Jump:
Technical Specifications
Microchip Technology AT24C256C-MAHL-T Microcontrollers technical specifications.
General
Interface
Serial-I2C
Memory Size
256Kb (32K x 8)
RoHS
Compliant
Number of Pins
8
Package / Case
8-UFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.7V ~ 5.5V
Lifecycle Status
Active
Technology
EEPROM
Related Parts Comparison (AT24C256C-MAHL-T vs AT24C08BN-SH-B vs AT24C32E-STUM-T vs AT24C02D-SSHM-T)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | 8-UFDFN Exposed Pad | 8-SOIC | SOT-23-5 Thin, TSOT-23-5 | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Supply Voltage | 1.7V ~ 5.5V | 1.8V ~ 5.5V | 1.7V ~ 3.6V | 1.7V ~ 3.6V |
| Memory Size | 256Kb (32K x 8) | 8Kb (1K x 8) | 32Kb (4K x 8) | 256 B |
| RoHS | Compliant | ROHS3 Compliant | Compliant | Compliant |
| Lifecycle Status | Active | Obsolete | Active | Production |
| Access Time | 550 ns | 550 ns | 450 ns | 900 ns |
| Clock Frequency | 1 MHz | 1 MHz | 1 MHz | 1 MHz |
| Data Retention | 100(Min) | 100 Year | 100(Min) | 100(Min) |
| Max Frequency | 1 MHz | 1 MHz | 1 MHz | 400 kHz |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
CAT24C256HU4IGT3onsemiDirectonsemi
Pin YesPkg YesElec Yes
256Kb EEPROM, I2C, 1MHz, UDFN8, 1.8-5.5V
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
AT24C02D-SSHM-TMicrochip TechnologyEEPROM Serial-2Wire 2K-bit 256 x 8 1.8V/2.5V/3.3V 8-Pin SOIC T/R - Tape and Reel
AT24C256C-SSHL-TMicrochip TechnologyEEPROM Serial-2Wire 256K-bit 32K x 8 1.8V/2.5V/3.3V/5V Automotive 8-Pin SOIC N T/R
AT24C02C-SSHM-TMicrochip TechnologyEEPROM Serial-I2C 2K-bit 256 x 8 1.8V/2.5V/3.3V/5V 8-Pin SOIC N T/R Automotive AEC-Q100
