256Kb I2C/2-Wire Serial EEPROM, organized as 32K x 8, featuring a 400kHz maximum frequency and 900ns access time. This non-volatile memory component operates from 1.7V to 5.5V supply voltage, with a maximum programming voltage of 5.5V. Housed in a lead-free, tin-matte plated TSSOP package measuring 4.5mm width, 3.1mm length, and 1.05mm height, it supports surface mounting. Operating temperature ranges from -40°C to 85°C, with write protection capabilities and 5ms maximum write cycle time.
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Microchip 24AA256-I/ST technical specifications.
| Access Time | 900ns |
| Access Time-Max | 900ns |
| Package/Case | TSSOP |
| Contact Plating | Tin, Matte |
| Density | 256Kb |
| Frequency | 400kHz |
| Height | 1.05mm |
| Interface | I2C, Serial |
| Lead Free | Lead Free |
| Length | 3.1mm |
| Max Frequency | 400kHz |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Memory Size | 256Kb |
| Memory Type | Non-Volatile, , EEPROM |
| Min Operating Temperature | -40°C |
| Min Supply Voltage | 1.7V |
| Mount | Surface Mount |
| Number of Words | 32 |
| Organization | 32KX8 |
| Package Quantity | 100 |
| Packaging | Rail/Tube |
| Programming Voltage | 5.5V |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Supply Current | 3mA |
| Supply Voltage-Nom | 5.5V |
| Width | 4.5mm |
| Write Cycle Time-Max (tWC) | 5ms |
| Write Protection | YES |
| RoHS | Compliant |
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