Catalog
256Kb I2C compatible 2-wire Serial EEPROM
| Part | Access Time | Memory Interface | Package / Case | Memory Size | Write Cycle Time - Word, Page | Memory Format | Voltage - Supply [Max] | Voltage - Supply [Min] | Technology | Memory Organization | Memory Type | Operating Temperature [Max] | Operating Temperature [Min] | Mounting Type | Supplier Device Package | Clock Frequency | Package / Case [y] | Package / Case [x] | Package / Case [custom] | Package / Case [custom] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Microchip Technology | 900 ns | I2C | 8-WFDFN Exposed Pad | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 85 °C | -40 °C | Surface Mount | 8-TDFN (2x3) | 400 kHz | ||||
Microchip Technology | 900 ns | I2C | 8-VDFN Exposed Pad | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 125 °C | -40 °C | Surface Mount | 8-DFN-S (6x5) | 400 kHz | ||||
Microchip Technology | 900 ns | I2C | 8-SOIC | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 125 °C | -40 °C | Surface Mount | 8-SOIC | 400 kHz | 3.9 mm | 0.154 in | ||
Microchip Technology | 900 ns | I2C | 8-TSSOP | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 85 °C | -40 °C | Surface Mount | 8-TSSOP | 400 kHz | 0.173 " | 4.4 mm | ||
Microchip Technology | 900 ns | I2C | 8-TSSOP | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 125 °C | -40 °C | Surface Mount | 8-TSSOP | 400 kHz | 0.173 " | 4.4 mm | ||
Microchip Technology | 900 ns | I2C | 8-VDFN Exposed Pad | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 85 °C | -40 °C | Surface Mount | 8-DFN-S (6x5) | 400 kHz | ||||
Microchip Technology | 900 ns | I2C | 8-SOIC | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 85 °C | -40 °C | Surface Mount | 8-SOIC | 400 kHz | 3.9 mm | 0.154 in | ||
Microchip Technology | 900 ns | I2C | 8-SOIC | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 125 °C | -40 °C | Surface Mount | 8-SOIC | 400 kHz | 3.9 mm | 0.154 in | ||
Microchip Technology | 900 ns | I2C | 8-TSSOP | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 85 °C | -40 °C | Surface Mount | 8-TSSOP | 400 kHz | 0.173 " | 4.4 mm | ||
Microchip Technology | 900 ns | I2C | 8-UFBGA CSPBGA | 32 KB | 5 ms | EEPROM | 5.5 V | 1.7 V | EEPROM | 32K x 8 | Non-Volatile | 85 °C | -40 °C | Surface Mount | 8-CSP | 400 kHz |
Key Features
• * 32K x 8 (256Kbit)
• * 64-Byte Page Write Buffer
• * Page Write Time 5 ms Max.
• * Hardware Write-Protect Pin
• * Factory Programming Available
• * Operating voltage 1.7V to 5.5V
• * Read current 400 uA, max.
• * Standby current 1 uA, max.
• * Cascadable up to Eight Devices
• * 100 kHz and 400 kHz Clock Compatible
• * Pb-Free and RoHS Compliant
Description
AI
The Microchip Technology Inc. 24AA256 is a 256Kb (32K x 8) Serial Electrically Erasable PROM (EEPROM), capable of operation across a broad voltage range (1.7V to 5.5V). It has been developed for advanced, low-power applications such as personal communications or data acquisition. This device also has a page write capability of up to 64 bytes of data. This device is capable of both random and sequential reads up to the 256K boundary. Functional address lines allow up to eight devices on the same bus, for up to 2 Mbit address space.