Key facts
- Brand
- MICROCHIP
- Model
- 24AA256
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-06-08
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Microchip 24AA256/24LC256/24FC256 256K Bit Serial EEPROM Datasheet
This document is a preliminary datasheet for the Microchip 24AA256, 24LC256, and 24FC256 devices, which are 256K bit (32K x 8) CMOS serial EEPROMs. The devices are designed for low-power applications such as personal communications and data acquisition, supporting a broad voltage range from 1.8V to 5.5V.
Read onlineMICROCHIP 24AA256 specifications
| Memory Capacity | 256K Bit (32K x 8) |
|---|---|
| Maximum Write Current | 3 mA at 5.5V |
| Maximum Read Current | 400 pA at 5.5V |
| Standby Current | 100 nA typical at 5.5V |
| Endurance | 100,000 erase/write cycles |
| Data Retention | > 200 years |
| ESD Protection | > 4000V |
| Clock Frequency (Industrial) | 400 kHz (2.5V < Vcc < 5.5V) |
| Write Cycle Time | 5 ms max |
Source: Microchip 24AA256/24LC256/24FC256 256K Bit Serial EEPROM Datasheet
All MICROCHIP 24AA256 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the voltage range for the 24LC256 and 24FC256?
The 24LC256 and 24FC256 operate with a supply voltage range of 2.5V to 5.5V.
From: Microchip 24AA256/24LC256/24FC256 256K Bit Serial EEPROM Datasheet
How many devices can be cascaded on the same bus?
Up to eight devices can be cascaded on the same bus using different chip select bit combinations.
From: Microchip 24AA256/24LC256/24FC256 256K Bit Serial EEPROM Datasheet
What is the maximum clock frequency for the 24AA256 device?
The 24AA256 supports a maximum clock frequency of 400 kHz.
From: MICROCHIP 24AA256/24LC256/24FC256256KI C CMOS Serial EEPROM handbook
How many devices can be connected on the same bus?
Up to eight devices can be cascaded on the bus (two for the MSOP package).
From: MICROCHIP 24AA256/24LC256/24FC256256KI C CMOS Serial EEPROM handbook
What is the operating voltage range for the 24AA256?
The 24AA256 operates from 1.8 V to 5.5 V.
How many devices can be cascaded on the same I²C bus?
Up to eight devices can be cascaded on the bus.