Key facts
- Brand
- Atmel
- Model
- AT24C1024B
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-04-12
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Atmel AT24C1024B EEPROM Datasheet
The AT24C1024B is a 1‑Mbit (131,072 × 8) serial EEPROM offering low‑voltage operation (1.8 V or 2.5 V versions) and a two‑wire I²C interface. It is available in multiple 8‑lead packages and supports up to four devices on a common bus.
The document provides detailed pin configurations, absolute maximum ratings, memory organization, electrical characteristics, timing diagrams, and revision history, along with Atmel contact information for technical support.
Atmel AT24C1024B specifications
| Package options | 84‑lead PDIP, 8‑lead JEDEC SOIC, 8‑lead EIAJ SOIC, 8‑lead TSSOP, 8‑lead Ultra Thin SAP, 8‑ball dBGA2 |
|---|---|
| Operating voltage | 1.8 V to 3.6 V (low‑voltage) or 2.5 V to 5.5 V (mid‑voltage) |
| Maximum clock frequency | 400 kHz at 1.8 V, 1 MHz at 5 V |
| Write cycle time | 5 ms typical |
| Endurance | 1,000,000 write cycles per page |
| Data retention | 40 years |
| Input capacitance (SDA) | 8 pF |
Source: Atmel AT24C1024B Two-wire Serial EEPROM Preliminary Manual
All Atmel AT24C1024B documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum clock frequency for the AT24C1024B at 5 V?
The device supports up to 1 MHz clock frequency when operated at 5 V.
From: Atmel AT24C1024B Two-wire Serial EEPROM Preliminary Manual
How many AT24C1024B devices can share the same two‑wire bus?
Up to four devices can be cascaded on a common two‑wire bus using the A1/A2 address pins.
From: Atmel AT24C1024B Two-wire Serial EEPROM Preliminary Manual
How many memory pages does the AT24C1024B contain?
It contains 512 pages, each 256 bytes in size.