Aproveitando a ressurreição,
O "2GB" é só marcação veja na página 14 de
http://www.advanide.com/wp-content/uplo ... 24CM01.pdfThe Atmel® AT24CM01 provides 1,048,576 bits of Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) organized as 131,072 words of 8 bits each. AT24CM01 Truncation Code ###: 2GEmbora não sejam exatamente os 24C1024, AT24C1024(BN-SH25-T), creio que são equivalentes.
Edit:
Olhando o AT24C1024: The 1024K uses the one device address bit, A1, to allow up to two devices on the same bus e o AT24CM01: The 1-Mbit uses the two device address bits, A2 and A1, to allow up to four devices on the same bus.
Ou seja, num olhada rápida, o item ofertado é superior ao nome (PN) utilizado nos anúncios.
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