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protection. The Write Protect pin allows normal read/write operations when connected to ground (GND).
When the Write Protect pin is connected to Vcc, the write protection feature is enabled and operates as
shown in table 13.
WP Pin
Part of the Array Protected
Status
24C01A
At Vcc
Full (1K)
Array
At GND
Normal Read/Write Operations
5) Memory Organization
AT24C01A, 1K SERIAL EEPROM: Internally organized with 16 pages of 8 bytes each, the 1K requires
a 7-bit data word address for random word addressing.
AT24C02, 2K SERIAL EEPROM: Internally organized with 32 pages of 8 bytes each, the 2K requires
an 8-bit data word address for random word addressing.
AT24C04, 4K SERIAL EEPROM: Internally organized with 32 pages of 16 bytes each, the 4K requires
a 9-bit data word address for random word addressing.
AT24C08, 8K SERIAL EEPROM: Internally organized with 64 pages of 16 bytes each, the 8K requires
a 10-bit data word address for random word addressing.
AT24C16, 16K SERIAL EEPROM: Internally organized with 128 pages of 16 bytes each, the 16K
requires an 11-bit data word address for random word addressing.
6) Block Diagram
SERVICE MANUAL
Table 13
24C02
24C04
Full (2K)
Full (4K)
Array
Array
Fig.26
53
24C08
24C16
Normal
Upper
Read/
Half
Write
(8K)
Operation
Array
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