AT24HC02B-TP25-B ATMEL [ATMEL Corporation], AT24HC02B-TP25-B Datasheet - Page 3

• Manufacturer Part Number: AT24HC02B-TP25-B
• Description: Two-wire Automotive Temperature Serial EEPROM
• Manufacturer: ATMEL [ATMEL Corporation]

5192C–SEEPR–01/09
The AT24HC04B uses the A2 and A1 inputs for hardware addressing, and a total of four 4K
devices may be addressed on a single bus system. The A0 pin is a no-connect.
WRITE PROTECT (WP): The AT24HC02B/04B have a Write Protect pin that provides hardware
data protection. The Write Protect pin allows normal read/write operations when connected to
ground (GND). When the Write Protect pin is connected to V
enabled and operates as shown in the following table.
Table 3-1.
WP Pin
Status
At V
At GND
CC
Normal Read/Write Operations
Write Protect
Part of the Array Protected
Upper Half (1K/2K) Array
AT24HC02B/04B
CC
AT24HC02B/04B
, the write protection feature is
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