AT24C512B-10PU-1.8 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT24C512B-10PU-1.8

Two-wire Serial EEPROM 512K (65,536 x 8)

Atmel Corporation 

STANDBY MODE: The AT24C512B features a low power standby mode which is

enabled: a) upon power-up and b) after the receipt of the STOP bit and the completion

of any internal operations.

MEMORY RESET: After an interruption in protocol, power loss or system reset, any two-

wire part can be reset by following these steps:

(a) Clock up to 9 cycles, (b) look for SDA high in each cycle while SCL is high and then

(c) create a start condition as SDA is high.

Figure 2. Bus Timing (SCL: Serial Clock, SDA: Serial Data I/O)

Figure 3. Write Cycle Timing (SCL: Serial Clock, SDA: Serial Data I/O)

SCL

SDA

8th BIT

WORDn

ACK

STOP

CONDITION

twr(1)

START

CONDITION

Note: 1. The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write cycle.

6 AT24C512B [Preliminary]

5112A–SEEPR–8/05

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