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AT24C256B Datasheet(PDF) 7 Page - ATMEL Corporation

Part # AT24C256B
Description  Two-wire Serial EEPROM 256K (32,768 x 8)
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT24C256B Datasheet(HTML) 7 Page - ATMEL Corporation

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AT24C256B
5080A–SEEPR–9/04
MEMORY RESET: After an interruption in protocol, power loss or system reset, any two-wire
part can be reset by following these steps:
1.
Clock up to 9 cycles;
2.
Look for SDA high in each cycle while SCL is high;
3.
Create a start condition as SDA is high.
Figure 4. Bus Timing
Figure 5. Write Cycle Timing
Note:
1. The write cycle time t
WR is the time from a valid stop condition of a write sequence to the end
of the internal clear/write cycle.
twr
(1)
STOP
CONDITION
START
CONDITION
WORDn
ACK
8th BIT
SCL
SDA


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