AT24C256C-SSHL-B Atmel, AT24C256C-SSHL-B Datasheet - Page 7

• Manufacturer Part Number: AT24C256C-SSHL-B
• Description: IC EEPROM 256KBIT IND 8SOIC
• Manufacturer: Atmel

Specifications of AT24C256C-SSHL-B

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 400kHz, 1MHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8568C–SEEPR–5/10
SOFTWARE RESET: After an interruption in protocol, power loss or system reset, any 2-wire part can be protocol
reset by following these steps:
a)
b)
c)
The device is ready for next communication after above steps has been completed.
Figure 4-3.
SDA
Figure 4-4.
SDA OUT
SCL
SDA IN
Create a start bit condition,
Clock nine cycles,
Create another start bit followed by stop bit condition as shown below.
SCL
Start bit
Software Reset
Bus Timing
t
SU.STA
1
2
t
HD.STA
t
t
F
LOW
t
AA
Dummy Clock Cycles
3
t
HIGH
t
HD.DAT
t
LOW
8
t
t
SU.DAT
DH
9
Start bit
Atmel AT24C256C
t
R
Stop bit
t
SU.STO
t
BUF
7