24LC256-I/ST Microchip Technology, 24LC256-I/ST Datasheet - Page 7

• Manufacturer Part Number: 24LC256-I/ST
• Description: IC EEPROM 256KBIT 400KHZ 8TSSOP
• Manufacturer: Microchip Technology

Specifications of 24LC256-I/ST

• Memory Size: 256K (32K x 8)
• Package / Case: 8-TSSOP
• Operating Temperature: -40°C ~ 85°C
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Organization: 32 K x 8
• Interface Type: I2C
• Maximum Clock Frequency: 0.4 MHz
• Access Time: 900 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Maximum Operating Current: 3 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 24LC256I/ST

FIGURE 4-1:
FIGURE 4-2:
 2010 Microchip Technology Inc.
SCL
SDA
SCL
SDA
(A)
Condition
Start
(B)
Transmitter must release the SDA line at this point,
allowing the Receiver to pull the SDA line low to
acknowledge the previous eight bits of data.
1
DATA TRANSFER SEQUENCE ON THE SERIAL BUS
ACKNOWLEDGE TIMING
2
Data from transmitte
3
4
Acknowledge
Address or
Valid
(D)
24AA256/24LC256/24FC256
5
r
6
to Change
Allowed
Data
7
Acknowledge
8
Bit
9
(D)
1
Data from transmitte
Receiver must release the SDA line
at this point so the Transmitter can
continue sending data.
2
3
r
DS21203Q-page 7
Condition
Stop
(C)
(A)