24LC21/SN Microchip Technology, 24LC21/SN Datasheet - Page 12

• Manufacturer Part Number: 24LC21/SN
• Description: IC EEPROM 1KBIT 400KHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 24LC21/SN

• Memory Size: 1K (128 x 8)
• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Speed: 100kHz, 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Memory Configuration: 128 X 8
• Ic Interface Type: I2C
• Clock Frequency: 400kHz
• Supply Voltage Range: 2.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24LC21
FIGURE 7-2:
FIGURE 7-3:
DS21095J-page 12
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
BUS ACTIVITY
MASTER
SDA LINE
BUS ACTIVITY
RANDOM READ
SEQUENTIAL READ
Control
Byte
S
T
A
R
T
S
A
C
K
Control
Byte
Data (n)
A
C
K
A
C
K
Address
Data (n + 1)
Word
A
C
K
S
S
T
A
R
T
A
C
K
Data (n + 2)
Control
Byte
A
C
K
A
C
K
 2004 Microchip Technology Inc.
Data (n)
Data (n + X)
N
O
A
C
K
S
T
O
P
P
N
O
C
A
K
S
T
O
P
P