24LC21A-I/SN Microchip Technology, 24LC21A-I/SN Datasheet - Page 13

• Manufacturer Part Number: 24LC21A-I/SN
• Description: IC EEPROM 1KBIT 400KHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 24LC21A-I/SN

• Memory Size: 1K (128 x 8)
• Package / Case: 8-SOIC (3.9mm Width)
• 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: -40°C ~ 85°C
• Organization: 128 K x 8
• Interface Type: I2C
• Maximum Clock Frequency: 0.4 MHz
• Access Time: 10 ms
• 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

FIGURE 7-2:
FIGURE 7-3:
 2003 Microchip Technology Inc.
BUS ACTIVITY
BUS ACTIVITY
SDA LINE
BUS ACTIVITY
BUS ACTIVITY
MASTER
SDA LINE
MASTER
CONTROL
BYTE
A
C
K
RANDOM READ
SEQUENTIAL READ
S
T
A
R
T
S
1 0 1 0 0 0 0 0
DATA n
CONTROL
BYTE
C
A
K
A
C
K
DATA n+1
ADDRESS
WORD
A
C
K
A
C
K
S
T
A
R
T
S
DATA n+2
1
0
CONTROL
1
BYTE
0
0
0
A
C
K
0
1
A
C
K
24LC21A
DATA n
DATA n+X
DS21160F-page 13
O
N
A
C
K
S
T
O
P
P
N
O
C
A
K
S
T
O
P
P