24LC21AT/SN Microchip Technology, 24LC21AT/SN Datasheet - Page 10

• Manufacturer Part Number: 24LC21AT/SN
• Description: IC EEPROM 1KBIT 400KHZ 8SOIC
• Manufacturer: Microchip Technology

Specifications of 24LC21AT/SN

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 1K (128 x 8)
• 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)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24LC21A
FIGURE 4-1:
FIGURE 4-2:
FIGURE 4-3:
DS21160G-page 10
Bus Activity
Master
SDA Line
Bus Activity
VCLK
SDA
SCL
VCLK
IN
S
A
R
T
T
S
Bus Activity
Master
SDA Line
Bus Activity
VCLK
BYTE WRITE
VCLK WRITE ENABLE TIMING
PAGE WRITE
Control
Byte
T
VHST
S
T
A
R
T
S
A
C
K
Address
Control
Word
T
Byte
HD
:
STA
A
C
K
A
C
K
Data (n)
Address
Word
T
HD
:
STO
A
C
K
A
C
K
Data n + 1
Data
© 2008 Microchip Technology Inc.
T
SPVL
A
C
K
Data n + 7
A
C
K
O
S
T
P
P
C
A
K
O
S
T
P
P