ST24FC21M6TR STMicroelectronics, ST24FC21M6TR Datasheet - Page 18

• Manufacturer Part Number: ST24FC21M6TR
• Description: EEPROM Serial-I2C 1K-Bit 128 x 8 3.3V/5V 8-Pin SO N T/R
• Manufacturer: STMicroelectronics

Specifications of ST24FC21M6TR

• Package: 8SO N
• Interface Type: Serial-I2C
• Density: 1 Kb
• Maximum Operating Frequency: 0.1|0.4 MHz
• Maximum Random Access Time: 3500|900 ns
• Typical Operating Supply Voltage: 3.3|5 V
• Organization: 128x8
• Data Retention: 40 Year
• Hardware Data Protection: Yes
• Operating Temperature: -40 to 85 °C

ST24LC21B, ST24LW21, ST24FC21, ST24FC21B, ST24FW21
Figure 14. Read Modes Sequence
Note: * The 7 Most Significant bits of DEV SEL bytes of a Random Read (1st byte and 3rd byte) must be identical.
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CURRENT
ADDRESS
READ
RANDOM
ADDRESS
READ
SEQUENTIAL
CURRENT
READ
SEQUENTIAL
RANDOM
READ
ACK
DEV SEL *
DEV SEL *
DEV SEL
DEV SEL
DATA OUT N
R/W
R/W
R/W
R/W
ACK
ACK
ACK
ACK
NO ACK
DATA OUT 1
BYTE ADDR
BYTE ADDR
DATA OUT
NO ACK
ACK
ACK
ACK
DEV SEL *
DEV SEL *
R/W
R/W
ACK
ACK
ACK
DATA OUT N
DATA OUT 1
DATA OUT
NO ACK
NO ACK
AI00794C
ACK