ST24FC21 STMICROELECTRONICS [STMicroelectronics], ST24FC21 Datasheet - Page 18

• Manufacturer Part Number: ST24FC21
• Description: 1 Kbit x8 Dual Mode Serial EEPROM for VESA PLUG & PLAY
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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